diff --git a/projects/ucap-webmessenger-protocol-file/src/lib/models/down-check.ts b/projects/ucap-webmessenger-protocol-file/src/lib/models/down-check.ts
new file mode 100644
index 00000000..30aa938a
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-file/src/lib/models/down-check.ts
@@ -0,0 +1,37 @@
+import { LocaleCode } from '@ucap-webmessenger/core';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface DownCheckRequest extends ProtocolRequest {
+  // 파일SEQ
+  seq: number;
+}
+
+export interface DownCheckResponse extends ProtocolResponse {
+  // 파일SEQ
+  seq: number;
+}
+
+export const encodeDownCheck: ProtocolEncoder<DownCheckRequest> = (
+  req: DownCheckRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.Integer, value: req.seq });
+  return bodyList;
+};
+
+export const decodeDownCheck: ProtocolDecoder<DownCheckResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    seq: message.bodyList[0]
+  } as DownCheckResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-file/src/lib/models/info.ts b/projects/ucap-webmessenger-protocol-file/src/lib/models/info.ts
new file mode 100644
index 00000000..0923ec9d
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-file/src/lib/models/info.ts
@@ -0,0 +1,144 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage,
+  BodyStringDivider,
+  ProtocolStream
+} from '@ucap-webmessenger/protocol';
+import { FileType } from '../types/file.type';
+
+export interface InfoRequest extends ProtocolRequest {
+  // 대화방SEQ(s)
+  roomSeq: string;
+  // { 파일타입 } cf) I : 이미지 V: 동영상 F: 파일 "" 빈값이면 모든 타입을 내려줌
+  type: FileType;
+}
+
+export interface FileInfo {
+  // 대화방SEQ
+  roomSeq: string;
+  // 이벤트SEQ
+  eventSeq: number;
+  // 파일SEQ
+  seq: number;
+  // 송신자SEQ
+  senderSeq: number;
+  // 파일타입
+  type: FileType;
+  // 파일이름
+  name: string;
+  // 파일URL
+  url: string;
+  // 파일크기(byte)
+  size: number;
+  // 전송일시
+  sendDate: string;
+  // 수신완료자수
+  receivedUserCount: number;
+  // 수신자수
+  receiverCount: number;
+}
+
+export interface InfoData extends ProtocolStream {
+  // { 대화방파일정보 }...
+  fileInfos: FileInfo[];
+}
+
+export interface FileDownloadInfo {
+  // 대화방SEQ
+  roomSeq: string;
+  // 파일SEQ
+  seq: number;
+  // 사용자SEQ
+  userSeq: number;
+  // 사용자명
+  userName: string;
+  // 다운로드일시
+  downloadDate: string;
+  // DownYN
+  isDownload: boolean;
+}
+
+export interface InfoCheckData extends ProtocolStream {
+  // { 파일다운로드정보 }...
+  fileDownloadInfos: FileDownloadInfo[];
+}
+
+export interface InfoResponse extends ProtocolResponse {
+  // 대화방SEQ(s)
+  roomSeq: string;
+  // { 파일타입 } cf) I : 이미지 V: 동영상 F: 파일 "" 빈값이면 모든 타입을 내려줌
+  type: FileType;
+}
+
+export const encodeInfo: ProtocolEncoder<InfoRequest> = (req: InfoRequest) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.String, value: req.roomSeq },
+    { type: PacketBodyValue.String, value: req.type }
+  );
+  return bodyList;
+};
+
+export const decodeInfoData: ProtocolDecoder<InfoData> = (
+  message: ProtocolMessage
+) => {
+  const fileInfos: FileInfo[] = [];
+  message.bodyList.forEach(fileInfo => {
+    const info = fileInfo.split(BodyStringDivider);
+    let i = 0;
+    fileInfos.push({
+      roomSeq: info[i],
+      eventSeq: Number(info[i++]),
+      seq: Number(info[i++]),
+      senderSeq: Number(info[i++]),
+      type: info[i++] as FileType,
+      name: info[i++],
+      url: info[i++],
+      size: info[i++],
+      sendDate: info[i++],
+      receivedUserCount: Number(info[i++]),
+      receiverCount: Number(info[i++])
+    });
+  });
+
+  return {
+    fileInfos
+  } as InfoData;
+};
+
+export const decodeInfoCheckData: ProtocolDecoder<InfoCheckData> = (
+  message: ProtocolMessage
+) => {
+  const fileDownloadInfos: FileDownloadInfo[] = [];
+  message.bodyList.forEach(fileInfo => {
+    const info = fileInfo.split(BodyStringDivider);
+    let i = 0;
+    fileDownloadInfos.push({
+      roomSeq: info[i],
+      seq: Number(info[i++]),
+      userSeq: Number(info[i++]),
+      userName: info[i++],
+      downloadDate: info[i++],
+      isDownload: info[i++] === 'Y' ? true : false
+    });
+  });
+
+  return {
+    fileDownloadInfos
+  } as InfoCheckData;
+};
+
+export const decodeInfo: ProtocolDecoder<InfoResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    roomSeq: message.bodyList[0],
+    type: message.bodyList[1] as FileType
+  } as InfoResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-file/src/lib/services/file-protocol.service.ts b/projects/ucap-webmessenger-protocol-file/src/lib/services/file-protocol.service.ts
index 88b90029..a0c277eb 100644
--- a/projects/ucap-webmessenger-protocol-file/src/lib/services/file-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-file/src/lib/services/file-protocol.service.ts
@@ -1,8 +1,79 @@
 import { Injectable } from '@angular/core';
 
+import { Observable } from 'rxjs';
+import { map, takeWhile, take } from 'rxjs/operators';
+
+import { ProtocolService } from '@ucap-webmessenger/protocol';
+import {
+  SSVC_TYPE_FILE_INFO_REQ,
+  SVC_TYPE_FILE,
+  SSVC_TYPE_FILE_INFO_RES,
+  SSVC_TYPE_FILE_INFO_DATA,
+  SSVC_TYPE_FILE_INFO_CHECK_DATA,
+  SSVC_TYPE_FILE_DOWN_CHECK_REQ
+} from '../types/service';
+import {
+  InfoRequest,
+  InfoResponse,
+  encodeInfo,
+  decodeInfo,
+  InfoData,
+  InfoCheckData,
+  decodeInfoData,
+  decodeInfoCheckData
+} from '../models/info';
+import {
+  DownCheckRequest,
+  DownCheckResponse,
+  encodeDownCheck,
+  decodeDownCheck
+} from '../models/down-check';
 @Injectable({
   providedIn: 'root'
 })
 export class FileProtocolService {
-  constructor() {}
+  constructor(private protocolService: ProtocolService) {}
+
+  public info(
+    req: InfoRequest
+  ): Observable<InfoResponse | InfoData | InfoCheckData> {
+    return this.protocolService
+      .call(SVC_TYPE_FILE, SSVC_TYPE_FILE_INFO_REQ, ...encodeInfo(req))
+      .pipe(
+        takeWhile(res => SSVC_TYPE_FILE_INFO_RES !== res.subServiceType, true),
+        map(res => {
+          if (SSVC_TYPE_FILE_INFO_DATA === res.subServiceType) {
+            return {
+              ...decodeInfoData(res),
+              Type: SSVC_TYPE_FILE_INFO_DATA
+            };
+          } else if (SSVC_TYPE_FILE_INFO_CHECK_DATA === res.subServiceType) {
+            return {
+              ...decodeInfoCheckData(res),
+              Type: SSVC_TYPE_FILE_INFO_CHECK_DATA
+            };
+          }
+
+          return {
+            ...decodeInfo(res),
+            Type: SSVC_TYPE_FILE_INFO_RES
+          };
+        })
+      );
+  }
+
+  public downCheck(req: DownCheckRequest): Observable<DownCheckResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_FILE,
+        SSVC_TYPE_FILE_DOWN_CHECK_REQ,
+        ...encodeDownCheck(req)
+      )
+      .pipe(
+        take(1),
+        map(res => {
+          return decodeDownCheck(res);
+        })
+      );
+  }
 }
diff --git a/projects/ucap-webmessenger-protocol-file/src/lib/types/file.type.ts b/projects/ucap-webmessenger-protocol-file/src/lib/types/file.type.ts
new file mode 100644
index 00000000..9d244882
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-file/src/lib/types/file.type.ts
@@ -0,0 +1,10 @@
+export enum FileType {
+  // I : 이미지
+  Image = 'I',
+  // V : 동영상
+  Video = 'V',
+  // F : 파일
+  File = 'F',
+  // "" 빈값이면 모든 타입을 내려줌
+  All = ''
+}
diff --git a/projects/ucap-webmessenger-protocol-file/src/lib/types/service.ts b/projects/ucap-webmessenger-protocol-file/src/lib/types/service.ts
new file mode 100644
index 00000000..10afeb2e
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-file/src/lib/types/service.ts
@@ -0,0 +1,7 @@
+export const SVC_TYPE_FILE = 53; // File
+export const SSVC_TYPE_FILE_INFO_REQ = 1; // File 정보 전송 요청
+export const SSVC_TYPE_FILE_INFO_DATA = 2; // File 정보 Data
+export const SSVC_TYPE_FILE_INFO_CHECK_DATA = 3; // File 다운로드 체크 Data
+export const SSVC_TYPE_FILE_INFO_RES = 4; // File 정보 전송 응답
+export const SSVC_TYPE_FILE_DOWN_CHECK_REQ = 11; // File 다운로드 완료 요청
+export const SSVC_TYPE_FILE_DOWN_CHECK_RES = 12; // File 다운로드 완료 응답
diff --git a/projects/ucap-webmessenger-protocol-file/src/public-api.ts b/projects/ucap-webmessenger-protocol-file/src/public-api.ts
index 1b7dc0be..b8b41e1b 100644
--- a/projects/ucap-webmessenger-protocol-file/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-file/src/public-api.ts
@@ -2,6 +2,12 @@
  * Public API Surface of ucap-webmessenger-protocol-file
  */
 
+export * from './lib/models/down-check';
+export * from './lib/models/info';
+
 export * from './lib/services/file-protocol.service';
 
