diff --git a/projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-add.ts b/projects/ucap-webmessenger-protocol-buddy/src/lib/models/add.ts
similarity index 100%
rename from projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-add.ts
rename to projects/ucap-webmessenger-protocol-buddy/src/lib/models/add.ts
diff --git a/projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-del.ts b/projects/ucap-webmessenger-protocol-buddy/src/lib/models/del.ts
similarity index 100%
rename from projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-del.ts
rename to projects/ucap-webmessenger-protocol-buddy/src/lib/models/del.ts
diff --git a/projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-update.ts b/projects/ucap-webmessenger-protocol-buddy/src/lib/models/update.ts
similarity index 100%
rename from projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-update.ts
rename to projects/ucap-webmessenger-protocol-buddy/src/lib/models/update.ts
diff --git a/projects/ucap-webmessenger-protocol-buddy/src/lib/services/buddy-protocol.service.ts b/projects/ucap-webmessenger-protocol-buddy/src/lib/services/buddy-protocol.service.ts
index 365fd17c..adc52dc7 100644
--- a/projects/ucap-webmessenger-protocol-buddy/src/lib/services/buddy-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-buddy/src/lib/services/buddy-protocol.service.ts
@@ -17,19 +17,19 @@ import {
   encodeBuddyAdd,
   decodeBuddyAdd,
   BuddyAddResponse
-} from '../models/buddy-add';
+} from '../models/add';
 import {
   BuddyDelRequest,
   encodeBuddyDel,
   decodeBuddyDel,
   BuddyDelResponse
-} from '../models/buddy-del';
+} from '../models/del';
 import {
   BuddyUpdateRequest,
   decodeBuddyUpdate,
   encodeBuddyUpdate,
   BuddyUpdateResponse
-} from '../models/buddy-update';
+} from '../models/update';
 
 @Injectable({
   providedIn: 'root'
diff --git a/projects/ucap-webmessenger-protocol-buddy/src/public-api.ts b/projects/ucap-webmessenger-protocol-buddy/src/public-api.ts
index 90da4389..826985ea 100644
--- a/projects/ucap-webmessenger-protocol-buddy/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-buddy/src/public-api.ts
@@ -1,9 +1,9 @@
 /*
  * Public API Surface of ucap-webmessenger-protocol-buddy
  */
-export * from './lib/models/buddy-add';
-export * from './lib/models/buddy-del';
-export * from './lib/models/buddy-update';
+export * from './lib/models/add';
+export * from './lib/models/del';
+export * from './lib/models/update';
 
 export * from './lib/services/buddy-protocol.service';
 
diff --git a/projects/ucap-webmessenger-protocol-group/src/lib/models/group-add.ts b/projects/ucap-webmessenger-protocol-group/src/lib/models/add.ts
similarity index 100%
rename from projects/ucap-webmessenger-protocol-group/src/lib/models/group-add.ts
rename to projects/ucap-webmessenger-protocol-group/src/lib/models/add.ts
diff --git a/projects/ucap-webmessenger-protocol-group/src/lib/models/group-del.ts b/projects/ucap-webmessenger-protocol-group/src/lib/models/del.ts
similarity index 100%
rename from projects/ucap-webmessenger-protocol-group/src/lib/models/group-del.ts
rename to projects/ucap-webmessenger-protocol-group/src/lib/models/del.ts
diff --git a/projects/ucap-webmessenger-protocol-group/src/lib/models/group-update.ts b/projects/ucap-webmessenger-protocol-group/src/lib/models/update.ts
similarity index 100%
rename from projects/ucap-webmessenger-protocol-group/src/lib/models/group-update.ts
rename to projects/ucap-webmessenger-protocol-group/src/lib/models/update.ts
diff --git a/projects/ucap-webmessenger-protocol-group/src/lib/services/group-protocol.service.ts b/projects/ucap-webmessenger-protocol-group/src/lib/services/group-protocol.service.ts
index 9649ad8a..57079fcc 100644
--- a/projects/ucap-webmessenger-protocol-group/src/lib/services/group-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-group/src/lib/services/group-protocol.service.ts
@@ -9,7 +9,7 @@ import {
   encodeGroupAdd,
   decodeGroupAdd,
   GroupAddResponse
-} from '../models/group-add';
+} from '../models/add';
 import {
   SVC_TYPE_GROUP,
   SSVC_TYPE_GROUP_ADD_REQ,
@@ -22,7 +22,7 @@ import {
   encodeGroupDel,
   decodeGroupDel,
   GroupDelResponse
-} from '../models/group-del';
+} from '../models/del';
 import {
   GroupUpdateRequest,
   encodeGroupUpdate,
@@ -30,7 +30,7 @@ import {
   encodeGroupUpdate2,
   decodeGroupUpdate2,
   GroupUpdateResponse
-} from '../models/group-update';
+} from '../models/update';
 @Injectable({
   providedIn: 'root'
 })
diff --git a/projects/ucap-webmessenger-protocol-group/src/public-api.ts b/projects/ucap-webmessenger-protocol-group/src/public-api.ts
index 766deaca..517ea747 100644
--- a/projects/ucap-webmessenger-protocol-group/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-group/src/public-api.ts
