diff --git a/projects/ucap-webmessenger-api-common/src/lib/models/file-profile-save.ts b/projects/ucap-webmessenger-api-common/src/lib/models/file-profile-save.ts
index e66efc87..adc9979b 100644
--- a/projects/ucap-webmessenger-api-common/src/lib/models/file-profile-save.ts
+++ b/projects/ucap-webmessenger-api-common/src/lib/models/file-profile-save.ts
@@ -1,5 +1,11 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder,
+  ParameterUtil
+} from '@ucap-webmessenger/api';
 
 export interface FileProfileSaveRequest extends APIRequest {
   userSeq: string;
@@ -14,3 +20,17 @@ export interface FileProfileSaveResponse extends APIResponse {
   ProfileURL?: string;
   ProfileSubDir?: string;
 }
+
+const fileProfileEncodeMap = {};
+
+export const encodeFileProfileSave: APIEncoder<FileProfileSaveRequest> = (
+  req: FileProfileSaveRequest
+) => {
+  return ParameterUtil.encode(fileProfileEncodeMap, req);
+};
+
+export const decodeFileProfileSave: APIDecoder<FileProfileSaveResponse> = (
+  res: any
+) => {
+  return {} as FileProfileSaveResponse;
+};
diff --git a/projects/ucap-webmessenger-api-common/src/lib/models/file-talk-download.ts b/projects/ucap-webmessenger-api-common/src/lib/models/file-talk-download.ts
index 96398582..bcc03955 100644
--- a/projects/ucap-webmessenger-api-common/src/lib/models/file-talk-download.ts
+++ b/projects/ucap-webmessenger-api-common/src/lib/models/file-talk-download.ts
@@ -1,5 +1,5 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest } from '@ucap-webmessenger/api';
+import { APIRequest, APIEncoder, ParameterUtil } from '@ucap-webmessenger/api';
 
 export interface FileTalkDownloadRequest extends APIRequest {
   userSeq: string;
@@ -7,3 +7,11 @@ export interface FileTalkDownloadRequest extends APIRequest {
   token: string;
   attachmentsSeq?: string;
 }
+
+const fileTalkDownloadEncodeMap = {};
+
+export const encodeFileTalkDownload: APIEncoder<FileTalkDownloadRequest> = (
+  req: FileTalkDownloadRequest
+) => {
+  return ParameterUtil.encode(fileTalkDownloadEncodeMap, req);
+};
diff --git a/projects/ucap-webmessenger-api-common/src/lib/models/file-talk-save.ts b/projects/ucap-webmessenger-api-common/src/lib/models/file-talk-save.ts
index 8a10f9db..d370315b 100644
--- a/projects/ucap-webmessenger-api-common/src/lib/models/file-talk-save.ts
+++ b/projects/ucap-webmessenger-api-common/src/lib/models/file-talk-save.ts
@@ -1,5 +1,11 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder,
+  ParameterUtil
+} from '@ucap-webmessenger/api';
 
 export interface FileTalkSaveRequest extends APIRequest {
   userSeq: string;
@@ -29,3 +35,17 @@ export interface FileTalkSaveResponse extends APIResponse {
   VoiceTime?: string;
   SynapKey?: string;
 }
+
+const fileTalkSaveEncodeMap = {};
+
+export const encodeFileTalkSave: APIEncoder<FileTalkSaveRequest> = (
+  req: FileTalkSaveRequest
+) => {
+  return ParameterUtil.encode(fileTalkSaveEncodeMap, req);
+};
+
+export const decodeFileTalkSave: APIDecoder<FileTalkSaveResponse> = (
+  res: any
+) => {
+  return {} as FileTalkSaveResponse;
+};
diff --git a/projects/ucap-webmessenger-api-common/src/lib/models/file-talk-share.ts b/projects/ucap-webmessenger-api-common/src/lib/models/file-talk-share.ts
index 8d5d3c82..d8677f7b 100644
--- a/projects/ucap-webmessenger-api-common/src/lib/models/file-talk-share.ts
+++ b/projects/ucap-webmessenger-api-common/src/lib/models/file-talk-share.ts
@@ -1,5 +1,11 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder,
+  ParameterUtil
+} from '@ucap-webmessenger/api';
 