+export * from './lib/types/file.type';
+export * from './lib/types/service';
+
 export * from './lib/ucap-file-protocol.module';
diff --git a/projects/ucap-webmessenger-protocol-info/src/lib/models/status.ts b/projects/ucap-webmessenger-protocol-info/src/lib/models/status.ts
new file mode 100644
index 00000000..ab3c5364
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-info/src/lib/models/status.ts
@@ -0,0 +1,58 @@
+import { DeviceType, LocaleCode, StatusCode } from '@ucap-webmessenger/core';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage,
+  ProtocolNotification,
+  BodyStringDivider
+} from '@ucap-webmessenger/protocol';
+import { UserInfoUpdateType } from '../types/user-info-update.type';
+import { StatusInfo } from '@ucap-webmessenger/protocol-status';
+
+export interface StatusRequest extends ProtocolRequest {
+  // 사용자SEQ(n)...
+  userSeqs: number[];
+}
+
+export interface StatusResponse extends ProtocolResponse {
+  // {상태정보}...
+  statusInfos: StatusInfo[];
+}
+
+export const encodeStatus: ProtocolEncoder<StatusRequest> = (
+  req: StatusRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  req.userSeqs.forEach(userSeq => {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  });
+  return bodyList;
+};
+
+export const decodeStatus: ProtocolDecoder<StatusResponse> = (
+  message: ProtocolMessage
+) => {
+  const statusInfos: StatusInfo[] = [];
+  message.bodyList.forEach(statusInfo => {
+    const info = statusInfo.split(BodyStringDivider);
+    let idx = 0;
+    statusInfos.push({
+      userSeq: Number(info[idx]),
+      pcStatus: info[idx++] as StatusCode,
+      phoneStatus: info[idx++] as StatusCode,
+      mobileStatus: info[idx++] as StatusCode,
+      conferenceStatus: info[idx++] as StatusCode,
+      statusMessage: info[idx++],
+      mobileConferenceStatus: info[idx++] as StatusCode,
+      imessengerStatus: info[idx++] as StatusCode
+    });
+  });
+  return {
+    statusInfos
+  } as StatusResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-info/src/lib/models/user-option.ts b/projects/ucap-webmessenger-protocol-info/src/lib/models/user-option.ts
new file mode 100644
index 00000000..96f1d82e
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-info/src/lib/models/user-option.ts
@@ -0,0 +1,50 @@
+import { DeviceType, LocaleCode, CallerType } from '@ucap-webmessenger/core';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage,
+  ProtocolNotification
+} from '@ucap-webmessenger/protocol';
+import { UserInfoUpdateType } from '../types/user-info-update.type';
+
+export interface UserOptionResponse extends ProtocolResponse {
+  // 타입(s)
+  type: CallerType;
+}
+
+export const decodeUserOption: ProtocolDecoder<UserOptionResponse> = (
+  message: ProtocolMessage
+) => {
+  return { type: message.bodyList[0] as CallerType } as UserOptionResponse;
+};
+
+export interface UserOptionUpdateRequest extends ProtocolRequest {
+  // 타입(s)
+  type: CallerType;
+}
+
+export interface UserOptionUpdateResponse extends ProtocolResponse {
+  // 타입(s)
+  type: CallerType;
+}
+
+export const encodeUserOptionUpdate: ProtocolEncoder<
+  UserOptionUpdateRequest
+> = (req: UserOptionUpdateRequest) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.type });
+  return bodyList;
+};
+
+export const decodeUserOptionUpdate: ProtocolDecoder<
+  UserOptionUpdateResponse
+> = (message: ProtocolMessage) => {
+  return {
+    type: message.bodyList[0] as CallerType
+  } as UserOptionUpdateResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-info/src/lib/models/user.ts b/projects/ucap-webmessenger-protocol-info/src/lib/models/user.ts
new file mode 100644
index 00000000..ac6e9974
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-info/src/lib/models/user.ts
@@ -0,0 +1,62 @@
+import { DeviceType, LocaleCode } from '@ucap-webmessenger/core';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage,
+  ProtocolNotification
+} from '@ucap-webmessenger/protocol';
+import { UserInfoUpdateType } from '../types/user-info-update.type';
+
+export interface UserRequest extends ProtocolRequest {
+  // 타입(s)
+  type: UserInfoUpdateType;
+  // 정보(s)
+  info: string;
+}
+
+export interface UserResponse extends ProtocolResponse {
+  // 타입(s)
+  type: UserInfoUpdateType;
+  // 정보(s)
+  info: string;
+}
+
+export interface UserNotification extends ProtocolNotification {
+  // 타입(s)
+  type: UserInfoUpdateType;
+  // 정보(s)
+  info: string;
+}
+
+export const encodeUser: ProtocolEncoder<UserRequest> = (req: UserRequest) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.String, value: req.type },
+    { type: PacketBodyValue.String, value: req.info }
+  );
+
+  return bodyList;
+};
+
+export const decodeUser: ProtocolDecoder<UserResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    type: message.bodyList[0] as UserInfoUpdateType,
+    info: message.bodyList[1]
+  } as UserResponse;
+};
+
+export const decodeUserNotification: ProtocolDecoder<UserNotification> = (
+  message: ProtocolMessage
+) => {
+  return {
+    type: message.bodyList[0] as UserInfoUpdateType,
+    info: message.bodyList[1]
+  } as UserNotification;
+};
diff --git a/projects/ucap-webmessenger-protocol-info/src/lib/services/info-protocol.service.ts b/projects/ucap-webmessenger-protocol-info/src/lib/services/info-protocol.service.ts
index 60575e70..11ef17d9 100644
--- a/projects/ucap-webmessenger-protocol-info/src/lib/services/info-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-info/src/lib/services/info-protocol.service.ts
@@ -1,8 +1,82 @@
 import { Injectable } from '@angular/core';
 
+import { Observable } from 'rxjs';
+import { map, take } from 'rxjs/operators';
+
+import { ProtocolService } from '@ucap-webmessenger/protocol';
+import {
+  SVC_TYPE_INFO,
+  SSVC_TYPE_INFO_USER_REQ,
+  SSVC_TYPE_INFO_STATE_REQ,
+  SSVC_TYPE_INFO_USER_OPTION_REQ,
+  SSVC_TYPE_INFO_USER_OPTION_UPD_REQ
+} from '../types/service';
+import {
+  UserRequest,
+  encodeUser,
+  UserResponse,
+  decodeUser
+} from '../models/user';
+import {
+  StatusRequest,
+  StatusResponse,
+  encodeStatus,
+  decodeStatus
+} from '../models/status';
+import {
+  UserOptionResponse,
+  decodeUserOption,
+  UserOptionUpdateRequest,
+  encodeUserOptionUpdate,
+  UserOptionUpdateResponse,
+  decodeUserOptionUpdate
+} from '../models/user-option';
+
 @Injectable({
   providedIn: 'root'
 })
 export class InfoProtocolService {
-  constructor() {}
+  constructor(private protocolService: ProtocolService) {}
+
+  public user(req: UserRequest): Observable<UserResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_INFO, SSVC_TYPE_INFO_USER_REQ, ...encodeUser(req))
+      .pipe(
+        take(1),
+        map(res => decodeUser(res))
+      );
+  }
+
+  public status(req: StatusRequest): Observable<StatusResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_INFO, SSVC_TYPE_INFO_STATE_REQ, ...encodeStatus(req))
+      .pipe(
+        take(1),
+        map(res => decodeStatus(res))
+      );
+  }
+
+  public userOption(): Observable<UserOptionResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_INFO, SSVC_TYPE_INFO_USER_OPTION_REQ)
+      .pipe(
+        take(1),
+        map(res => decodeUserOption(res))
+      );
+  }
+
+  public userOptionUpdate(
+    req: UserOptionUpdateRequest
+  ): Observable<UserOptionUpdateResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_INFO,
+        SSVC_TYPE_INFO_USER_OPTION_UPD_REQ,
+        ...encodeUserOptionUpdate(req)
+      )
+      .pipe(
+        take(1),
+        map(res => decodeUserOptionUpdate(res))
+      );
+  }
 }
diff --git a/projects/ucap-webmessenger-protocol-info/src/lib/types/service.ts b/projects/ucap-webmessenger-protocol-info/src/lib/types/service.ts
new file mode 100644
index 00000000..1f0841ba
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-info/src/lib/types/service.ts
@@ -0,0 +1,14 @@
+export const SVC_TYPE_INFO = 30;
+export const SSVC_TYPE_INFO_USER_REQ = 1; // 사용자 정보 변경 요청
+export const SSVC_TYPE_INFO_USER_RES = 2;
+export const SSVC_TYPE_INFO_USER_NOTI = 3;
+export const SSVC_TYPE_INFO_STATE_REQ = 11; // 사용자 상태 정보 요청
+export const SSVC_TYPE_INFO_STATE_RES = 13; // 사용자 상태 정보 응답
+export const SSVC_TYPE_INFO_USER_OPTION_REQ = 21; // 사용자 환경 정보 요청
+export const SSVC_TYPE_INFO_USER_OPTION_RES = 22; // 사용자 환경 정보 응답
+export const SSVC_TYPE_INFO_USER_OPTION_UPD_REQ = 23; // 사용자 환경 정보 변경 요청
+export const SSVC_TYPE_INFO_USER_OPTION_UPD_RES = 24; // 사용자 환경 정보 변경 응답
+export const SSVC_TYPE_INFO_QUERY_SESSION_REQ = 41; // 세션 정보 요청
+export const SSVC_TYPE_INFO_QUERY_SESSION_RES = 42; // 세션 정보 응답
+export const SSVC_TYPE_INFO_BUDDY_NICKNAME_REQ = 51; // 동료 닉네임 변경 요청
+export const SSVC_TYPE_INFO_BUDDY_NICKNAME_RES = 52; // 동료 닉네임 변경 응답
diff --git a/projects/ucap-webmessenger-protocol-info/src/lib/types/user-info-update.type.ts b/projects/ucap-webmessenger-protocol-info/src/lib/types/user-info-update.type.ts
new file mode 100644
index 00000000..a2496524
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-info/src/lib/types/user-info-update.type.ts
@@ -0,0 +1,13 @@
+export enum UserInfoUpdateType {
+  // I: 프로필 이미지
+  Image = 'I',
+  // R: 인트로소개
+  Intro = 'R',
+  // T: 전화보이기여부
+  TelephoneVisible = 'T'
+}
+
+export enum TelephoneVisibleType {
+  Show = 'Y',
+  Hide = 'N'
+}
diff --git a/projects/ucap-webmessenger-protocol-info/src/public-api.ts b/projects/ucap-webmessenger-protocol-info/src/public-api.ts
index dbba1927..07f45e4c 100644
--- a/projects/ucap-webmessenger-protocol-info/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-info/src/public-api.ts
@@ -2,6 +2,13 @@
  * Public API Surface of ucap-webmessenger-protocol-info
  */
 
+export * from './lib/models/status';
+export * from './lib/models/user-option';
+export * from './lib/models/user';
+
 export * from './lib/services/info-protocol.service';
 