@@ -1,9 +1,9 @@
 /*
  * Public API Surface of ucap-webmessenger-protocol-group
  */
-export * from './lib/models/group-add';
-export * from './lib/models/group-del';
-export * from './lib/models/group-update';
+export * from './lib/models/add';
+export * from './lib/models/del';
+export * from './lib/models/update';
 
 export * from './lib/services/group-protocol.service';
 
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/exit.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/exit.ts
new file mode 100644
index 00000000..733e78bb
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/models/exit.ts
@@ -0,0 +1,123 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+import { RoomExitType } from '../types/room.type';
+
+export interface RoomExitRequest extends ProtocolRequest {
+  // 대화방SEQ(s)
+  roomSeq: string;
+}
+
+export interface RoomExitResponse extends ProtocolResponse {
+  // 대화방SEQ(s)
+  roomSeq: string;
+}
+
+export const encodeRoomExit: ProtocolEncoder<RoomExitRequest> = (
+  req: RoomExitRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomSeq });
+  return bodyList;
+};
+
+export const decodeRoomExit: ProtocolDecoder<RoomExitResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    roomSeq: message.bodyList[0]
+  } as RoomExitResponse;
+};
+export const decodeRoomExitNotification: ProtocolDecoder<RoomExitResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    roomSeq: message.bodyList[0]
+  } as RoomExitResponse;
+};
+
+export interface RoomExitAllRequest extends ProtocolRequest {
+  // 대화방SEQ(s)
+  roomSeq: string[];
+}
+
+export const encodeRoomAllExit: ProtocolEncoder<RoomExitAllRequest> = (
+  req: RoomExitAllRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomSeq.join(',') });
+  return bodyList;
+};
+
+export interface RoomExitForcingRequest extends ProtocolRequest {
+  // 대화방SEQ(s)
+  roomSeq: string;
+  // 강퇴요청타입(s)
+  type: string;
+  // sender사용자SEQ(n)
+  senderSeq: number;
+  // 사용자SEQ(n)...
+  userSeqs: number[];
+}
+
+export interface RoomExitForcingResponse extends ProtocolRequest {
+  // 대화방SEQ(s)
+  roomSeq: string;
+  // 강퇴요청타입(s)
+  type: RoomExitType;
+  // sender사용자SEQ(n)
+  senderSeq: number;
+  // 사용자SEQ(n)...
+  userSeqs: number[];
+}
+
+export const encodeRoomExitForcing: ProtocolEncoder<RoomExitForcingRequest> = (
+  req: RoomExitForcingRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomSeq });
+  bodyList.push({ type: PacketBodyValue.String, value: req.type });
+  bodyList.push({ type: PacketBodyValue.Integer, value: req.senderSeq });
+  req.userSeqs.forEach(userSeq => {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  });
+  return bodyList;
+};
+
+export const decodeRoomExitForcing: ProtocolDecoder<RoomExitForcingResponse> = (
+  message: ProtocolMessage
+) => {
+  let userSeqs: number[] = [];
+  if (message.bodyList.length > 3) {
+    userSeqs = message.bodyList.slice(3);
+  }
+  return {
+    roomSeq: message.bodyList[0],
+    type: message.bodyList[1] as RoomExitType,
+    senderSeq: message.bodyList[2],
+    userSeqs
+  } as RoomExitForcingResponse;
+};
+export const decodeRoomExitForcingNotification: ProtocolDecoder<
+  RoomExitForcingResponse
+> = (message: ProtocolMessage) => {
+  let userSeqs: number[] = [];
+  if (message.bodyList.length > 3) {
+    userSeqs = message.bodyList.slice(3);
+  }
+  return {
+    roomSeq: message.bodyList[0],
+    type: message.bodyList[1] as RoomExitType,
+    senderSeq: message.bodyList[2],
+    userSeqs
+  } as RoomExitForcingResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-info.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/info.ts
similarity index 89%
rename from projects/ucap-webmessenger-protocol-room/src/lib/models/room-info.ts
rename to projects/ucap-webmessenger-protocol-room/src/lib/models/info.ts
index a76dd4ac..8afcf2f3 100644
--- a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-info.ts
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/models/info.ts
@@ -203,7 +203,7 @@ export const decodeRoomInfoData: ProtocolDecoder<RoomInfoDataResponse> = (
     if (info.length > 11) {
       roomInfo = {
         roomSeq: info[0],
-        roomType: info[1],
+        roomType: info[1] as RoomType,
         roomName: info[2],
         finalEventType: info[3] as EventType,
         finalEventMessage: info[4],
@@ -300,3 +300,35 @@ export const decodeRoomUserData: ProtocolDecoder<RoomUserDataResponse> = (
     userInfos
   } as RoomUserDataResponse;
 };
+
+export interface RoomUserStatusOfflineRequest extends ProtocolRequest {
+  // 대화방SEQ(s)
+  roomSeq: string;
+}
+
+export interface RoomUserStatusOfflineResponse extends ProtocolResponse {
+  // 대화방SEQ(s)
+  roomSeq: string;
+  // 사용자SEQ(n)...