 export interface FileTalkShareRequest extends APIRequest {
   userSeq: string;
@@ -22,3 +28,17 @@ export interface FileTalkShareResponse extends APIResponse {
   CompanyCode?: string;
   SynapKey?: string;
 }
+
+const fileTalkShareEncodeMap = {};
+
+export const encodeFileTalkShare: APIEncoder<FileTalkShareRequest> = (
+  req: FileTalkShareRequest
+) => {
+  return ParameterUtil.encode(fileTalkShareEncodeMap, req);
+};
+
+export const decodeFileTalkShare: APIDecoder<FileTalkShareResponse> = (
+  res: any
+) => {
+  return {} as FileTalkShareResponse;
+};
diff --git a/projects/ucap-webmessenger-api-common/src/lib/models/mass-talk-download.ts b/projects/ucap-webmessenger-api-common/src/lib/models/mass-talk-download.ts
index 633c413f..ec31ac3f 100644
--- a/projects/ucap-webmessenger-api-common/src/lib/models/mass-talk-download.ts
+++ b/projects/ucap-webmessenger-api-common/src/lib/models/mass-talk-download.ts
@@ -1,5 +1,11 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder,
+  ParameterUtil
+} from '@ucap-webmessenger/api';
 
 export interface MassTalkDownloadRequest extends APIRequest {
   userSeq: string;
@@ -13,3 +19,17 @@ export interface MassTalkDownloadResponse extends APIResponse {
   UserName?: string;
   RegDate?: string;
 }
+
+const massTalkDownloadEncodeMap = {};
+
+export const encodeMassTalkDownload: APIEncoder<MassTalkDownloadRequest> = (
+  req: MassTalkDownloadRequest
+) => {
+  return ParameterUtil.encode(massTalkDownloadEncodeMap, req);
+};
+
+export const decodeMassTalkDownload: APIDecoder<MassTalkDownloadResponse> = (
+  res: any
+) => {
+  return {} as MassTalkDownloadResponse;
+};
diff --git a/projects/ucap-webmessenger-api-common/src/lib/models/mass-talk-save.ts b/projects/ucap-webmessenger-api-common/src/lib/models/mass-talk-save.ts
index 35882482..648c3711 100644
--- a/projects/ucap-webmessenger-api-common/src/lib/models/mass-talk-save.ts
+++ b/projects/ucap-webmessenger-api-common/src/lib/models/mass-talk-save.ts
@@ -1,5 +1,11 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder,
+  ParameterUtil
+} from '@ucap-webmessenger/api';
 
 export interface MassTalkSaveRequest extends APIRequest {
   userSeq: string;
@@ -15,3 +21,17 @@ export interface MassTalkSaveResponse extends APIResponse {
   RegDate?: string;
   Content?: string;
 }
+
+const massTalkSaveEncodeMap = {};
+
+export const encodeMassTalkSave: APIEncoder<MassTalkSaveRequest> = (
+  req: MassTalkSaveRequest
+) => {
+  return ParameterUtil.encode(massTalkSaveEncodeMap, req);
+};
+
+export const decodeMassTalkSave: APIDecoder<MassTalkSaveResponse> = (
+  res: any
+) => {
+  return {} as MassTalkSaveResponse;
+};
diff --git a/projects/ucap-webmessenger-api-common/src/lib/models/trans-mass-talk-download.ts b/projects/ucap-webmessenger-api-common/src/lib/models/trans-mass-talk-download.ts
index 764884c2..f22618a5 100644
--- a/projects/ucap-webmessenger-api-common/src/lib/models/trans-mass-talk-download.ts
+++ b/projects/ucap-webmessenger-api-common/src/lib/models/trans-mass-talk-download.ts
@@ -1,5 +1,11 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder,
+  ParameterUtil
+} from '@ucap-webmessenger/api';
 
 export interface TransMassTalkDownloadRequest extends APIRequest {
   userSeq: string;
@@ -15,3 +21,17 @@ export interface TransMassTalkDownloadResponse extends APIResponse {
   UserName?: string;
   RegDate?: string;
 }
+
+const transMassTalkDownloadEncodeMap = {};
+
+export const encodeTransMassTalkDownload: APIEncoder<
+  TransMassTalkDownloadRequest
+> = (req: TransMassTalkDownloadRequest) => {
+  return ParameterUtil.encode(transMassTalkDownloadEncodeMap, req);
+};
+
+export const decodeTransMassTalkDownload: APIDecoder<
+  TransMassTalkDownloadResponse
+> = (res: any) => {
+  return {} as TransMassTalkDownloadResponse;
+};
diff --git a/projects/ucap-webmessenger-api-common/src/lib/models/trans-mass-talk-save.ts b/projects/ucap-webmessenger-api-common/src/lib/models/trans-mass-talk-save.ts
index 03136ef0..e1b0ff46 100644
--- a/projects/ucap-webmessenger-api-common/src/lib/models/trans-mass-talk-save.ts
+++ b/projects/ucap-webmessenger-api-common/src/lib/models/trans-mass-talk-save.ts
@@ -1,5 +1,11 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder,
+  ParameterUtil
+} from '@ucap-webmessenger/api';
 