+export * from './lib/types/service';
+export * from './lib/types/user-info-update.type';
+
 export * from './lib/ucap-info-protocol.module';
diff --git a/projects/ucap-webmessenger-protocol-query/src/lib/models/data-user-ext.ts b/projects/ucap-webmessenger-protocol-query/src/lib/models/data-user-ext.ts
new file mode 100644
index 00000000..efbc4731
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-query/src/lib/models/data-user-ext.ts
@@ -0,0 +1,54 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  ProtocolDecoder,
+  ProtocolMessage,
+  PacketBodyValue
+} from '@ucap-webmessenger/protocol';
+import { CallMode } from '@ucap-webmessenger/core';
+
+export interface DataUserExtRequest extends ProtocolRequest {
+  // DivCD(s)
+  divCd: string;
+  // 사용자SEQ(n)
+  seq: number;
+}
+export interface DataUserExtResponse extends ProtocolResponse {
+  // DivCD(s)
+  divCd: string;
+  // 사용자SEQ(n)
+  seq: number;
+  // CallMode(s)
+  callMode: CallMode;
+  // HARDPHONE_SADN
+  hardSadn: string;
+  // FMC_SADN
+  fmcSadn: string;
+}
+
+export const encodeDataUserExt: ProtocolEncoder<DataUserExtRequest> = (
+  req: DataUserExtRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.String, value: req.divCd },
+    { type: PacketBodyValue.Integer, value: req.seq }
+  );
+
+  return bodyList;
+};
+
+export const decodeDataUserExt: ProtocolDecoder<DataUserExtResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    divCd: message.bodyList[0],
+    seq: message.bodyList[1],
+    callMode: message.bodyList[2] as CallMode,
+    hardSadn: message.bodyList[3],
+    fmcSadn: message.bodyList[4]
+  } as DataUserExtResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-query/src/lib/models/data-user.ts b/projects/ucap-webmessenger-protocol-query/src/lib/models/data-user.ts
new file mode 100644
index 00000000..87216ce4
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-query/src/lib/models/data-user.ts
@@ -0,0 +1,90 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  ProtocolDecoder,
+  ProtocolMessage,
+  PacketBodyValue,
+  BodyStringDivider
+} from '@ucap-webmessenger/protocol';
+import { EmployeeType } from '@ucap-webmessenger/protocol-room';
+import { RoleCode } from '@ucap-webmessenger/protocol-authentication';
+import { UserInfoSS } from './dept-user';
+
+export interface DataUserRequest extends ProtocolRequest {
+  // DivCD(s)
+  divCd: string;
+  // 사용자SEQ(n)
+  seq: number;
+  // 발신자회사코드(s)
+  senderCompanyCode: string;
+  // 발신자임직원유형(s)
+  senderEmployeeType: EmployeeType;
+}
+export interface DataUserResponse extends ProtocolResponse {
+  // DivCD(s)
+  divCd: string;
+  // {사용자정보-SS}
+  userInfo?: UserInfoSS;
+}
+
+export const encodeDataUser: ProtocolEncoder<DataUserRequest> = (
+  req: DataUserRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.String, value: req.divCd },
+    { type: PacketBodyValue.Integer, value: req.seq },
+    { type: PacketBodyValue.String, value: req.senderCompanyCode },
+    { type: PacketBodyValue.String, value: req.senderEmployeeType }
+  );
+
+  return bodyList;
+};
+
+export const decodeDataUser: ProtocolDecoder<DataUserResponse> = (
+  message: ProtocolMessage
+) => {
+  let userInfo: UserInfoSS;
+  if (message.bodyList.length > 1) {
+    const info = message.bodyList[1].split(BodyStringDivider);
+    let i = 0;
+    userInfo = {
+      seq: Number(info[i]),
+      name: info[i++],
+      profileImageFile: info[i++],
+      grade: info[i++],
+      intro: info[i++],
+      companyCode: info[i++],
+      hpNumber: info[i++],
+      lineNumber: info[i++],
+      email: info[i++],
+      isMobile: info[i++] === 'Y' ? true : false,
+      deptName: info[i++],
+      order: info[i++],
+      isActive: info[i++] === 'Y' ? true : false,
+      roleCd: info[i++] as RoleCode,
+      employeeNum: info[i++],
+      madn: info[i++],
+      hardSadn: info[i++],
+      fmcSadn: info[i++],
+      callMode: info[i++],
+      nameEn: info[i++],
+      nameCn: info[i++],
+      gradeEn: info[i++],
+      gradeCn: info[i++],
+      deptNameEn: info[i++],
+      deptNameCn: info[i++],
+      deptSeq: info[i++],
+      isPrivacyAgree: info[i++] === 'Y' ? true : false,
+      isValidLogin: info[i++] === 'Y' ? true : false,
+      employeeType: info[i++] as EmployeeType
+    };
+  }
+  return {
+    divCd: message.bodyList[0],
+    userInfo
+  } as DataUserResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-query/src/lib/models/dept-user.ts b/projects/ucap-webmessenger-protocol-query/src/lib/models/dept-user.ts
index af5e2ad5..bfa43384 100644
--- a/projects/ucap-webmessenger-protocol-query/src/lib/models/dept-user.ts
+++ b/projects/ucap-webmessenger-protocol-query/src/lib/models/dept-user.ts
@@ -9,16 +9,10 @@ import {
   BodyStringDivider,
   ProtocolStream
 } from '@ucap-webmessenger/protocol';
-import {
-  DeviceType,
-  FileTransferPermissions,
-  OrganizationChartPermissions,
-  DefaultScreen,
-  VideoConferenceType
-} from '@ucap-webmessenger/core';
-import { DeptType, DeptSearchType } from '../types/dept.type';
 import { EmployeeType } from '@ucap-webmessenger/protocol-room';
 import { RoleCode } from '@ucap-webmessenger/protocol-authentication';
+import { DeptSearchType } from '../types/dept-search.type';
+import { CallMode } from '@ucap-webmessenger/core';
 