+  userSeqs: number[];
+}
+export const encodeRoomUserStatusOffline: ProtocolEncoder<
+  RoomUserStatusOfflineRequest
+> = (req: RoomUserStatusOfflineRequest) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomSeq });
+  return bodyList;
+};
+export const decodeRoomUserStatusOffline: ProtocolDecoder<
+  RoomUserStatusOfflineResponse
+> = (message: ProtocolMessage) => {
+  let userSeqs: number[] = [];
+  if (message.bodyList.length > 1) {
+    userSeqs = message.bodyList.slice(1);
+  }
+  return {
+    roomSeq: message.bodyList[0],
+    userSeqs
+  } as RoomUserStatusOfflineResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-invite.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/invite.ts
similarity index 100%
rename from projects/ucap-webmessenger-protocol-room/src/lib/models/room-invite.ts
rename to projects/ucap-webmessenger-protocol-room/src/lib/models/invite.ts
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/open.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/open.ts
new file mode 100644
index 00000000..bc000b6d
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/models/open.ts
@@ -0,0 +1,220 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface RoomOpenRequest extends ProtocolRequest {
+  // 0. 구분자
+  divCd: string;
+  // 1n. 초대자 userSeq(n)...
+  userSeqs: number[];
+}
+
+export interface RoomOpenResponse extends ProtocolResponse {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방SEQ(s)
+  roomSeq: string;
+  // 2.	신규여부(y)
+  newRoom: boolean;
+}
+
+export const encodeRoomOpen: ProtocolEncoder<RoomOpenRequest> = (
+  req: RoomOpenRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
+  for (const userSeq of req.userSeqs) {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  }
+
+  return bodyList;
+};
+
+export const decodeRoomOpen: ProtocolDecoder<RoomOpenResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    divCd: message.bodyList[0],
+    roomSeq: message.bodyList[1],
+    newRoom: message.bodyList[2] === 'Y' ? true : false
+  } as RoomOpenResponse;
+};
+
+export interface RoomOpen2Request extends ProtocolRequest {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방제목(s)
+  roomName: string;
+  // 2n. 초대자 userSeq(n)...
+  userSeqs: number[];
+}
+
+export interface RoomOpen2Response extends ProtocolResponse {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방제목(s)
+  roomName: string;
+  // 2. 대화방SEQ(s)
+  roomSeq: string;
+  // 3.	신규여부(y)
+  newRoom: boolean;
+}
+
+export const encodeRoomOpen2: ProtocolEncoder<RoomOpen2Request> = (
+  req: RoomOpen2Request
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomName.trim() });
+  for (const userSeq of req.userSeqs) {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  }
+
+  return bodyList;
+};
+
+export const decodeRoomOpen2: ProtocolDecoder<RoomOpen2Response> = (
+  message: ProtocolMessage
+) => {
+  return {
+    divCd: message.bodyList[0],
+    roomName: message.bodyList[1],
+    roomSeq: message.bodyList[2],
+    newRoom: message.bodyList[3] === 'Y' ? true : false
+  } as RoomOpen2Response;
+};
+
+export interface RoomOpen3Request extends ProtocolRequest {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방제목(s)
+  roomName: string;
+  // 2. 타이머대화방여부YN(s)
+  isTimerRoom: boolean;
+  // 3. 타이머시간(n)
+  timerRoomInterval: number;
+  // 4n. 초대자 userSeq(n)...
+  userSeqs: number[];
+}
+
+export interface RoomOpen3Response extends ProtocolResponse {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방제목(s)
+  roomName: string;
+  // 2. 대화방SEQ(s)
+  roomSeq: string;
+  // 3.	신규여부(y)
+  newRoom: boolean;
+  // 4. 타이머대화방여부YN(s)
+  isTimerRoom: boolean;
+  // 5. 타이머시간(n)
+  timerRoomInterval: number;
+}
+
+export const encodeRoomOpen3: ProtocolEncoder<RoomOpen3Request> = (
+  req: RoomOpen3Request
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomName.trim() });
+  bodyList.push({
+    type: PacketBodyValue.String,
+    value: req.isTimerRoom === true ? 'Y' : 'N'
+  });
+  bodyList.push({
+    type: PacketBodyValue.Integer,
+    value: req.isTimerRoom !== true ? 0 : req.timerRoomInterval
+  });
+  for (const userSeq of req.userSeqs) {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  }
+
+  return bodyList;
+};
+
+export const decodeRoomOpen3: ProtocolDecoder<RoomOpen3Response> = (
+  message: ProtocolMessage
+) => {
+  return {
+    divCd: message.bodyList[0],
+    roomName: message.bodyList[1],
+    roomSeq: message.bodyList[2],
+    newRoom: message.bodyList[3] === 'Y' ? true : false,
+    isTimerRoom: message.bodyList[4] === 'Y' ? true : false,
+    timerRoomInterval: message.bodyList[5] || 0
+  } as RoomOpen3Response;
+};
+
+export interface RoomOpen4Request extends ProtocolRequest {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방제목(s)
+  roomName: string;
+  // 2. 타이머대화방여부YN(s)
+  isTimerRoom: boolean;
+  // 3. 타이머시간(n)
+  timerRoomInterval: number;
+  // 4n. 초대자 userSeq(n)...