 export interface TransMassTalkSaveRequest extends APIRequest {
   userSeq: string;
@@ -19,3 +25,17 @@ export interface TransMassTalkSaveResponse extends APIResponse {
   Original?: string;
   Translation?: string;
 }
+
+const transMassTalkSaveEncodeMap = {};
+
+export const encodeTransMassTalkSave: APIEncoder<TransMassTalkSaveRequest> = (
+  req: TransMassTalkSaveRequest
+) => {
+  return ParameterUtil.encode(transMassTalkSaveEncodeMap, req);
+};
+
+export const decodeTransMassTalkSave: APIDecoder<TransMassTalkSaveResponse> = (
+  res: any
+) => {
+  return {} as TransMassTalkSaveResponse;
+};
diff --git a/projects/ucap-webmessenger-api-common/src/lib/models/translation-req.ts b/projects/ucap-webmessenger-api-common/src/lib/models/translation-req.ts
index c31b9809..082ec110 100644
--- a/projects/ucap-webmessenger-api-common/src/lib/models/translation-req.ts
+++ b/projects/ucap-webmessenger-api-common/src/lib/models/translation-req.ts
@@ -1,5 +1,11 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder,
+  ParameterUtil
+} from '@ucap-webmessenger/api';
 
 export interface TranslationReqRequest extends APIRequest {
   userSeq: string;
@@ -16,3 +22,17 @@ export interface TranslationReqResponse extends APIResponse {
   Original?: string;
   Translation?: string;
 }
+
+const translationReqEncodeMap = {};
+
+export const encodeTranslationReq: APIEncoder<TranslationReqRequest> = (
+  req: TranslationReqRequest
+) => {
+  return ParameterUtil.encode(translationReqEncodeMap, req);
+};
+
+export const decodeTranslationReq: APIDecoder<TranslationReqResponse> = (
+  res: any
+) => {
+  return {} as TranslationReqResponse;
+};
diff --git a/projects/ucap-webmessenger-api-common/src/lib/models/translation-save.ts b/projects/ucap-webmessenger-api-common/src/lib/models/translation-save.ts
index 43843783..5020d444 100644
--- a/projects/ucap-webmessenger-api-common/src/lib/models/translation-save.ts
+++ b/projects/ucap-webmessenger-api-common/src/lib/models/translation-save.ts
@@ -1,5 +1,11 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder,
+  ParameterUtil
+} from '@ucap-webmessenger/api';
 
 export interface TranslationSaveRequest extends APIRequest {
   userSeq: string;
@@ -20,3 +26,17 @@ export interface TranslationSaveResponse extends APIResponse {
   Original?: string;
   Translation?: string;
 }
+
+const translationSaveEncodeMap = {};
+
+export const encodeTranslationSave: APIEncoder<TranslationSaveRequest> = (
+  req: TranslationSaveRequest
+) => {
+  return ParameterUtil.encode(translationSaveEncodeMap, req);
+};
+
+export const decodeTranslationSave: APIDecoder<TranslationSaveResponse> = (
+  res: any
+) => {
+  return {} as TranslationSaveResponse;
+};
diff --git a/projects/ucap-webmessenger-api-common/src/lib/services/common-api.service.ts b/projects/ucap-webmessenger-api-common/src/lib/services/common-api.service.ts
index 20081b47..6c7771a6 100644
--- a/projects/ucap-webmessenger-api-common/src/lib/services/common-api.service.ts
+++ b/projects/ucap-webmessenger-api-common/src/lib/services/common-api.service.ts
@@ -8,40 +8,61 @@ import { _MODULE_CONFIG } from '../types/token';
 import { ModuleConfig } from '../types/module-config';
 import {
   FileProfileSaveRequest,
-  FileProfileSaveResponse
+  FileProfileSaveResponse,
+  encodeFileProfileSave,
+  decodeFileProfileSave
 } from '../models/file-profile-save';
-import { FileTalkDownloadRequest } from '../models/file-talk-download';
+import {
+  FileTalkDownloadRequest,
+  encodeFileTalkDownload
+} from '../models/file-talk-download';
 import {
   FileTalkSaveRequest,
-  FileTalkSaveResponse
+  FileTalkSaveResponse,
+  encodeFileTalkSave,
+  decodeFileTalkSave
 } from '../models/file-talk-save';
 import {
   FileTalkShareRequest,
-  FileTalkShareResponse
+  FileTalkShareResponse,
+  encodeFileTalkShare,
+  decodeFileTalkShare
 } from '../models/file-talk-share';
 import {
   MassTalkDownloadRequest,
-  MassTalkDownloadResponse
+  MassTalkDownloadResponse,
+  encodeMassTalkDownload,
+  decodeMassTalkDownload
 } from '../models/mass-talk-download';
 import {
   MassTalkSaveRequest,
-  MassTalkSaveResponse
+  MassTalkSaveResponse,
+  encodeMassTalkSave,
+  decodeMassTalkSave
 } from '../models/mass-talk-save';
 import {
   TransMassTalkDownloadRequest,
-  TransMassTalkDownloadResponse
+  TransMassTalkDownloadResponse,
+  encodeTransMassTalkDownload,
+  decodeTransMassTalkDownload
 } from '../models/trans-mass-talk-download';
 import {
   TransMassTalkSaveRequest,
-  TransMassTalkSaveResponse
+  TransMassTalkSaveResponse,
+  encodeTransMassTalkSave,
+  decodeTransMassTalkSave
 } from '../models/trans-mass-talk-save';
 import {
   TranslationReqRequest,
-  TranslationReqResponse
+  TranslationReqResponse,
+  encodeTranslationReq,
+  decodeTranslationReq
 } from '../models/translation-req';
 import {
   TranslationSaveRequest,
-  TranslationSaveResponse
+  TranslationSaveResponse,
+  encodeTranslationSave,
+  decodeTranslationSave
 } from '../models/translation-save';
 