 export interface DeptUserRequest extends ProtocolRequest {
   // DivCD(s)
@@ -79,7 +73,7 @@ export interface UserInfoSS {
   // FMC_SADN
   fmcSadn: string;
   // CALL_MODE
-  callMode: string;
+  callMode: CallMode;
   // 사용자명(영어)
   nameEn: string;
   // 사용자명(중국어)
@@ -150,7 +144,7 @@ export const decodeDeptUserData: ProtocolDecoder<DeptUserData> = (
     const info = userInfo.split(BodyStringDivider);
     let i = 0;
     userInfos.push({
-      seq: info[i],
+      seq: Number(info[i]),
       name: info[i++],
       profileImageFile: info[i++],
       grade: info[i++],
@@ -168,7 +162,7 @@ export const decodeDeptUserData: ProtocolDecoder<DeptUserData> = (
       madn: info[i++],
       hardSadn: info[i++],
       fmcSadn: info[i++],
-      callMode: info[i++],
+      callMode: info[i++] as CallMode,
       nameEn: info[i++],
       nameCn: info[i++],
       gradeEn: info[i++],
diff --git a/projects/ucap-webmessenger-protocol-query/src/lib/models/dept.ts b/projects/ucap-webmessenger-protocol-query/src/lib/models/dept.ts
index 1e5b56ac..faa0bbfc 100644
--- a/projects/ucap-webmessenger-protocol-query/src/lib/models/dept.ts
+++ b/projects/ucap-webmessenger-protocol-query/src/lib/models/dept.ts
@@ -69,14 +69,14 @@ export const decodeDeptData: ProtocolDecoder<DeptData> = (
     const info = deptInfo.split(BodyStringDivider);
     let i = 0;
     departmentInfos.push({
-      seq: info[i],
+      seq: Number(info[i]),
       name: info[i++],
       companyCode: info[i++],
       type: info[i++] as DeptType,
-      rootSeq: info[i++],
-      parentSeq: info[i++],
+      rootSeq: Number(info[i++]),
+      parentSeq: Number(info[i++]),
       order: info[i++],
-      depth: info[i++],
+      depth: Number(info[i++]),
       isActive: info[i++] === 'Y' ? true : false,
       nameEn: info[i++],
       nameCn: info[i++]
diff --git a/projects/ucap-webmessenger-protocol-query/src/lib/models/user-dn.ts b/projects/ucap-webmessenger-protocol-query/src/lib/models/user-dn.ts
new file mode 100644
index 00000000..0ba021a5
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-query/src/lib/models/user-dn.ts
@@ -0,0 +1,179 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  ProtocolDecoder,
+  ProtocolMessage,
+  PacketBodyValue,
+  BodyStringDivider,
+  ProtocolStream
+} from '@ucap-webmessenger/protocol';
+import { EmployeeType } from '@ucap-webmessenger/protocol-room';
+import { RoleCode } from '@ucap-webmessenger/protocol-authentication';
+import { UserDnSearchType } from '../types/user-dn-search.type';
+
+export interface UserDnRequest extends ProtocolRequest {
+  // DivCD(s)
+  divCd: string;
+  // 기관코드(s)
+  companyCode: string;
+  // 부서SEQ(n)
+  seq?: number;
+  // 검색string(s)
+  search?: string;
+  // 검색구분(s)
+  searchType: UserDnSearchType;
+  // 요청리스트(n) 사용안하면 0 최대 200
+  pageListCount?: number;
+  // 요청페이지(n) 사용안하면 0 처음은 1
+  pageCurrent?: number;
+  // 발신자회사코드(s)
+  senderCompanyCode: string;
+  // 발신자임직원유형(s)
+  senderEmployeeType: EmployeeType;
+}
+
+export interface UserInfoDN {
+  // 사용자SEQ
+  seq: number;
+  // 사용자명
+  name: string;
+  // 사진파일
+  profileImageFile: string;
+  // 직급
+  grade: string;
+  // 업무소개
+  intro: string;
+  // 기관코드
+  companyCode: string;
+  // 핸드폰번호
+  hpNumber: string;
+  // 내선번호
+  lineNumber: string;
+  // 이메일
+  email: string;
+  // 모바일YN
+  isMobile: boolean;
+  // 조회순서
+  order: string;
+  // ActiveYN
+  isActive: boolean;
+  // 역할코드
+  roleCd: RoleCode;
+  // 사번
+  employeeNum: string;
+  // 부서명
+  deptName: string;
+  // MADN
+  madn: string;
+  // HARDPHONE_SADN
+  hardSadn: string;
+  // FMC_SADN
+  fmcSadn: string;
+  // 사용자명(영어)
+  nameEn: string;
+  // 사용자명(중국어)
+  nameCn: string;
+  // 직급(영어)
+  gradeEn: string;
+  // 직급(중국어)
+  gradeCn: string;
+  // 부서명(영어)
+  deptNameEn: string;
+  // 부서명(중국어)
+  deptNameCn: string;
+}
+export interface UserDnData extends ProtocolStream {
+  // DivCD(s)
+  divCd: string;
+  // {부서정보-S}...
+  userDnInfos: UserInfoDN[];
+}
+export interface UserDnResponse extends ProtocolResponse {
+  // DivCD(s)
+  divCd: string;
+  // 전체갯수(n)
+  pageTotalCount: number;
+  // 요청리스트(n)
+  pageListCount?: number;
+  // 페이지(n)
+  pageCurrent?: number;
+}
+
+export const encodeUserDn: ProtocolEncoder<UserDnRequest> = (
+  req: UserDnRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.String, value: req.divCd },
+    { type: PacketBodyValue.String, value: req.companyCode },
+    { type: PacketBodyValue.Integer, value: req.seq || 0 },
+    { type: PacketBodyValue.String, value: req.search || '' },
+    { type: PacketBodyValue.String, value: req.searchType },
+    {
+      type: PacketBodyValue.Integer,
+      value: req.pageListCount || 0
+    },
+    { type: PacketBodyValue.Integer, value: req.pageCurrent || 0 },
+    { type: PacketBodyValue.String, value: req.senderCompanyCode },
+    {
+      type: PacketBodyValue.String,
+      value: req.senderEmployeeType
+    }
+  );
+
+  return bodyList;
+};
+
+export const decodeUserDnData: ProtocolDecoder<UserDnData> = (
+  message: ProtocolMessage
+) => {
+  const userDnInfos: UserInfoDN[] = [];
+  message.bodyList.slice(1).forEach(userDnInfo => {
+    const info = userDnInfo.split(BodyStringDivider);
+    let i = 0;
+    userDnInfos.push({
+      seq: Number(info[i]),
+      name: info[i++],
+      profileImageFile: info[i++],
+      grade: info[i++],
+      intro: info[i++],
+      companyCode: info[i++],
+      hpNumber: info[i++],
+      lineNumber: info[i++],
+      email: info[i++],
+      isMobile: info[i++] === 'Y' ? true : false,
+      order: info[i++],
+      isActive: info[i++] === 'Y' ? true : false,
+      roleCd: info[i++] as RoleCode,
+      employeeNum: info[i++],
+      deptName: info[i++],
+      madn: info[i++],
+      hardSadn: info[i++],
+      fmcSadn: info[i++],
+      nameEn: info[i++],
+      nameCn: info[i++],
+      gradeEn: info[i++],
+      gradeCn: info[i++],
+      deptNameEn: info[i++],
+      deptNameCn: info[i++]
+    });
+  });
+  return {
+    divCd: message.bodyList[0],
+    userDnInfos
+  } as UserDnData;
+};
+
+export const decodeUserDn: ProtocolDecoder<UserDnResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    divCd: message.bodyList[0],
+    pageTotalCount: message.bodyList[1],
+    pageListCount: message.bodyList[2],
+    pageCurrent: message.bodyList[3]
+  } as UserDnResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-query/src/lib/models/user-id.ts b/projects/ucap-webmessenger-protocol-query/src/lib/models/user-id.ts
new file mode 100644
index 00000000..5dc94f41
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-query/src/lib/models/user-id.ts
@@ -0,0 +1,83 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  ProtocolDecoder,
+  ProtocolMessage,
+  PacketBodyValue,
+  BodyStringDivider,
+  ProtocolStream
+} from '@ucap-webmessenger/protocol';
+import { EmployeeType } from '@ucap-webmessenger/protocol-room';
+
+export interface UserIdRequest extends ProtocolRequest {
+  // DivCD(s)
+  divCd: string;
+  // 사용자SEQs(s)
+  loginSeqs: number[];
+  // 발신자회사코드(s)
+  senderCompanyCode: string;
+  // 발신자임직원유형(s)
+  senderEmployeeType: EmployeeType;
+}
+export interface UserSeqInfo {
+  // 로그인ID
+  id: string;
+  // 사용자SEQ
+  seq: number;
+  // 모바일YN
+  isMobile: boolean;
+  // 회사코드
+  companyCode: string;
+}
+export interface UserIdData extends ProtocolStream {
+  // DivCD(s)
+  divCd: string;
+  // {SEQ정보}1...
+  userSeqInfos: UserSeqInfo[];
+}
+export interface UserIdResponse extends ProtocolResponse {
+  // DivCD(s)
+  divCd: string;
+}
+
+export const encodeUserId: ProtocolEncoder<UserIdRequest> = (
+  req: UserIdRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.String, value: req.divCd },
+    { type: PacketBodyValue.Integer, value: req.loginSeqs.join(',') },
+    { type: PacketBodyValue.String, value: req.senderCompanyCode },
+    { type: PacketBodyValue.String, value: req.senderEmployeeType }
+  );
+
+  return bodyList;
+};
+
+export const decodeUserIdData: ProtocolDecoder<UserIdData> = (
+  message: ProtocolMessage
+) => {
+  const userSeqInfos: UserSeqInfo[] = [];
+  message.bodyList.slice(1).forEach(userInfo => {
+    const info = userInfo.split(BodyStringDivider);
+    userSeqInfos.push({