+  userSeqs: number[];
+}
+
+export interface RoomOpen4Response extends ProtocolResponse {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방제목(s)
+  roomName: string;
+  // 2. 대화방SEQ(s)
+  roomSeq: string;
+  // 3.	신규여부(y)
+  newRoom: boolean;
+  // 4. 타이머대화방여부YN(s)
+  isTimerRoom: boolean;
+  // 5. 타이머시간(n)
+  timerRoomInterval: number;
+}
+
+export const encodeRoomOpen4: ProtocolEncoder<RoomOpen4Request> = (
+  req: RoomOpen4Request
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomName.trim() });
+  bodyList.push({
+    type: PacketBodyValue.String,
+    value: req.isTimerRoom === true ? 'Y' : 'N'
+  });
+  bodyList.push({
+    type: PacketBodyValue.Integer,
+    value: req.isTimerRoom !== true ? 0 : req.timerRoomInterval
+  });
+  for (const userSeq of req.userSeqs) {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  }
+
+  return bodyList;
+};
+
+export const decodeRoomOpen4: ProtocolDecoder<RoomOpen4Response> = (
+  message: ProtocolMessage
+) => {
+  return {
+    divCd: message.bodyList[0],
+    roomName: message.bodyList[1],
+    roomSeq: message.bodyList[2],
+    newRoom: message.bodyList[3] === 'Y' ? true : false,
+    isTimerRoom: message.bodyList[4] === 'Y' ? true : false,
+    timerRoomInterval:
+      message.bodyList[4] !== 'Y' ? 0 : message.bodyList[5] || 0
+  } as RoomOpen4Response;
+};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open.ts
deleted file mode 100644
index f3c334a3..00000000
--- a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open.ts
+++ /dev/null
@@ -1,48 +0,0 @@
-import {
-  ProtocolRequest,
-  ProtocolResponse,
-  ProtocolEncoder,
-  PacketBody,
-  PacketBodyValue,
-  ProtocolDecoder,
-  ProtocolMessage
-} from '@ucap-webmessenger/protocol';
-
-export interface RoomOpenRequest extends ProtocolRequest {
-  // 0. 구분자
-  divCd: string;
-  // 1n. 초대자 userSeq(n)...
-  userSeqs: number[];
-}
-
-export interface RoomOpenResponse extends ProtocolResponse {
-  // 0. 구분자
-  divCd: string;
-  // 1. 대화방SEQ(s)
-  roomSeq: string;
-  // 2.	신규여부(y)
-  newRoom: boolean;
-}
-
-export const encodeRoomOpen: ProtocolEncoder<RoomOpenRequest> = (
-  req: RoomOpenRequest
-) => {
-  const bodyList: PacketBody[] = [];
-
-  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
-  for (const userSeq of req.userSeqs) {
-    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
-  }
-
-  return bodyList;
-};
-
-export const decodeRoomOpen: ProtocolDecoder<RoomOpenResponse> = (
-  message: ProtocolMessage
-) => {
-  return {
-    divCd: message.bodyList[0],
-    roomSeq: message.bodyList[1],
-    newRoom: message.bodyList[2] === 'Y' ? true : false
-  } as RoomOpenResponse;
-};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open2.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open2.ts
deleted file mode 100644
index cc148195..00000000
--- a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open2.ts
+++ /dev/null
@@ -1,54 +0,0 @@
-import {
-  ProtocolRequest,
-  ProtocolResponse,
-  ProtocolEncoder,
-  PacketBody,
-  PacketBodyValue,
-  ProtocolDecoder,
-  ProtocolMessage
-} from '@ucap-webmessenger/protocol';
-
-export interface RoomOpen2Request extends ProtocolRequest {
-  // 0. 구분자
-  divCd: string;
-  // 1. 대화방제목(s)
-  roomName: string;
-  // 2n. 초대자 userSeq(n)...