 @Injectable({
@@ -61,14 +82,10 @@ export class CommonApiService {
         this.moduleConfig.urls.fileProfileSave,
         {},
         {
-          params: {}
+          params: encodeFileProfileSave(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {} as FileProfileSaveResponse;
-        })
-      );
+      .pipe(map(res => decodeFileProfileSave(res)));
   }
 
   public fileTalkDownload(req: FileTalkDownloadRequest): Observable<Blob> {
@@ -76,7 +93,7 @@ export class CommonApiService {
       this.moduleConfig.urls.fileTalkDownload,
       { responseType: 'blob' },
       {
-        params: {}
+        params: encodeFileTalkDownload(req)
       }
     );
   }
@@ -89,14 +106,10 @@ export class CommonApiService {
         this.moduleConfig.urls.fileTalkSave,
         {},
         {
-          params: {}
+          params: encodeFileTalkSave(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {} as FileTalkSaveResponse;
-        })
-      );
+      .pipe(map(res => decodeFileTalkSave(res)));
   }
 
   public fileTalkShare(
@@ -107,14 +120,10 @@ export class CommonApiService {
         this.moduleConfig.urls.fileTalkShare,
         {},
         {
-          params: {}
+          params: encodeFileTalkShare(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {} as FileTalkShareResponse;
-        })
-      );
+      .pipe(map(res => decodeFileTalkShare(res)));
   }
 
   public massTalkDownload(
@@ -125,14 +134,10 @@ export class CommonApiService {
         this.moduleConfig.urls.massTalkDownload,
         {},
         {
-          params: {}
+          params: encodeMassTalkDownload(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {} as MassTalkDownloadResponse;
-        })
-      );
+      .pipe(map(res => decodeMassTalkDownload(res)));
   }
 
   public massTalkSave(
@@ -143,14 +148,10 @@ export class CommonApiService {
         this.moduleConfig.urls.massTalkSave,
         {},
         {
-          params: {}
+          params: encodeMassTalkSave(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {} as MassTalkSaveResponse;
-        })
-      );
+      .pipe(map(res => decodeMassTalkSave(res)));
   }
 
   public transMassTalkDownload(
@@ -161,14 +162,10 @@ export class CommonApiService {
         this.moduleConfig.urls.transMassTalkDownload,
         {},
         {
-          params: {}
+          params: encodeTransMassTalkDownload(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {} as TransMassTalkDownloadResponse;
-        })
-      );
+      .pipe(map(res => decodeTransMassTalkDownload(res)));
   }
 
   public transMassTalkSave(
@@ -179,14 +176,10 @@ export class CommonApiService {
         this.moduleConfig.urls.transMassTalkSave,
         {},
         {
-          params: {}
+          params: encodeTransMassTalkSave(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {} as TransMassTalkSaveResponse;
-        })
-      );
+      .pipe(map(res => decodeTransMassTalkSave(res)));
   }
 
   public translationReq(
@@ -197,14 +190,10 @@ export class CommonApiService {
         this.moduleConfig.urls.translationReq,
         {},
         {
-          params: {}
+          params: encodeTranslationReq(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {} as TranslationReqResponse;
-        })
-      );
+      .pipe(map(res => decodeTranslationReq(res)));
   }
 