+      id: info[0],
+      seq: Number(info[1]),
+      isMobile: info[2] === 'Y' ? true : false,
+      companyCode: info[3]
+    });
+  });
+  return {
+    divCd: message.bodyList[0],
+    userSeqInfos
+  } as UserIdData;
+};
+
+export const decodeUserId: ProtocolDecoder<UserIdResponse> = (
+  message: ProtocolMessage
+) => {
+  return { divCd: message.bodyList[0] } as UserIdResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-query/src/lib/models/user-seq.ts b/projects/ucap-webmessenger-protocol-query/src/lib/models/user-seq.ts
new file mode 100644
index 00000000..0f416fd4
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-query/src/lib/models/user-seq.ts
@@ -0,0 +1,218 @@
+import {
+  ProtocolRequest,
+  ProtocolEncoder,
+  PacketBody,
+  ProtocolDecoder,
+  ProtocolMessage,
+  PacketBodyValue,
+  BodyStringDivider,
+  ProtocolStream
+} from '@ucap-webmessenger/protocol';
+import { EmployeeType } from '@ucap-webmessenger/protocol-room';
+import { RoleCode } from '@ucap-webmessenger/protocol-authentication';
+import { UserInfoSS } from './dept-user';
+
+export interface UserSeqRequest extends ProtocolRequest {
+  // DivCD(s)
+  divCd: string;
+  // 로그인IDs(s)
+  loginIds: string[];
+  // 기관코드(s)
+  companyCode: string;
+  // 상세정보여부(s)
+  isDetail: boolean;
+  // 발신자회사코드(s)
+  senderCompanyCode: string;
+  // 발신자임직원유형(s)
+  senderEmployeeType: EmployeeType;
+}
+export interface UserInfoF {
+  // 사용자SEQ
+  seq: number;
+  // 사용자명
+  name: string;
+  // 사진파일
+  profileImageFile: string;
+  // 직급
+  grade: string;
+  // 업무소개
+  intro: string;
+  // 기관코드
+  companyCode: string;
+  // 핸드폰번호
+  hpNumber: string;
+  // 내선번호
+  lineNumber: string;
+  // 이메일
+  email: string;
+  // 모바일YN
+  isMobile: boolean;
+  // 부서명
+  deptName: string;
+  // 즐.찾 여부
+  isFavorit: boolean;
+  // 친구여부
+  isBuddy: boolean;
+  // ActiveYN
+  isActive: boolean;
+  // 역할코드
+  roleCd: RoleCode;
+  // 사번
+  employeeNum: string;
+  // MADN
+  madn: string;
+  // HARDPHONE_SADN
+  hardSadn: string;
+  // FMC_SADN
+  fmcSadn: string;
+  // 사용자명(영어)
+  nameEn: string;
+  // 사용자명(중국어)
+  nameCn: string;
+  // 직급(영어)
+  gradeEn: string;
+  // 직급(중국어)
+  gradeCn: string;
+  // 부서명(영어)
+  deptNameEn: string;
+  // 부서명(중국어)
+  deptNameCn: string;
+  // 이용약관동의여부YN
+  isPrivacyAgree: boolean;
+  // 유효접속여부YN
+  isValidLogin: boolean;
+  // 임직원유형(s)
+  employeeType: EmployeeType;
+  // 별명
+  nickName: string;
+}
+export interface UserSeqData extends ProtocolStream {
+  // DivCD(s)
+  divCd: string;
+  // {사용자정보-F}...
+  userInfos: UserInfoF[];
+}
+export interface UserSeqData2 extends ProtocolStream {
+  // DivCD(s)
+  divCd: string;
+  // {사용자정보-SS}...
+  userInfos: UserInfoSS[];
+}
+
+export const encodeUserSeq: ProtocolEncoder<UserSeqRequest> = (
+  req: UserSeqRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.String, value: req.divCd },
+    { type: PacketBodyValue.String, value: req.loginIds.join(',') },
+    { type: PacketBodyValue.String, value: req.companyCode },
+    { type: PacketBodyValue.String, value: req.isDetail ? 'Y' : 'N' },
+    { type: PacketBodyValue.String, value: req.senderCompanyCode },
+    { type: PacketBodyValue.String, value: req.senderEmployeeType }
+  );
+
+  return bodyList;
+};
+
+export const decodeUserSeqData: ProtocolDecoder<UserSeqData> = (
+  message: ProtocolMessage
+) => {
+  const userInfos: UserInfoF[] = [];
+  message.bodyList.slice(1).forEach(userInfo => {
+    const info = userInfo.split(BodyStringDivider);
+    let i = 0;
+    userInfos.push({
+      seq: Number(info[i]),
+      name: info[i++],
+      profileImageFile: info[i++],
+      grade: info[i++],
+      intro: info[i++],
+      companyCode: info[i++],
+      hpNumber: info[i++],
+      lineNumber: info[i++],
+      email: info[i++],
+      isMobile: info[i++] === 'Y' ? true : false,
+      deptName: info[i++],
+      isFavorit: info[i++] === 'Y' ? true : false,
+      isBuddy: info[i++] === 'Y' ? true : false,
+      isActive: info[i++] === 'Y' ? true : false,
+      roleCd: info[i++] as RoleCode,
+      employeeNum: info[i++],
+      madn: info[i++],
+      hardSadn: info[i++],
+      fmcSadn: info[i++],
+      nameEn: info[i++],
+      nameCn: info[i++],
+      gradeEn: info[i++],
+      gradeCn: info[i++],
+      deptNameEn: info[i++],
+      deptNameCn: info[i++],
+      isPrivacyAgree: info[i++] === 'Y' ? true : false,
+      isValidLogin: info[i++] === 'Y' ? true : false,
+      employeeType: info[i++] as EmployeeType,
+      nickName: info[i++]
+    } as UserInfoF);
+  });
+  return {
+    divCd: message.bodyList[0],
+    userInfos
+  } as UserSeqData;
+};
+
+export const decodeUserSeqData2: ProtocolDecoder<UserSeqData2> = (
+  message: ProtocolMessage
+) => {
+  const userInfos: UserInfoSS[] = [];
+  message.bodyList.slice(1).forEach(userInfo => {
+    const info = userInfo.split(BodyStringDivider);
+    let i = 0;
+    userInfos.push({
+      seq: Number(info[i]),
+      name: info[i++],
+      profileImageFile: info[i++],
+      grade: info[i++],
+      intro: info[i++],
+      companyCode: info[i++],
+      hpNumber: info[i++],
+      lineNumber: info[i++],
+      email: info[i++],
+      isMobile: info[i++] === 'Y' ? true : false,
+      deptName: info[i++],
+      order: info[i++],
+      isActive: info[i++] === 'Y' ? true : false,
+      roleCd: info[i++] as RoleCode,
+      employeeNum: info[i++],
+      madn: info[i++],
+      hardSadn: info[i++],
+      fmcSadn: info[i++],
+      callMode: info[i++],
+      nameEn: info[i++],
+      nameCn: info[i++],
+      gradeEn: info[i++],
+      gradeCn: info[i++],
+      deptNameEn: info[i++],
+      deptNameCn: info[i++],
+      deptSeq: info[i++],
+      isPrivacyAgree: info[i++] === 'Y' ? true : false,
+      isValidLogin: info[i++] === 'Y' ? true : false,
+      employeeType: info[i++] as EmployeeType
+    });
+  });
+  return {
+    divCd: message.bodyList[0],
+    userInfos
+  } as UserSeqData2;
+};
+
+// export const decodeDeptUser: ProtocolDecoder<DeptUserResponse> = (
+//   message: ProtocolMessage
+// ) => {
+//   return {
+//     divCd: message.bodyList[0],
+//     pageTotalCount: message.bodyList[1],
+//     pageListCount: message.bodyList[2],
+//     pageCurrent: message.bodyList[3]
+//   } as DeptUserResponse;
+// };
diff --git a/projects/ucap-webmessenger-protocol-query/src/lib/services/query-protocol.service.ts b/projects/ucap-webmessenger-protocol-query/src/lib/services/query-protocol.service.ts
index e79ac75f..26abcd33 100644
--- a/projects/ucap-webmessenger-protocol-query/src/lib/services/query-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-query/src/lib/services/query-protocol.service.ts
@@ -16,7 +16,22 @@ import {
   SSVC_TYPE_QUERY_DEPT_DATA,
   SSVC_TYPE_QUERY_DEPT_USER_RES,
   SSVC_TYPE_QUERY_DEPT_USER_DATA,
-  SSVC_TYPE_QUERY_DEPT_USER_REQ
+  SSVC_TYPE_QUERY_DEPT_USER_REQ,
+  SSVC_TYPE_QUERY_USER_SEQ_REQ,
+  SSVC_TYPE_QUERY_USER_SEQ_RES,
+  SSVC_TYPE_QUERY_USER_SEQ_DATA,
+  SSVC_TYPE_QUERY_USER_SEQ_DATA2,
+  SSVC_TYPE_QUERY_USER_ID_REQ,
+  SSVC_TYPE_QUERY_USER_ID_RES,
+  SSVC_TYPE_QUERY_USER_ID_DATA,
+  SSVC_TYPE_QUERY_USER_BY_DN_REQ,
+  SSVC_TYPE_QUERY_USER_BY_DN_RES,
+  SSVC_TYPE_QUERY_USER_BY_DN_DATA,
+  SSVC_TYPE_QUERY_DATA_USER_REQ,
+  SSVC_TYPE_QUERY_EXT_DATA_USER_REQ,
+  SSVC_TYPE_QUERY_DEPT_USER2_REQ,
+  SSVC_TYPE_QUERY_DEPT_USER2_DATA,
+  SSVC_TYPE_QUERY_DEPT_USER2_RES
 } from '../types/service';
 import {
   DeptRequest,
@@ -34,6 +49,42 @@ import {
   DeptUserData,
   DeptUserResponse
 } from '../models/dept-user';
+import {
+  UserSeqData,
+  UserSeqData2,
+  encodeUserSeq,
+  decodeUserSeqData,
+  decodeUserSeqData2,
+  UserSeqRequest
+} from '../models/user-seq';
+import {
+  UserIdRequest,
+  UserIdResponse,
+  UserIdData,
+  encodeUserId,
+  decodeUserId,
+  decodeUserIdData
+} from '../models/user-id';
+import {
+  UserDnRequest,
+  UserDnResponse,
+  UserDnData,
+  encodeUserDn,
+  decodeUserDnData,
+  decodeUserDn
+} from '../models/user-dn';
+import {
+  DataUserRequest,
+  DataUserResponse,
+  encodeDataUser,
+  decodeDataUser
+} from '../models/data-user';
+import {
+  DataUserExtRequest,
+  DataUserExtResponse,
+  encodeDataUserExt,
+  decodeDataUserExt
+} from '../models/data-user-ext';
 