-  userSeqs: number[];
-}
-
-export interface RoomOpen2Response extends ProtocolResponse {
-  // 0. 구분자
-  divCd: string;
-  // 1. 대화방제목(s)
-  roomName: string;
-  // 2. 대화방SEQ(s)
-  roomSeq: string;
-  // 3.	신규여부(y)
-  newRoom: boolean;
-}
-
-export const encodeRoomOpen2: ProtocolEncoder<RoomOpen2Request> = (
-  req: RoomOpen2Request
-) => {
-  const bodyList: PacketBody[] = [];
-
-  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
-  bodyList.push({ type: PacketBodyValue.String, value: req.roomName.trim() });
-  for (const userSeq of req.userSeqs) {
-    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
-  }
-
-  return bodyList;
-};
-
-export const decodeRoomOpen2: ProtocolDecoder<RoomOpen2Response> = (
-  message: ProtocolMessage
-) => {
-  return {
-    divCd: message.bodyList[0],
-    roomName: message.bodyList[1],
-    roomSeq: message.bodyList[2],
-    newRoom: message.bodyList[3] === 'Y' ? true : false
-  } as RoomOpen2Response;
-};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open3.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open3.ts
deleted file mode 100644
index ddf7d4bf..00000000
--- a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open3.ts
+++ /dev/null
@@ -1,72 +0,0 @@
-import {
-  ProtocolRequest,
-  ProtocolResponse,
-  ProtocolEncoder,
-  PacketBody,
-  PacketBodyValue,
-  ProtocolDecoder,
-  ProtocolMessage
-} from '@ucap-webmessenger/protocol';
-
-export interface RoomOpen3Request extends ProtocolRequest {
-  // 0. 구분자
-  divCd: string;
-  // 1. 대화방제목(s)
-  roomName: string;
-  // 2. 타이머대화방여부YN(s)
-  isTimerRoom: boolean;
-  // 3. 타이머시간(n)
-  timerRoomInterval: number;
-  // 4n. 초대자 userSeq(n)...
-  userSeqs: number[];
-}
-
-export interface RoomOpen3Response extends ProtocolResponse {
-  // 0. 구분자
-  divCd: string;
-  // 1. 대화방제목(s)
-  roomName: string;
-  // 2. 대화방SEQ(s)
-  roomSeq: string;
-  // 3.	신규여부(y)
-  newRoom: boolean;
-  // 4. 타이머대화방여부YN(s)
-  isTimerRoom: boolean;
-  // 5. 타이머시간(n)
-  timerRoomInterval: number;
-}
-
-export const encodeRoomOpen3: ProtocolEncoder<RoomOpen3Request> = (
-  req: RoomOpen3Request
-) => {
-  const bodyList: PacketBody[] = [];
-
-  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
-  bodyList.push({ type: PacketBodyValue.String, value: req.roomName.trim() });
-  bodyList.push({
-    type: PacketBodyValue.String,
-    value: req.isTimerRoom === true ? 'Y' : 'N'
-  });
-  bodyList.push({
-    type: PacketBodyValue.Integer,
-    value: req.isTimerRoom !== true ? 0 : req.timerRoomInterval
-  });
-  for (const userSeq of req.userSeqs) {
-    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
-  }
-
-  return bodyList;
-};
-
-export const decodeRoomOpen3: ProtocolDecoder<RoomOpen3Response> = (
-  message: ProtocolMessage
-) => {
-  return {
-    divCd: message.bodyList[0],
-    roomName: message.bodyList[1],
-    roomSeq: message.bodyList[2],
-    newRoom: message.bodyList[3] === 'Y' ? true : false,
-    isTimerRoom: message.bodyList[4] === 'Y' ? true : false,
-    timerRoomInterval: message.bodyList[5] || 0
-  } as RoomOpen3Response;
-};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open4.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open4.ts
deleted file mode 100644
index 35cf2da5..00000000
--- a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open4.ts
+++ /dev/null
@@ -1,73 +0,0 @@
-import {
-  ProtocolRequest,
-  ProtocolResponse,
-  ProtocolEncoder,
-  PacketBody,
-  PacketBodyValue,
-  ProtocolDecoder,
-  ProtocolMessage
-} from '@ucap-webmessenger/protocol';
-
-export interface RoomOpen4Request extends ProtocolRequest {
-  // 0. 구분자
-  divCd: string;
-  // 1. 대화방제목(s)
-  roomName: string;
-  // 2. 타이머대화방여부YN(s)
-  isTimerRoom: boolean;
-  // 3. 타이머시간(n)
-  timerRoomInterval: number;
-  // 4n. 초대자 userSeq(n)...