   public translationSave(
@@ -215,13 +204,9 @@ export class CommonApiService {
         this.moduleConfig.urls.translationSave,
         {},
         {
-          params: {}
+          params: encodeTranslationSave(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {} as TranslationSaveResponse;
-        })
-      );
+      .pipe(map(res => decodeTranslationSave(res)));
   }
 }
diff --git a/projects/ucap-webmessenger-api-external/src/lib/models/check-user-info-ex.ts b/projects/ucap-webmessenger-api-external/src/lib/models/check-user-info-ex.ts
index 2166b926..838507f2 100644
--- a/projects/ucap-webmessenger-api-external/src/lib/models/check-user-info-ex.ts
+++ b/projects/ucap-webmessenger-api-external/src/lib/models/check-user-info-ex.ts
@@ -1,4 +1,9 @@
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder
+} from '@ucap-webmessenger/api';
 
 export interface CheckUserInfoExRequest extends APIRequest {
   userId: string;
@@ -9,3 +14,23 @@ export interface CheckUserInfoExRequest extends APIRequest {
 export interface CheckUserInfoExResponse extends APIResponse {
   userId?: string;
 }
+
+export const encodeCheckUserInfoEx: APIEncoder<CheckUserInfoExRequest> = (
+  req: CheckUserInfoExRequest
+) => {
+  return {
+    p_user_id: req.userId,
+    p_comp_code: req.companyCode,
+    p_user_session: req.userSession
+  };
+};
+
+export const decodeCheckUserInfoEx: APIDecoder<CheckUserInfoExResponse> = (
+  res: any
+) => {
+  return {
+    statusCode: res.StatusCode,
+    errorMessage: res.ErrorMessage,
+    userId: res.UserID
+  } as CheckUserInfoExResponse;
+};
diff --git a/projects/ucap-webmessenger-api-external/src/lib/models/company-list.ts b/projects/ucap-webmessenger-api-external/src/lib/models/company-list.ts
index 222dcfc1..441ea96a 100644
--- a/projects/ucap-webmessenger-api-external/src/lib/models/company-list.ts
+++ b/projects/ucap-webmessenger-api-external/src/lib/models/company-list.ts
@@ -1,5 +1,10 @@
 import { AppType, DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder
+} from '@ucap-webmessenger/api';
 
 export interface CompanyListRequest extends APIRequest {
   userSeq?: string;
@@ -21,3 +26,40 @@ export interface Company {
 export interface CompanyListResponse extends APIResponse {
   companyList?: Company[];
 }
+
+export const encodeCompanyList: APIEncoder<CompanyListRequest> = (
+  req: CompanyListRequest
+) => {
+  return {
+    p_user_seq: req.userSeq,
+    p_app_type: req.appType,
+    p_device_type: req.deviceType,
+    p_token: req.token,
+    p_comp_group_code: req.companyGroupCode
+  };
+};
+
+export const decodeCompanyList: APIDecoder<CompanyListResponse> = (
+  res: any
+) => {
+  let companyList: Company[] | undefined;
+  if (!!res.CompanyList) {
+    companyList = [];
+    for (const company of res.CompanyList) {
+      companyList.push({
+        companyCode: company.COMPANY_CODE,
+        companyName: company.COMPANY_NAME,
+        companyDomain: company.COMPANY_DOMAIN,
+        companyConfAuthYn: company.COMPANY_CONF_AUTH,
+        ucapUseYn: company.UCAP_USE_YN,
+        companyTimerChatAuthYn: company.COMPANY_TIMER_CHAT_AUTH
+      });
+    }
+  }
+
+  return {
+    statusCode: res.StatusCode,
+    errorMessage: res.ErrorMessage,
+    companyList
+  } as CompanyListResponse;
+};
diff --git a/projects/ucap-webmessenger-api-external/src/lib/models/token-update.ts b/projects/ucap-webmessenger-api-external/src/lib/models/token-update.ts
index 3dfa56d8..ecc38112 100644
--- a/projects/ucap-webmessenger-api-external/src/lib/models/token-update.ts
+++ b/projects/ucap-webmessenger-api-external/src/lib/models/token-update.ts
@@ -1,5 +1,10 @@
 import { DeviceType, PushType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder
+} from '@ucap-webmessenger/api';
 
 export interface TokenUpdateRequest extends APIRequest {
   userSeq: string;
@@ -11,3 +16,21 @@ export interface TokenUpdateRequest extends APIRequest {
 