 @Injectable({
   providedIn: 'root'
@@ -93,4 +144,140 @@ export class QueryProtocolService {
         })
       );
   }
+  public deptUser2(
+    req: DeptUserRequest
+  ): Observable<DeptUserResponse | DeptUserData> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_QUERY_DATA,
+        SSVC_TYPE_QUERY_DEPT_USER2_REQ,
+        ...encodeDeptUser(req)
+      )
+      .pipe(
+        takeWhile(
+          res => SSVC_TYPE_QUERY_DEPT_USER2_RES !== res.subServiceType,
+          true
+        ),
+        map(res => {
+          if (SSVC_TYPE_QUERY_DEPT_USER2_DATA === res.subServiceType) {
+            return {
+              ...decodeDeptUserData(res),
+              Type: SSVC_TYPE_QUERY_DEPT_USER2_DATA
+            };
+          }
+
+          return {
+            ...decodeDeptUser(res),
+            Type: SSVC_TYPE_QUERY_DEPT_USER2_RES
+          };
+        })
+      );
+  }
+
+  public userSeq(req: UserSeqRequest): Observable<UserSeqData | UserSeqData2> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_QUERY_DATA,
+        SSVC_TYPE_QUERY_USER_SEQ_REQ,
+        ...encodeUserSeq(req)
+      )
+      .pipe(
+        takeWhile(
+          res => SSVC_TYPE_QUERY_USER_SEQ_RES !== res.subServiceType,
+          true
+        ),
+        map(res => {
+          if (SSVC_TYPE_QUERY_USER_SEQ_DATA === res.subServiceType) {
+            return {
+              ...decodeUserSeqData(res),
+              Type: SSVC_TYPE_QUERY_USER_SEQ_DATA
+            };
+          } else if (SSVC_TYPE_QUERY_USER_SEQ_DATA2 === res.subServiceType) {
+            return {
+              ...decodeUserSeqData2(res),
+              Type: SSVC_TYPE_QUERY_USER_SEQ_DATA2
+            };
+          }
+        })
+      );
+  }
+  public userId(req: UserIdRequest): Observable<UserIdResponse | UserIdData> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_QUERY_DATA,
+        SSVC_TYPE_QUERY_USER_ID_REQ,
+        ...encodeUserId(req)
+      )
+      .pipe(
+        takeWhile(
+          res => SSVC_TYPE_QUERY_USER_ID_RES !== res.subServiceType,
+          true
+        ),
+        map(res => {
+          if (SSVC_TYPE_QUERY_USER_ID_DATA === res.subServiceType) {
+            return {
+              ...decodeUserIdData(res),
+              Type: SSVC_TYPE_QUERY_USER_SEQ_DATA
+            };
+          }
+
+          return {
+            ...decodeUserId(res),
+            Type: SSVC_TYPE_QUERY_USER_ID_RES
+          };
+        })
+      );
+  }
+  public userDn(req: UserDnRequest): Observable<UserDnResponse | UserDnData> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_QUERY_DATA,
+        SSVC_TYPE_QUERY_USER_BY_DN_REQ,
+        ...encodeUserDn(req)
+      )
+      .pipe(
+        takeWhile(
+          res => SSVC_TYPE_QUERY_USER_BY_DN_RES !== res.subServiceType,
+          true
+        ),
+        map(res => {
+          if (SSVC_TYPE_QUERY_USER_BY_DN_DATA === res.subServiceType) {
+            return {
+              ...decodeUserDnData(res),
+              Type: SSVC_TYPE_QUERY_USER_BY_DN_DATA
+            };
+          }
+
+          return {
+            ...decodeUserDn(res),
+            Type: SSVC_TYPE_QUERY_USER_BY_DN_RES
+          };
+        })
+      );
+  }
+
+  public dataUser(req: DataUserRequest): Observable<DataUserResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_QUERY_DATA,
+        SSVC_TYPE_QUERY_DATA_USER_REQ,
+        ...encodeDataUser(req)
+      )
+      .pipe(
+        take(1),
+        map(res => decodeDataUser(res))
+      );
+  }
+  public dataUserExt(req: DataUserExtRequest): Observable<DataUserExtResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_QUERY_DATA,
+        SSVC_TYPE_QUERY_EXT_DATA_USER_REQ,
+        ...encodeDataUserExt(req)
+      )
+      .pipe(
+        take(1),
+        map(res => decodeDataUserExt(res))
+      );
+  }
 }
diff --git a/projects/ucap-webmessenger-protocol-query/src/lib/types/dept-search.type.ts b/projects/ucap-webmessenger-protocol-query/src/lib/types/dept-search.type.ts
new file mode 100644
index 00000000..5934d474
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-query/src/lib/types/dept-search.type.ts
@@ -0,0 +1,10 @@
+export enum DeptSearchType {
+  // A: 부서, 인원
+  All = 'A',
+  // U: 인원
+  User = 'U',
+  // D: 부서
+  Department = 'D',
+  // M: 다중부서 cf) 여러 부서(하위전체)를 쿼리할 때 1, 2, 3, 4..이렇게 부서SEQ들을, 로 연결해서 보냄 (검색string 필드를 사용함)
+  MultiDepartment = 'M'
+}
diff --git a/projects/ucap-webmessenger-protocol-query/src/lib/types/dept.type.ts b/projects/ucap-webmessenger-protocol-query/src/lib/types/dept.type.ts
index 2783f927..18c4a5e7 100644
--- a/projects/ucap-webmessenger-protocol-query/src/lib/types/dept.type.ts
+++ b/projects/ucap-webmessenger-protocol-query/src/lib/types/dept.type.ts
@@ -6,14 +6,3 @@ export enum DeptType {
   // T: 부서
   Team = 'T'
 }
-
-export enum DeptSearchType {
-  // A: 부서, 인원
-  All = 'A',
-  // U: 인원
-  User = 'U',
-  // D: 부서
-  Department = 'D',
-  // M: 다중부서 cf) 여러 부서(하위전체)를 쿼리할 때 1, 2, 3, 4..이렇게 부서SEQ들을, 로 연결해서 보냄 (검색string 필드를 사용함)
-  MultiDepartment = 'M'
-}
diff --git a/projects/ucap-webmessenger-protocol-query/src/lib/types/service.ts b/projects/ucap-webmessenger-protocol-query/src/lib/types/service.ts
index efc92581..1cb064a2 100644
--- a/projects/ucap-webmessenger-protocol-query/src/lib/types/service.ts
+++ b/projects/ucap-webmessenger-protocol-query/src/lib/types/service.ts
@@ -8,8 +8,11 @@ export const SSVC_TYPE_QUERY_DEPT_REQ = 11; // 부서 정보 쿼리 요청
 export const SSVC_TYPE_QUERY_DEPT_DATA = 12; //
 export const SSVC_TYPE_QUERY_DEPT_RES = 13; //
 export const SSVC_TYPE_QUERY_DEPT_USER_REQ = 14; // 사용자 검색 쿼리 요청
-export const SSVC_TYPE_QUERY_DEPT_USER_DATA = 15; //
-export const SSVC_TYPE_QUERY_DEPT_USER_RES = 16; //
+export const SSVC_TYPE_QUERY_DEPT_USER_DATA = 15;
+export const SSVC_TYPE_QUERY_DEPT_USER_RES = 16;
+export const SSVC_TYPE_QUERY_DEPT_USER2_REQ = 54; // 사용자 검색 쿼리 요청2 (부서 LIKE 검색)
+export const SSVC_TYPE_QUERY_DEPT_USER2_DATA = 55;
+export const SSVC_TYPE_QUERY_DEPT_USER2_RES = 56;
 export const SSVC_TYPE_QUERY_TEAM_CONTACT_USER_REQ = 17; // 공용 주소록 검색 쿼리 요청
 export const SSVC_TYPE_QUERY_TEAM_CONTACT_USER_DATA = 18; //
 export const SSVC_TYPE_QUERY_TEAM_CONTACT_USER_RES = 19; //
@@ -25,10 +28,10 @@ export const SSVC_TYPE_QUERY_USER_BY_DN_DATA = 32; //
 export const SSVC_TYPE_QUERY_USER_BY_DN_RES = 33; // 사용자 정보 검색 응답(DN으로)
 export const SSVC_TYPE_QUERY_MY_GROUP_REQ = 41; // 정렬된 그룹 SEQs 정보 요청
 export const SSVC_TYPE_QUERY_MY_GROUP_RES = 42; // 정렬된 그룹 SEQs 정보 응답
-export const SSVC_TYPE_QUERY_CONFIRM_USER_REQ = 51; // 사용자 확인 요청
-export const SSVC_TYPE_QUERY_CONFIRM_USER_RES = 52; // 사용자 확인 응답
+export const SSVC_TYPE_QUERY_MY_GROUP_REQ2 = 43; // 정렬된 그룹 SEQs 정보 요청
+export const SSVC_TYPE_QUERY_MY_GROUP_RES2 = 44; // 정렬된 그룹 SEQs 정보 응답
 export const SSVC_TYPE_QUERY_AUTH_REQ = 91; // 사용자 권한 정보 요청
 export const SSVC_TYPE_QUERY_AUTH_RES = 92; // 사용자 권한 정보 응답
-export const SSVC_TYPE_QUERY_CONTACT_VCARD_REQ = 101; // 명함주소록(거래처) 검색 요청
-export const SSVC_TYPE_QUERY_CONTACT_VCARD_DATA = 102; // 명함주소록(거래처) 데이터
-export const SSVC_TYPE_QUERY_CONTACT_VCARD_RES = 103; // 명함주소록(거래처) 검색 요청 응답
+export const SSVC_TYPE_QUERY_VALID_USER_REQ = 93;
+export const SSVC_TYPE_QUERY_VALID_USER_DATA = 94;
+export const SSVC_TYPE_QUERY_VALID_USER_RES = 95;
diff --git a/projects/ucap-webmessenger-protocol-query/src/lib/types/user-dn-search.type.ts b/projects/ucap-webmessenger-protocol-query/src/lib/types/user-dn-search.type.ts
new file mode 100644
index 00000000..c1b99fa4
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-query/src/lib/types/user-dn-search.type.ts
@@ -0,0 +1,6 @@
+export enum UserDnSearchType {
+  // D: 전화번호검색(HP_NUMBER, HARDPHONE_SADN, FMC_SADN)
+  Number = 'D',
+  // C: 이름검색(사용자명, 부서명)
+  Character = 'C'
+}
diff --git a/projects/ucap-webmessenger-protocol-query/src/public-api.ts b/projects/ucap-webmessenger-protocol-query/src/public-api.ts
index 8e28590a..0b072b39 100644
--- a/projects/ucap-webmessenger-protocol-query/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-query/src/public-api.ts
@@ -3,12 +3,19 @@
  */
 