-  userSeqs: number[];
-}
-
-export interface RoomOpen4Response extends ProtocolResponse {
-  // 0. 구분자
-  divCd: string;
-  // 1. 대화방제목(s)
-  roomName: string;
-  // 2. 대화방SEQ(s)
-  roomSeq: string;
-  // 3.	신규여부(y)
-  newRoom: boolean;
-  // 4. 타이머대화방여부YN(s)
-  isTimerRoom: boolean;
-  // 5. 타이머시간(n)
-  timerRoomInterval: number;
-}
-
-export const encodeRoomOpen4: ProtocolEncoder<RoomOpen4Request> = (
-  req: RoomOpen4Request
-) => {
-  const bodyList: PacketBody[] = [];
-
-  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
-  bodyList.push({ type: PacketBodyValue.String, value: req.roomName.trim() });
-  bodyList.push({
-    type: PacketBodyValue.String,
-    value: req.isTimerRoom === true ? 'Y' : 'N'
-  });
-  bodyList.push({
-    type: PacketBodyValue.Integer,
-    value: req.isTimerRoom !== true ? 0 : req.timerRoomInterval
-  });
-  for (const userSeq of req.userSeqs) {
-    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
-  }
-
-  return bodyList;
-};
-
-export const decodeRoomOpen4: ProtocolDecoder<RoomOpen4Response> = (
-  message: ProtocolMessage
-) => {
-  return {
-    divCd: message.bodyList[0],
-    roomName: message.bodyList[1],
-    roomSeq: message.bodyList[2],
-    newRoom: message.bodyList[3] === 'Y' ? true : false,
-    isTimerRoom: message.bodyList[4] === 'Y' ? true : false,
-    timerRoomInterval:
-      message.bodyList[4] !== 'Y' ? 0 : message.bodyList[5] || 0
-  } as RoomOpen4Response;
-};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/update.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/update.ts
new file mode 100644
index 00000000..33f70daf
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/models/update.ts
@@ -0,0 +1,142 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface RoomUpdateRequest extends ProtocolRequest {
+  // 대화방SEQ(s)
+  roomSeq: string;
+  // 대화방제목(s)
+  roomName: string;
+  // 알람여부(y)
+  isAlarm: boolean;
+  // 동기화여부(s)
+  isSyncAll: boolean;
+}
+
+export interface RoomUpdateResponse extends ProtocolResponse {
+  // 대화방SEQ(s)
+  roomSeq: string;
+  // 대화방제목(s)
+  roomName: string;
+  // 알람여부(y)
+  isAlarm: boolean;
+  // 동기화여부(s)
+  isSyncAll: boolean;
+}
+
+export const encodeRoomUpdate: ProtocolEncoder<RoomUpdateRequest> = (
+  req: RoomUpdateRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomSeq });
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomName });
+  bodyList.push({
+    type: PacketBodyValue.String,
+    value: req.isAlarm ? 'Y' : 'N'
+  });
+  bodyList.push({
+    type: PacketBodyValue.String,
+    value: req.isSyncAll ? 'Y' : 'N'
+  });
+  return bodyList;
+};
+
+export const decodeRoomUpdate: ProtocolDecoder<RoomUpdateResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    roomSeq: message.bodyList[0],
+    roomName: message.bodyList[1],
+    isAlarm: message.bodyList[2] === 'Y' ? true : false,
+    isSyncAll: message.bodyList[3] === 'Y' ? true : false
+  } as RoomUpdateResponse;
+};
+
+export interface RoomUpdateTimerSetRequest extends ProtocolRequest {
+  // 대화방SEQ(s)
+  roomSeq: string;
+  // 타이머시간(n)
+  timerInterval: number;
+}
+
+export interface RoomUpdateTimerSetResponse extends ProtocolResponse {
+  // 대화방SEQ(s)
+  roomSeq: string;
+  // 타이머시간(n)
+  timerInterval: number;
+}
+
+export const encodeRoomUpdateTimerSet: ProtocolEncoder<
+  RoomUpdateTimerSetRequest
+> = (req: RoomUpdateTimerSetRequest) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomSeq });
+  bodyList.push({ type: PacketBodyValue.Integer, value: req.timerInterval });
+  return bodyList;
+};
+
+export const decodeRoomUpdateTimerSet: ProtocolDecoder<
+  RoomUpdateTimerSetResponse
+> = (message: ProtocolMessage) => {
+  return {
+    roomSeq: message.bodyList[0],
+    timerInterval: message.bodyList[1] || 0
+  } as RoomUpdateTimerSetResponse;
+};
+
+export interface RoomUpdateFontRequest extends ProtocolRequest {
+  // 대화방SEQ(s)
+  roomSeq: string;
+  // 폰트색(s) cf)0x000000 형태의 스트링
+  fontColor: string;
+  // sender사용자SEQ(n)
+  senderSeq: number;
+}
+
+export interface RoomUpdateFontResponse extends ProtocolResponse {
+  // 대화방SEQ(s)
+  roomSeq: string;
+  // 폰트색(s) cf)0x000000 형태의 스트링