 // tslint:disable-next-line: no-empty-interface
 export interface TokenUpdateResponse extends APIResponse {}
+
+export const encodeTokenUpdate: APIEncoder<TokenUpdateRequest> = (
+  req: TokenUpdateRequest
+) => {
+  return {
+    p_user_seq: req.userSeq,
+    p_device_type: req.deviceType,
+    p_token: req.token,
+    p_mobile_pid: req.mobilePid,
+    p_push_type: req.pushType
+  };
+};
+
+export const decodeTokenUpdate: APIDecoder<TokenUpdateResponse> = (
+  res: any
+) => {
+  return {} as TokenUpdateResponse;
+};
diff --git a/projects/ucap-webmessenger-api-external/src/lib/models/url-info.ts b/projects/ucap-webmessenger-api-external/src/lib/models/url-info.ts
index f2f15bb0..97f4f92a 100644
--- a/projects/ucap-webmessenger-api-external/src/lib/models/url-info.ts
+++ b/projects/ucap-webmessenger-api-external/src/lib/models/url-info.ts
@@ -1,5 +1,10 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder
+} from '@ucap-webmessenger/api';
 
 export interface UrlInfoRequest extends APIRequest {
   deviceType: DeviceType;
@@ -19,3 +24,30 @@ export interface UrlInfoResponse extends APIResponse {
   uprDownloadUrl?: string;
   synapViewUrl?: string;
 }
+
+export const encodeUrlInfo: APIEncoder<UrlInfoRequest> = (
+  req: UrlInfoRequest
+) => {
+  return {
+    p_device_type: req.deviceType
+  };
+};
+
+export const decodeUrlInfo: APIDecoder<UrlInfoResponse> = (res: any) => {
+  return {
+    statusCode: res.StatusCode,
+    errorMessage: res.ErrorMessage,
+    portCheckUrl: res.PortCheckURL,
+    messageUrl: res.MsgURL,
+    messageUrl2: res.MsgURL2,
+    passwordUrl: res.PasswordURL,
+    planUrl: res.PlanURL,
+    planUrl2: res.PlanURL2,
+    vocUrl: res.VocURL,
+    confUrl: res.ConfURL,
+    uprApiUrl: res.UprApiURL,
+    uprSvcUrl: res.UprSvcURL,
+    uprDownloadUrl: res.UprDownloadURL,
+    synapViewUrl: res.SynapViewURL
+  } as UrlInfoResponse;
+};
diff --git a/projects/ucap-webmessenger-api-external/src/lib/services/external-api.service.ts b/projects/ucap-webmessenger-api-external/src/lib/services/external-api.service.ts
index 1444612d..f8e41abd 100644
--- a/projects/ucap-webmessenger-api-external/src/lib/services/external-api.service.ts
+++ b/projects/ucap-webmessenger-api-external/src/lib/services/external-api.service.ts
@@ -8,18 +8,28 @@ import { _MODULE_CONFIG } from '../types/token';
 import { ModuleConfig } from '../types/module-config';
 import {
   CheckUserInfoExRequest,
-  CheckUserInfoExResponse
+  CheckUserInfoExResponse,
+  encodeCheckUserInfoEx,
+  decodeCheckUserInfoEx
 } from '../models/check-user-info-ex';
 import {
   CompanyListRequest,
   CompanyListResponse,
-  Company
+  encodeCompanyList,
+  decodeCompanyList
 } from '../models/company-list';
 import {
   TokenUpdateRequest,
-  TokenUpdateResponse
+  TokenUpdateResponse,
+  encodeTokenUpdate,
+  decodeTokenUpdate
 } from '../models/token-update';
-import { UrlInfoResponse, UrlInfoRequest } from '../models/url-info';
+import {
+  UrlInfoResponse,
+  UrlInfoRequest,
+  encodeUrlInfo,
+  decodeUrlInfo
+} from '../models/url-info';
 
 @Injectable({
   providedIn: 'root'
@@ -38,22 +48,10 @@ export class ExternalApiService {
         this.moduleConfig.urls.checkUserInfoEx,
         {},
         {
-          params: {
-            p_user_id: req.userId,
-            p_comp_code: req.companyCode,
-            p_user_session: req.userSession
-          }
+          params: encodeCheckUserInfoEx(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {
-            statusCode: res.StatusCode,
-            errorMessage: res.ErrorMessage,
-            userId: res.UserID
-          } as CheckUserInfoExResponse;
-        })
-      );
+      .pipe(map(res => decodeCheckUserInfoEx(res)));
   }
 
   public companyList(req: CompanyListRequest): Observable<CompanyListResponse> {
@@ -62,39 +60,10 @@ export class ExternalApiService {
         this.moduleConfig.urls.companyList,
         {},
         {
-          params: {
-            p_user_seq: req.userSeq,
-            p_app_type: req.appType,
-            p_device_type: req.deviceType,
-            p_token: req.token,
-            p_comp_group_code: req.companyGroupCode
-          }
+          params: encodeCompanyList(req)
         }
       )
-      .pipe(
-        map(res => {
-          let companyList: Company[] | undefined;
-          if (!!res.CompanyList) {
-            companyList = [];
-            for (const company of res.CompanyList) {
-              companyList.push({
-                companyCode: company.COMPANY_CODE,
-                companyName: company.COMPANY_NAME,
-                companyDomain: company.COMPANY_DOMAIN,
-                companyConfAuthYn: company.COMPANY_CONF_AUTH,
-                ucapUseYn: company.UCAP_USE_YN,
-                companyTimerChatAuthYn: company.COMPANY_TIMER_CHAT_AUTH
-              });
-            }
-          }
-
-          return {
-            statusCode: res.StatusCode,
-            errorMessage: res.ErrorMessage,
-            companyList
-          } as CompanyListResponse;
-        })
-      );
+      .pipe(map(res => decodeCompanyList(res)));
   }
 