 export * from './lib/models/auth';
-export * from './lib/models/dept';
+export * from './lib/models/data-user-ext';
+export * from './lib/models/data-user';
 export * from './lib/models/dept-user';
+export * from './lib/models/dept';
+export * from './lib/models/user-dn';
+export * from './lib/models/user-id';
+export * from './lib/models/user-seq';
 
 export * from './lib/services/query-protocol.service';
 
+export * from './lib/types/dept-search.type';
 export * from './lib/types/dept.type';
 export * from './lib/types/service';
+export * from './lib/types/user-dn-search.type';
 
 export * from './lib/ucap-query-protocol.module';
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/info.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/info.ts
index 87fbab49..53b9b9c4 100644
--- a/projects/ucap-webmessenger-protocol-room/src/lib/models/info.ts
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/models/info.ts
@@ -207,13 +207,13 @@ export const decodeInfoData: ProtocolDecoder<InfoData> = (
         finalEventType: info[3] as EventType,
         finalEventMessage: info[4],
         finalEventDate: info[5],
-        joinUserCount: info[6],
-        noReadCnt: info[7],
+        joinUserCount: Number(info[6]),
+        noReadCnt: Number(info[7]),
         isAlarm: info[8] !== 'N' ? true : false,
         isJoinRoom: info[9] === 'Y' ? true : false,
-        expiredFileStdSeq: info[10],
+        expiredFileStdSeq: Number(info[10]),
         isTimeRoom: info[11] === 'Y' ? true : false,
-        timeRoomInterval: info[11] !== 'Y' ? 0 : info[12] || 0
+        timeRoomInterval: info[11] !== 'Y' ? 0 : Number(info[12]) || 0
       };
     }
   }
@@ -231,11 +231,11 @@ export const decodeUserShortData: ProtocolDecoder<UserShortData> = (
   message.bodyList.slice(1).forEach(userInfo => {
     const info = userInfo.split(BodyStringDivider);
     userInfos.push({
-      seq: info[0],
+      seq: Number(info[0]),
       name: info[1],
       profileImageFile: info[2],
       isJoinRoom: info[3],
-      lastReadEventSeq: info[4],
+      lastReadEventSeq: Number(info[4]),
       madn: info[5],
       hardSadn: info[6],
       fmcSadn: info[7],
@@ -261,7 +261,7 @@ export const decodeUserData: ProtocolDecoder<UserData> = (
   message.bodyList.slice(1).forEach(userInfo => {
     const info = userInfo.split(BodyStringDivider);
     userInfos.push({
-      seq: info[0],
+      seq: Number(info[0]),
       name: info[1],
       profileImageFile: info[2],
       grade: info[3],
diff --git a/projects/ucap-webmessenger-protocol-status/src/lib/models/buddy.ts b/projects/ucap-webmessenger-protocol-status/src/lib/models/buddy.ts
new file mode 100644
index 00000000..1a6bb3eb
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-status/src/lib/models/buddy.ts
@@ -0,0 +1,36 @@
+import {
+  ProtocolResponse,
+  ProtocolDecoder,
+  ProtocolMessage,
+  BodyStringDivider
+} from '@ucap-webmessenger/protocol';
+import { StatusCode } from '@ucap-webmessenger/core';
+import { StatusInfo } from './status';
+
+export interface BuddyResponse extends ProtocolResponse {
+  // {상태정보}...
+  statusInfos: StatusInfo[];
+}
+
+export const decodeBuddy: ProtocolDecoder<BuddyResponse> = (
+  message: ProtocolMessage
+) => {
+  const statusInfos: StatusInfo[] = [];
+  message.bodyList.forEach(statusInfo => {
+    const info = statusInfo.split(BodyStringDivider);
+    let idx = 0;
+    statusInfos.push({
+      userSeq: Number(info[idx]),
+      pcStatus: info[idx++] as StatusCode,
+      phoneStatus: info[idx++] as StatusCode,
+      mobileStatus: info[idx++] as StatusCode,
+      conferenceStatus: info[idx++] as StatusCode,
+      statusMessage: info[idx++],
+      mobileConferenceStatus: info[idx++] as StatusCode,
+      imessengerStatus: info[idx++] as StatusCode
+    });
+  });
+  return {
+    statusInfos
+  } as BuddyResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-status/src/lib/models/bulk.ts b/projects/ucap-webmessenger-protocol-status/src/lib/models/bulk.ts
new file mode 100644
index 00000000..4166e4dd
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-status/src/lib/models/bulk.ts
@@ -0,0 +1,95 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage,
+  BodyStringDivider,
+  ProtocolStream
+} from '@ucap-webmessenger/protocol';
+import { StatusType, StatusCode } from '@ucap-webmessenger/core';
+import { StatusInfo } from './status';
+import {
+  TerminalStatusInfo,
+  TerminalStatusNumber
+} from '../types/terminal-status.type';
+
+export interface BulkInfoRequest extends ProtocolRequest {
+  // DivCD(s)
+  divCd: string;
+  // 사용자SEQ(n)...
+  userSeqs: number[];
+}
+export interface StatusBulkInfo extends StatusInfo {
+  // 사용자SEQ
+  // 상태코드(PC)
+  // 상태코드(통화)
+  // 상태코드(모바일)
+  // 상태코드(PC화상)
+  // 상태메시지
+  // 상태코드(Mobile화상)
+  // 상태코드(iMessenger)
+
+  // 단말상태정보(s)
+  terminalStatus: TerminalStatusInfo;
+  // 단말상태번호(n)
+  terminalStatusNumber: TerminalStatusNumber;
+}
+export interface BulkInfoData extends ProtocolStream {
+  // DivCD(s)
+  divCd: string;
+  // {상태정보Bulk}...
+  statusBulkInfos: StatusBulkInfo[];
+}
+export interface BulkInfoResponse extends ProtocolResponse {
+  // DivCD(s)
+  divCd: string;
+}
+
+export const encodeBulkInfo: ProtocolEncoder<BulkInfoRequest> = (
+  req: BulkInfoRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
+  req.userSeqs.forEach(userSeq => {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  });
+  return bodyList;
+};
+
+export const decodeBulkInfo: ProtocolDecoder<BulkInfoResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    divCd: message.bodyList[0]
+  } as BulkInfoResponse;
+};
+
+export const decodeBulkInfoData: ProtocolDecoder<BulkInfoData> = (
+  message: ProtocolMessage
+) => {
+  const statusBulkInfos: StatusBulkInfo[] = [];
+  message.bodyList.slice(1).forEach(statusBulkInfo => {
+    const info = statusBulkInfo.split(BodyStringDivider);
+    let idx = 0;
+    statusBulkInfos.push({
+      userSeq: Number(info[idx]),
+      pcStatus: info[idx++] as StatusCode,
+      phoneStatus: info[idx++] as StatusCode,
+      mobileStatus: info[idx++] as StatusCode,
+      conferenceStatus: info[idx++] as StatusCode,
+      statusMessage: info[idx++],
+      mobileConferenceStatus: info[idx++] as StatusCode,
+      imessengerStatus: info[idx++] as StatusCode,
+      terminalStatus: info[idx++] as TerminalStatusInfo,
+      terminalStatusNumber: Number(info[idx++]) as TerminalStatusNumber
+    });
+  });
+  return {
+    divCd: message.bodyList[0],
+    statusBulkInfos
+  } as BulkInfoData;
+};
diff --git a/projects/ucap-webmessenger-protocol-status/src/lib/models/message-update.ts b/projects/ucap-webmessenger-protocol-status/src/lib/models/message-update.ts
new file mode 100644
index 00000000..93f40567
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-status/src/lib/models/message-update.ts
@@ -0,0 +1,45 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+import { MessageIndexType } from '../types/message-index.type';
+
+export interface MessageUpdateRequest extends ProtocolRequest {
+  // 상태타입(s)
+  index: MessageIndexType;
+  // 상태메시지(s)
+  statusMessage: string;
+}
+
+export interface MessageUpdateResponse extends ProtocolResponse {
+  // 상태타입(s)
+  index: MessageIndexType;
+  // 상태메시지(s)
+  statusMessage: string;
+}
+
+export const encodeMessageUpdate: ProtocolEncoder<MessageUpdateRequest> = (
+  req: MessageUpdateRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.Integer, value: req.index },
+    { type: PacketBodyValue.String, value: req.statusMessage }
+  );
+  return bodyList;
+};
+
+export const decodeMessageUpdate: ProtocolDecoder<MessageUpdateResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    index: message.bodyList[0] as MessageIndexType,
+    statusMessage: message.bodyList[1]
+  } as MessageUpdateResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-status/src/lib/models/status.ts b/projects/ucap-webmessenger-protocol-status/src/lib/models/status.ts
new file mode 100644
index 00000000..675aa20e
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-status/src/lib/models/status.ts
@@ -0,0 +1,96 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage,
+  BodyStringDivider,
+  ProtocolNotification
+} from '@ucap-webmessenger/protocol';
+import { StatusType, StatusCode } from '@ucap-webmessenger/core';
+
+export interface StatusRequest extends ProtocolRequest {
+  // 상태타입(s)
+  statusDivisionType: StatusType;
+  // 상태코드(s)
+  statusType: StatusCode;
+  // 상태메시지(s) (상태타입 : M, 상태코드: B 일때, 사용함)
+  statusMessage?: string;
+}
+
+export interface StatusResponse extends ProtocolResponse {
+  // 상태타입(s)
+  statusDivisionType: StatusType;
+  // 상태코드(s)
+  statusType: StatusCode;
+  // 상태메시지(s) (상태타입 : M, 상태코드: B 일때, 사용함)
+  statusMessage: string;
+}
+
+export interface StatusInfo {
+  // 사용자SEQ
+  userSeq: number;
+  // 상태코드(PC)
+  pcStatus: StatusCode;
+  // 상태코드(통화)
+  phoneStatus: StatusCode;
+  // 상태코드(모바일)
+  mobileStatus: StatusCode;
+  // 상태코드(PC화상)
+  conferenceStatus: StatusCode;
+  // 상태메시지
+  statusMessage: string;
+  // 상태코드(Mobile화상)
+  mobileConferenceStatus: StatusCode;
+  // 상태코드(iMessenger)
+  imessengerStatus: StatusCode;
+}
+export interface StatusNotification extends StatusInfo, ProtocolNotification {}
+
+export const encodeStatus: ProtocolEncoder<StatusRequest> = (
+  req: StatusRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    {
+      type: PacketBodyValue.String,
+      value: req.statusDivisionType
+    },
+    { type: PacketBodyValue.String, value: req.statusType },
+    {
+      type: PacketBodyValue.String,
+      value: req.statusMessage || ''
+    }
+  );
+  return bodyList;
+};
+
+export const decodeStatus: ProtocolDecoder<StatusResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    statusDivisionType: message.bodyList[0] as StatusType,
+    statusType: message.bodyList[1] as StatusCode,
+    statusMessage: message.bodyList[2]
+  } as StatusResponse;
+};
+
+export const decodeStatusNotification: ProtocolDecoder<StatusNotification> = (
+  message: ProtocolMessage
+) => {
+  const info = message.bodyList[0].split(BodyStringDivider);
+  let idx = 0;
+  return {
+    userSeq: Number(info[idx]),
+    pcStatus: info[idx++] as StatusCode,
+    phoneStatus: info[idx++] as StatusCode,
+    mobileStatus: info[idx++] as StatusCode,
+    conferenceStatus: info[idx++] as StatusCode,
+    statusMessage: info[idx++],
+    mobileConferenceStatus: info[idx++] as StatusCode,
+    imessengerStatus: info[idx++] as StatusCode
+  } as StatusNotification;
+};
diff --git a/projects/ucap-webmessenger-protocol-status/src/lib/models/subscribe.ts b/projects/ucap-webmessenger-protocol-status/src/lib/models/subscribe.ts
new file mode 100644
index 00000000..f96a47ff
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-status/src/lib/models/subscribe.ts
@@ -0,0 +1,93 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage,
+  BodyStringDivider,
+  ProtocolStream
+} from '@ucap-webmessenger/protocol';
+import { StatusCode } from '@ucap-webmessenger/core';
+import { StatusInfo } from './status';
+
+export interface SubscribeRequest extends ProtocolRequest {
+  // 사용자SEQ(n)...
+  userSeqs: number[];
+}
+
+export interface SubscribeResponse extends ProtocolResponse {
+  // {상태정보}...
+  statusInfos: StatusInfo[];
+}
+
+/**
+ * @deprecated not support server
+ */
+export interface SubscribeData extends ProtocolStream {
+  // {상태정보}...
+  statusInfos: StatusInfo[];
+}
+
+export const encodeSubscribe: ProtocolEncoder<SubscribeRequest> = (
+  req: SubscribeRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  req.userSeqs.forEach(userSeq => {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  });
+  return bodyList;
+};
+
+export const decodeSubscribe: ProtocolDecoder<SubscribeResponse> = (
+  message: ProtocolMessage
+) => {
+  const statusInfos: StatusInfo[] = [];
+  message.bodyList.forEach(statusInfo => {
+    const info = statusInfo.split(BodyStringDivider);
+    let idx = 0;
+    statusInfos.push({
+      userSeq: Number(info[idx]),
+      pcStatus: info[idx++] as StatusCode,
+      phoneStatus: info[idx++] as StatusCode,
+      mobileStatus: info[idx++] as StatusCode,
+      conferenceStatus: info[idx++] as StatusCode,
+      statusMessage: info[idx++],
+      mobileConferenceStatus: info[idx++] as StatusCode,
+      imessengerStatus: info[idx++] as StatusCode
+    });
+  });
+  return {
+    statusInfos
+  } as SubscribeResponse;
+};
+
+/**
+ * @deprecated not support server
+ */
+// tslint:disable-next-line: deprecation
+export const decodeSubscribeData: ProtocolDecoder<SubscribeData> = (
+  message: ProtocolMessage
+) => {
+  const statusInfos: StatusInfo[] = [];
+  message.bodyList.forEach(statusInfo => {
+    const info = statusInfo.split(BodyStringDivider);
+    let idx = 0;
+    statusInfos.push({
+      userSeq: Number(info[idx]),
+      pcStatus: info[idx++] as StatusCode,
+      phoneStatus: info[idx++] as StatusCode,
+      mobileStatus: info[idx++] as StatusCode,
+      conferenceStatus: info[idx++] as StatusCode,
+      statusMessage: info[idx++],
+      mobileConferenceStatus: info[idx++] as StatusCode,
+      imessengerStatus: info[idx++] as StatusCode
+    });
+  });
+  return {
+    statusInfos
+    // tslint:disable-next-line: deprecation
+  } as SubscribeData;
+};
diff --git a/projects/ucap-webmessenger-protocol-status/src/lib/models/unsubscribe.ts b/projects/ucap-webmessenger-protocol-status/src/lib/models/unsubscribe.ts
new file mode 100644
index 00000000..d4bc92cb
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-status/src/lib/models/unsubscribe.ts
@@ -0,0 +1,29 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue
+} from '@ucap-webmessenger/protocol';
+import { StatusInfo } from './status';
+
+export interface UnSubscribeRequest extends ProtocolRequest {
+  // 사용자SEQ(n)...
+  userSeqs: number[];
+}
+
+export interface UnSubscribeResponse extends ProtocolResponse {
+  // {상태정보}...
+  statusInfos: StatusInfo[];
+}
+
+export const encodeUnSubscribe: ProtocolEncoder<UnSubscribeRequest> = (
+  req: UnSubscribeRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  req.userSeqs.forEach(userSeq => {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  });
+  return bodyList;
+};
diff --git a/projects/ucap-webmessenger-protocol-status/src/lib/services/status-protocol.service.ts b/projects/ucap-webmessenger-protocol-status/src/lib/services/status-protocol.service.ts
index d6ee341a..04c41a72 100644
--- a/projects/ucap-webmessenger-protocol-status/src/lib/services/status-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-status/src/lib/services/status-protocol.service.ts
@@ -1,8 +1,151 @@
 import { Injectable } from '@angular/core';
 