+  fontColor: string;
+  // sender사용자SEQ(n)
+  senderSeq: number;
+}
+
+export const encodeRoomUpdateFont: ProtocolEncoder<RoomUpdateFontRequest> = (
+  req: RoomUpdateFontRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomSeq });
+  bodyList.push({ type: PacketBodyValue.String, value: req.fontColor });
+  bodyList.push({ type: PacketBodyValue.Integer, value: req.senderSeq });
+  return bodyList;
+};
+
+export const decodeRoomUpdateFont: ProtocolDecoder<RoomUpdateFontResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    roomSeq: message.bodyList[0],
+    fontColor: message.bodyList[1],
+    senderSeq: message.bodyList[2]
+  } as RoomUpdateFontResponse;
+};
+
+export const decodeRoomUpdateFontNotification: ProtocolDecoder<
+  RoomUpdateFontResponse
+> = (message: ProtocolMessage) => {
+  return {
+    roomSeq: message.bodyList[0],
+    fontColor: message.bodyList[1],
+    senderSeq: message.bodyList[2]
+  } as RoomUpdateFontResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/services/room-protocol.service.ts b/projects/ucap-webmessenger-protocol-room/src/lib/services/room-protocol.service.ts
index 6ad5bc2b..c0d40210 100644
--- a/projects/ucap-webmessenger-protocol-room/src/lib/services/room-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/services/room-protocol.service.ts
@@ -15,38 +15,39 @@ import {
   SSVC_TYPE_ROOM_INFO_RES,
   SSVC_TYPE_ROOM_INFO_REQ,
   SSVC_TYPE_ROOM_INFO_USER,
-  SSVC_TYPE_ROOM_INFO_USER2
+  SSVC_TYPE_ROOM_INFO_USER2,
+  SSVC_TYPE_ROOM_EXIT_REQ,
+  SSVC_TYPE_ROOM_EXIT_ALL_REQ,
+  SSVC_TYPE_ROOM_EXIT_FORCING_REQ,
+  SSVC_TYPE_ROOM_USER_STATUS_REQ,
+  SSVC_TYPE_ROOM_UPD_REQ,
+  SSVC_TYPE_ROOM_INFO_UPD_REQ,
+  SSVC_TYPE_ROOM_FONT_UPD_REQ
 } from '../types/service';
 import {
   RoomOpenRequest,
   encodeRoomOpen,
   decodeRoomOpen,
-  RoomOpenResponse
-} from '../models/room-open';
-import {
+  RoomOpenResponse,
   RoomOpen2Request,
   RoomOpen2Response,
   decodeRoomOpen2,
-  encodeRoomOpen2
-} from '../models/room-open2';
-import {
+  encodeRoomOpen2,
   RoomOpen3Request,
   RoomOpen3Response,
   encodeRoomOpen3,
-  decodeRoomOpen3
-} from '../models/room-open3';
-import {
+  decodeRoomOpen3,
   RoomOpen4Request,
   RoomOpen4Response,
   encodeRoomOpen4,
   decodeRoomOpen4
-} from '../models/room-open4';
+} from '../models/open';
 import {
   RoomInviteRequest,
   RoomInviteResponse,
   encodeRoomInvite,
   decodeRoomInvite
-} from '../models/room-invite';
+} from '../models/invite';
 import {
   RoomInfoRequest,
   RoomInfoResponse,
@@ -57,8 +58,38 @@ import {
   decodeRoomInfoData,
   decodeRoomInfo,
   decodeRoomUserShortData,
-  decodeRoomUserData
-} from '../models/room-info';
+  decodeRoomUserData,
+  RoomUserStatusOfflineRequest,
+  RoomUserStatusOfflineResponse,
+  encodeRoomUserStatusOffline,
+  decodeRoomUserStatusOffline
+} from '../models/info';
+import {
+  RoomExitRequest,
+  RoomExitResponse,
+  encodeRoomExit,
+  decodeRoomExit,
+  RoomExitAllRequest,
+  encodeRoomAllExit,
+  RoomExitForcingRequest,
+  RoomExitForcingResponse,
+  encodeRoomExitForcing,
+  decodeRoomExitForcing
+} from '../models/exit';
+import {
+  RoomUpdateRequest,
+  RoomUpdateResponse,
+  encodeRoomUpdate,
+  decodeRoomUpdate,
+  RoomUpdateTimerSetRequest,
+  RoomUpdateTimerSetResponse,
+  encodeRoomUpdateTimerSet,
+  decodeRoomUpdateTimerSet,
+  RoomUpdateFontRequest,
+  RoomUpdateFontResponse,
+  encodeRoomUpdateFont,
+  decodeRoomUpdateFont
+} from '../models/update';
 
 @Injectable({
   providedIn: 'root'
@@ -74,7 +105,6 @@ export class RoomProtocolService {
         map(res => decodeRoomOpen(res))
       );
   }
-
   public roomOpen2(req: RoomOpen2Request): Observable<RoomOpen2Response> {
     return this.protocolService
       .call(SVC_TYPE_ROOM, SSVC_TYPE_ROOM_OPEN2_REQ, ...encodeRoomOpen2(req))
@@ -83,7 +113,6 @@ export class RoomProtocolService {
         map(res => decodeRoomOpen2(res))
       );
   }
-
   public roomOpen3(req: RoomOpen3Request): Observable<RoomOpen3Response> {
     return this.protocolService
       .call(SVC_TYPE_ROOM, SSVC_TYPE_ROOM_OPEN3_REQ, ...encodeRoomOpen3(req))