   public tokenUpdate(req: TokenUpdateRequest): Observable<TokenUpdateResponse> {
@@ -103,20 +72,10 @@ export class ExternalApiService {
         this.moduleConfig.urls.tokenUpdate,
         {},
         {
-          params: {
-            p_user_seq: req.userSeq,
-            p_device_type: req.deviceType,
-            p_token: req.token,
-            p_mobile_pid: req.mobilePid,
-            p_push_type: req.pushType
-          }
+          params: encodeTokenUpdate(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {} as TokenUpdateResponse;
-        })
-      );
+      .pipe(map(res => decodeTokenUpdate(res)));
   }
 
   public urlInfo(req: UrlInfoRequest): Observable<UrlInfoResponse> {
@@ -125,30 +84,9 @@ export class ExternalApiService {
         this.moduleConfig.urls.urlInfo,
         {},
         {
-          params: {
-            p_device_type: req.deviceType
-          }
+          params: encodeUrlInfo(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {
-            statusCode: res.StatusCode,
-            errorMessage: res.ErrorMessage,
-            portCheckUrl: res.PortCheckURL,
-            messageUrl: res.MsgURL,
-            messageUrl2: res.MsgURL2,
-            passwordUrl: res.PasswordURL,
-            planUrl: res.PlanURL,
-            planUrl2: res.PlanURL2,
-            vocUrl: res.VocURL,
-            confUrl: res.ConfURL,
-            uprApiUrl: res.UprApiURL,
-            uprSvcUrl: res.UprSvcURL,
-            uprDownloadUrl: res.UprDownloadURL,
-            synapViewUrl: res.SynapViewURL
-          } as UrlInfoResponse;
-        })
-      );
+      .pipe(map(res => decodeUrlInfo(res)));
   }
 }
diff --git a/projects/ucap-webmessenger-api-public/src/lib/models/update-info.ts b/projects/ucap-webmessenger-api-public/src/lib/models/update-info.ts
index 27fd7bda..a4d08e08 100644
--- a/projects/ucap-webmessenger-api-public/src/lib/models/update-info.ts
+++ b/projects/ucap-webmessenger-api-public/src/lib/models/update-info.ts
@@ -1,5 +1,11 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder,
+  ParameterUtil
+} from '@ucap-webmessenger/api';
 
 export interface UpdateInfoRequest extends APIRequest {
   deviceType: DeviceType;
@@ -11,3 +17,24 @@ export interface UpdateInfoResponse extends APIResponse {
   launcherAppVersion?: string;
   launcherInstallUrl?: string;
 }
+
+const updateInfoEncodeMap = {
+  deviceType: 'p_device_type'
+};
+
+export const encodeUpdateInfo: APIEncoder<UpdateInfoRequest> = (
+  req: UpdateInfoRequest
+) => {
+  return ParameterUtil.encode(updateInfoEncodeMap, req);
+};
+
+export const decodeUpdateInfo: APIDecoder<UpdateInfoResponse> = (res: any) => {
+  return {
+    statusCode: res.StatusCode,
+    errorMessage: res.ErrorMessage,
+    appVersion: res.AppVer,
+    installUrl: res.InstallURL,
+    launcherAppVersion: res.LauncherAppVer,
+    launcherInstallUrl: res.LauncherInstallURL
+  } as UpdateInfoResponse;
+};
diff --git a/projects/ucap-webmessenger-api-public/src/lib/models/version-info2.ts b/projects/ucap-webmessenger-api-public/src/lib/models/version-info2.ts
index d6762a3e..44206202 100644
--- a/projects/ucap-webmessenger-api-public/src/lib/models/version-info2.ts
+++ b/projects/ucap-webmessenger-api-public/src/lib/models/version-info2.ts
@@ -1,5 +1,11 @@
 import { DeviceType } from '@ucap-webmessenger/core';
-import { APIRequest, APIResponse } from '@ucap-webmessenger/api';
+import {
+  APIRequest,
+  APIResponse,
+  APIEncoder,
+  APIDecoder,
+  ParameterUtil
+} from '@ucap-webmessenger/api';
 import { SyncMode } from '../types/sync-mode.type';
 