+import { Observable } from 'rxjs';
+import { map, take, takeWhile } from 'rxjs/operators';
+
+import { ProtocolService } from '@ucap-webmessenger/protocol';
+import {
+  StatusRequest,
+  encodeStatus,
+  decodeStatus,
+  StatusResponse
+} from '../models/status';
+import {
+  SVC_TYPE_STATUS,
+  SSVC_TYPE_STATUS_REQ,
+  SSVC_TYPE_STATUS_BULK_INFO_REQ,
+  SSVC_TYPE_STATUS_BULK_INFO_RES,
+  SSVC_TYPE_STATUS_BULK_INFO_DATA,
+  SSVC_TYPE_STATUS_BUDDY_REQ,
+  SSVC_TYPE_STATUS_MSG_UPD_REQ,
+  SSVC_TYPE_STATUS_SUBSCRIPT_REQ,
+  SSVC_TYPE_STATUS_UNSUBSCRIPT_REQ
+} from '../types/service';
+import {
+  BulkInfoRequest,
+  BulkInfoResponse,
+  BulkInfoData,
+  encodeBulkInfo,
+  decodeBulkInfo,
+  decodeBulkInfoData
+} from '../models/bulk';
+import { BuddyResponse, decodeBuddy } from '../models/buddy';
+import {
+  MessageUpdateRequest,
+  MessageUpdateResponse,
+  encodeMessageUpdate,
+  decodeMessageUpdate
+} from '../models/message-update';
+import {
+  SubscribeRequest,
+  SubscribeResponse,
+  decodeSubscribe,
+  encodeSubscribe
+} from '../models/subscribe';
+import { UnSubscribeRequest, encodeUnSubscribe } from '../models/unsubscribe';
+
 @Injectable({
   providedIn: 'root'
 })
 export class StatusProtocolService {
-  constructor() {}
+  constructor(private protocolService: ProtocolService) {}
+
+  public status(req: StatusRequest): Observable<StatusResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_STATUS, SSVC_TYPE_STATUS_REQ, ...encodeStatus(req))
+      .pipe(
+        take(1),
+        map(res => {
+          return decodeStatus(res);
+        })
+      );
+  }
+
+  public buddy(): Observable<BuddyResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_STATUS, SSVC_TYPE_STATUS_BUDDY_REQ)
+      .pipe(
+        take(1),
+        map(res => {
+          return decodeBuddy(res);
+        })
+      );
+  }
+
+  public bulkInfo(
+    req: BulkInfoRequest
+  ): Observable<BulkInfoResponse | BulkInfoData> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_STATUS,
+        SSVC_TYPE_STATUS_BULK_INFO_REQ,
+        ...encodeBulkInfo(req)
+      )
+      .pipe(
+        takeWhile(
+          res => SSVC_TYPE_STATUS_BULK_INFO_RES !== res.subServiceType,
+          true
+        ),
+        map(res => {
+          if (SSVC_TYPE_STATUS_BULK_INFO_DATA === res.subServiceType) {
+            return {
+              ...decodeBulkInfoData(res),
+              Type: SSVC_TYPE_STATUS_BULK_INFO_DATA
+            };
+          }
+          return {
+            ...decodeBulkInfo(res),
+            Type: SSVC_TYPE_STATUS_BULK_INFO_RES
+          };
+        })
+      );
+  }
+
+  public messageUpdate(
+    req: MessageUpdateRequest
+  ): Observable<MessageUpdateResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_STATUS,
+        SSVC_TYPE_STATUS_MSG_UPD_REQ,
+        ...encodeMessageUpdate(req)
+      )
+      .pipe(
+        take(1),
+        map(res => {
+          return decodeMessageUpdate(res);
+        })
+      );
+  }
+
+  /**
+   * Only Use 1:1 Chat Room and must be using unsubscribe method.
+   * @param req SubscribeRequest
+   */
+  public subscribe(req: SubscribeRequest): Observable<SubscribeResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_STATUS,
+        SSVC_TYPE_STATUS_SUBSCRIPT_REQ,
+        ...encodeSubscribe(req)
+      )
+      .pipe(
+        take(1),
+        map(res => {
+          return decodeSubscribe(res);
+        })
+      );
+  }
+
+  /**
+   * Only Use 1:1 Chat Room and must be using subscribe method.
+   * @param req UnSubscribeRequest
+   */
+  public unSubscribe(req: UnSubscribeRequest): void {
+    return this.protocolService.send(
+      SVC_TYPE_STATUS,
+      SSVC_TYPE_STATUS_UNSUBSCRIPT_REQ,
+      ...encodeUnSubscribe(req)
+    );
+  }
 }
diff --git a/projects/ucap-webmessenger-protocol-status/src/lib/types/message-index.type.ts b/projects/ucap-webmessenger-protocol-status/src/lib/types/message-index.type.ts
new file mode 100644
index 00000000..664a563d
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-status/src/lib/types/message-index.type.ts
@@ -0,0 +1,5 @@
+export enum MessageIndexType {
+  First = 1,
+  Second = 2,
+  Third = 3
+}
diff --git a/projects/ucap-webmessenger-protocol-status/src/lib/types/service.ts b/projects/ucap-webmessenger-protocol-status/src/lib/types/service.ts
new file mode 100644
index 00000000..f31754a1
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-status/src/lib/types/service.ts
@@ -0,0 +1,18 @@
+export const SVC_TYPE_STATUS = 3; // 상태
+export const SSVC_TYPE_STATUS_REQ = 1; // 상태변경 요청
+export const SSVC_TYPE_STATUS_RES = 2; // 상태변경 응답
+export const SSVC_TYPE_STATUS_NOTI = 3; // 상태변경 알림
+export const SSVC_TYPE_STATUS_BUDDY_REQ = 11; // 친구상태정보요청
+export const SSVC_TYPE_STATUS_BUDDY_RES = 12; // 친구상태정보응답
+export const SSVC_TYPE_STATUS_SUBSCRIPT_REQ = 31; // 구독 요청
+export const SSVC_TYPE_STATUS_SUBSCRIPT_DATA = 32; // 구독 요청한 사용자상태
+export const SSVC_TYPE_STATUS_SUBSCRIPT_RES = 33; // 구독 응답
+export const SSVC_TYPE_STATUS_UNSUBSCRIPT_REQ = 34; // 구독 해지 요청
+export const SSVC_TYPE_STATUS_UNSUBSCRIPT_RES = 35; // 구독 해지 응답
+export const SSVC_TYPE_STATUS_MSG_UPD_REQ = 41; // 상태 메시지 요청
+export const SSVC_TYPE_STATUS_MSG_UPD_RES = 42; // 상태 메시지 응답
+export const SSVC_TYPE_STATUS_BULK_REQ = 51; // 상태변경 Bulk 요청
+export const SSVC_TYPE_STATUS_BULK_RES = 53; // 상태변경 Bulk 응답
+export const SSVC_TYPE_STATUS_BULK_INFO_REQ = 54; // 상태정보요청 Bulk 요청
+export const SSVC_TYPE_STATUS_BULK_INFO_DATA = 55; // 상태정보요청 Bulk 정보
+export const SSVC_TYPE_STATUS_BULK_INFO_RES = 56; // 상태정보요청 Bulk 응답
diff --git a/projects/ucap-webmessenger-protocol-status/src/lib/types/terminal-status.type.ts b/projects/ucap-webmessenger-protocol-status/src/lib/types/terminal-status.type.ts
new file mode 100644
index 00000000..80b92be4
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-status/src/lib/types/terminal-status.type.ts
@@ -0,0 +1,25 @@
+export enum TerminalStatusInfo {
+  // TERMINAL_STATE_UNKNOWN   0
+  Unknown = 'TERMINAL_STATE_UNKNOWN',
+  // TERMINAL_STATE_IDLE   1
+  Idle = 'TERMINAL_STATE_IDLE',
+  // TERMINAL_STATE_BUSY   2
+  Busy = 'TERMINAL_STATE_BUSY',
+  // TERMINAL_STATE_HELD   3
+  Held = 'TERMINAL_STATE_HELD',
+  // TERMINAL_STATE_ALERTING   4
+  Alerting = 'TERMINAL_STATE_ALERTING'
+}
+
+export enum TerminalStatusNumber {
+  // TERMINAL_STATE_UNKNOWN   0
+  Unknown = 0,
+  // TERMINAL_STATE_IDLE   1
+  Idle = 1,
+  // TERMINAL_STATE_BUSY   2
+  Busy = 2,
+  // TERMINAL_STATE_HELD   3
+  Held = 3,
+  // TERMINAL_STATE_ALERTING   4
+  Alerting = 4
+}
diff --git a/projects/ucap-webmessenger-protocol-status/src/public-api.ts b/projects/ucap-webmessenger-protocol-status/src/public-api.ts
index 9a2a652f..037c6d9b 100644
--- a/projects/ucap-webmessenger-protocol-status/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-status/src/public-api.ts
@@ -2,6 +2,17 @@
  * Public API Surface of ucap-webmessenger-protocol-status
  */
 
+export * from './lib/models/buddy';
+export * from './lib/models/bulk';
+export * from './lib/models/message-update';
+export * from './lib/models/status';
+export * from './lib/models/subscribe';
+export * from './lib/models/unsubscribe';
+
 export * from './lib/services/status-protocol.service';
 
+export * from './lib/types/message-index.type';
+export * from './lib/types/service';
+export * from './lib/types/terminal-status.type';
+
 export * from './lib/ucap-status-protocol.module';
diff --git a/projects/ucap-webmessenger-protocol-sync/src/lib/models/group.ts b/projects/ucap-webmessenger-protocol-sync/src/lib/models/group.ts
index 62d0dd11..95e9b49f 100644
--- a/projects/ucap-webmessenger-protocol-sync/src/lib/models/group.ts
+++ b/projects/ucap-webmessenger-protocol-sync/src/lib/models/group.ts
@@ -70,7 +70,7 @@ export const decodeGroupData: ProtocolDecoder<GroupData> = (
   message.bodyList.forEach(buddyinfo => {
     const info = buddyinfo.split(BodyStringDivider);
     groupInfos.push({
-      seq: info[0],
+      seq: Number(info[0]),
       name: info[1],
       isActive: info[2] === 'Y' ? true : false,
       userSeqStr: info[3]
diff --git a/projects/ucap-webmessenger-protocol-sync/src/lib/models/room.ts b/projects/ucap-webmessenger-protocol-sync/src/lib/models/room.ts
index 612dd4b9..4410721d 100644
--- a/projects/ucap-webmessenger-protocol-sync/src/lib/models/room.ts
+++ b/projects/ucap-webmessenger-protocol-sync/src/lib/models/room.ts
@@ -80,11 +80,11 @@ export const decodeRoomData: ProtocolDecoder<RoomData> = (
         finalEventType: info[3] as EventType,
         finalEventMessage: info[4],
         finalEventDate: info[5],
-        joinUserCount: info[6],
-        noReadCnt: info[7],
+        joinUserCount: Number(info[6]),
+        noReadCnt: Number(info[7]),
         isAlarm: info[8] !== 'N' ? true : false,
         isJoinRoom: info[9] === 'Y' ? true : false,
-        expiredFileStdSeq: info[10],
+        expiredFileStdSeq: Number(info[10]),
         isTimeRoom: info[11] === 'Y' ? true : false,
         timeRoomInterval: info[11] !== 'Y' ? 0 : info[12] || 0
       });
@@ -104,11 +104,11 @@ export const decodeRoomUserData: ProtocolDecoder<RoomUserData> = (
   message.bodyList.slice(1).forEach(userInfo => {
     const info = userInfo.split(BodyStringDivider);
     userInfos.push({
-      seq: info[0],
+      seq: Number(info[0]),
       name: info[1],
       profileImageFile: info[2],
       isJoinRoom: info[3],
-      lastReadEventSeq: info[4],
+      lastReadEventSeq: Number(info[4]),
       madn: info[5],
       hardSadn: info[6],
       fmcSadn: info[7],
@@ -134,7 +134,7 @@ export const decodeRoomUserDataDetail: ProtocolDecoder<RoomUserDetailData> = (
   message.bodyList.slice(1).forEach(userInfo => {
     const info = userInfo.split(BodyStringDivider);
     userInfos.push({
-      seq: info[0],
+      seq: Number(info[0]),
       name: info[1],
       profileImageFile: info[2],
       grade: info[3],