@@ -92,7 +121,6 @@ export class RoomProtocolService {
         map(res => decodeRoomOpen3(res))
       );
   }
-
   public roomOpen4(req: RoomOpen4Request): Observable<RoomOpen4Response> {
     return this.protocolService
       .call(SVC_TYPE_ROOM, SSVC_TYPE_ROOM_OPEN4_REQ, ...encodeRoomOpen4(req))
@@ -136,4 +164,103 @@ export class RoomProtocolService {
         })
       );
   }
+  public roomUserStatusOffline(
+    req: RoomUserStatusOfflineRequest
+  ): Observable<RoomUserStatusOfflineResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_ROOM,
+        SSVC_TYPE_ROOM_USER_STATUS_REQ,
+        ...encodeRoomUserStatusOffline(req)
+      )
+      .pipe(
+        map(res => {
+          take(1);
+          return decodeRoomUserStatusOffline(res);
+        })
+      );
+  }
+
+  public roomExit(req: RoomExitRequest): Observable<RoomExitResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_ROOM, SSVC_TYPE_ROOM_EXIT_REQ, ...encodeRoomExit(req))
+      .pipe(
+        map(res => {
+          take(1);
+          return decodeRoomExit(res);
+        })
+      );
+  }
+  public roomExitAll(req: RoomExitAllRequest): Observable<void> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_ROOM,
+        SSVC_TYPE_ROOM_EXIT_ALL_REQ,
+        ...encodeRoomAllExit(req)
+      )
+      .pipe(
+        map(res => {
+          take(1);
+        })
+      );
+  }
+  public roomExitForcing(
+    req: RoomExitForcingRequest
+  ): Observable<RoomExitForcingResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_ROOM,
+        SSVC_TYPE_ROOM_EXIT_FORCING_REQ,
+        ...encodeRoomExitForcing(req)
+      )
+      .pipe(
+        map(res => {
+          take(1);
+          return decodeRoomExitForcing(res);
+        })
+      );
+  }
+
+  public roomUpdate(req: RoomUpdateRequest): Observable<RoomUpdateResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_ROOM, SSVC_TYPE_ROOM_UPD_REQ, ...encodeRoomUpdate(req))
+      .pipe(
+        map(res => {
+          take(1);
+          return decodeRoomUpdate(res);
+        })
+      );
+  }
+  public roomUpdateTimerSet(
+    req: RoomUpdateTimerSetRequest
+  ): Observable<RoomUpdateTimerSetResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_ROOM,
+        SSVC_TYPE_ROOM_INFO_UPD_REQ,
+        ...encodeRoomUpdateTimerSet(req)
+      )
+      .pipe(
+        map(res => {
+          take(1);
+          return decodeRoomUpdateTimerSet(res);
+        })
+      );
+  }
+  public roomUpdateFont(
+    req: RoomUpdateFontRequest
+  ): Observable<RoomUpdateFontResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_ROOM,
+        SSVC_TYPE_ROOM_FONT_UPD_REQ,
+        ...encodeRoomUpdateFont(req)
+      )
+      .pipe(
+        map(res => {
+          take(1);
+          return decodeRoomUpdateFont(res);
+        })
+      );
+  }
 }
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/types/room.type.ts b/projects/ucap-webmessenger-protocol-room/src/lib/types/room.type.ts
index 8c4e7b4e..a603195e 100644
--- a/projects/ucap-webmessenger-protocol-room/src/lib/types/room.type.ts
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/types/room.type.ts
@@ -18,3 +18,8 @@ export enum RoomType {
   // K: MyTalk(나와의 대화)
   Mytalk = 'K'
 }
+
+export enum RoomExitType {
+  // A 만 사용하고 있고, 서버에서도 달리 처리하지는 않음, 하지만 추후 사용성을 위해 생성.
+  All = 'A'
+}
diff --git a/projects/ucap-webmessenger-protocol-room/src/public-api.ts b/projects/ucap-webmessenger-protocol-room/src/public-api.ts
index 70b64234..f70bf8f3 100644
--- a/projects/ucap-webmessenger-protocol-room/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-room/src/public-api.ts
@@ -2,12 +2,9 @@
  * Public API Surface of ucap-webmessenger-protocol-room
  */
 
-export * from './lib/models/room-info';
-export * from './lib/models/room-invite';
-export * from './lib/models/room-open';
-export * from './lib/models/room-open2';
-export * from './lib/models/room-open3';
-export * from './lib/models/room-open4';
+export * from './lib/models/info';
+export * from './lib/models/invite';
+export * from './lib/models/open';
 
 export * from './lib/services/room-protocol.service';
 export * from './lib/types/employee.type';