 export interface VersionInfo2Request extends APIRequest {
@@ -27,3 +33,41 @@ export interface VersionInfo2Response extends APIResponse {
   launcherAppVersion?: string;
   launcherInstallUrl?: string;
 }
+
+const versionInfo2EncodeMap = {
+  userSeq: 'p_user_seq',
+  deviceType: 'p_device_type',
+  token: 'p_token',
+  companyGroupType: 'p_comp_group_type',
+  companyCode: 'p_comp_code',
+  loginId: 'p_login_id'
+};
+
+export const encodeVersionInfo2: APIEncoder<VersionInfo2Request> = (
+  req: VersionInfo2Request
+) => {
+  return ParameterUtil.encode(versionInfo2EncodeMap, req);
+};
+
+export const decodeVersionInfo2: APIDecoder<VersionInfo2Response> = (
+  res: any
+) => {
+  return {
+    statusCode: res.StatusCode,
+    errorMessage: res.ErrorMessage,
+    appVersion: res.AppVer,
+    authIp: res.AuthIP === 'Y' ? true : false,
+    downloadUrl: res.DownloadURL,
+    fileAllowSize: Number(res.FileAllowSize),
+    fileTerm: Number(res.FileTerm),
+    installUrl: res.InstallURL,
+    launcherAppVersion: res.LauncherAppVer,
+    launcherInstallUrl: res.LauncherInstallURL,
+    profileRoot: res.ProfileRoot,
+    profileUploadUrl: res.ProfileUploadURL,
+    protocolCode: Number(res.ProtocolCD),
+    serverIp: res.ServerIP,
+    syncMode: res.SyncMode as SyncMode,
+    uploadUrl: res.UploadURL
+  } as VersionInfo2Response;
+};
diff --git a/projects/ucap-webmessenger-api-public/src/lib/services/public-api.service.ts b/projects/ucap-webmessenger-api-public/src/lib/services/public-api.service.ts
index b29f1601..37a55a45 100644
--- a/projects/ucap-webmessenger-api-public/src/lib/services/public-api.service.ts
+++ b/projects/ucap-webmessenger-api-public/src/lib/services/public-api.service.ts
@@ -7,25 +7,17 @@ import { map } from 'rxjs/operators';
 import { _MODULE_CONFIG } from '../types/token';
 import {
   VersionInfo2Request,
-  VersionInfo2Response
+  VersionInfo2Response,
+  encodeVersionInfo2,
+  decodeVersionInfo2
 } from '../models/version-info2';
-import { UpdateInfoRequest, UpdateInfoResponse } from '../models/update-info';
+import {
+  UpdateInfoRequest,
+  UpdateInfoResponse,
+  encodeUpdateInfo,
+  decodeUpdateInfo
+} from '../models/update-info';
 import { ModuleConfig } from '../types/module-config';
-import { ParameterUtil } from '@ucap-webmessenger/api';
-import { SyncMode } from '../types/sync-mode.type';
-
-const versionInfo2Parameters = {
-  userSeq: 'p_user_seq',
-  deviceType: 'p_device_type',
-  token: 'p_token',
-  companyGroupType: 'p_comp_group_type',
-  companyCode: 'p_comp_code',
-  loginId: 'p_login_id'
-};
-
-const updateInfoParameters = {
-  deviceType: 'p_device_type'
-};
 
 @Injectable({
   providedIn: 'root'
@@ -44,31 +36,10 @@ export class PublicApiService {
         this.moduleConfig.urls.versionInfo2,
         {},
         {
-          params: ParameterUtil.make(versionInfo2Parameters, req)
+          params: encodeVersionInfo2(req)
         }
       )
-      .pipe(
-        map((res: any) => {
-          return {
-            statusCode: res.StatusCode,
-            errorMessage: res.ErrorMessage,
-            appVersion: res.AppVer,
-            authIp: res.AuthIP === 'Y' ? true : false,
-            downloadUrl: res.DownloadURL,
-            fileAllowSize: Number(res.FileAllowSize),
-            fileTerm: Number(res.FileTerm),
-            installUrl: res.InstallURL,
-            launcherAppVersion: res.LauncherAppVer,
-            launcherInstallUrl: res.LauncherInstallURL,
-            profileRoot: res.ProfileRoot,
-            profileUploadUrl: res.ProfileUploadURL,
-            protocolCode: Number(res.ProtocolCD),
-            serverIp: res.ServerIP,
-            syncMode: res.SyncMode as SyncMode,
-            uploadUrl: res.UploadURL
-          } as VersionInfo2Response;
-        })
-      );
+      .pipe(map((res: any) => decodeVersionInfo2(res)));
   }
 
   public updateInfo(req: UpdateInfoRequest): Observable<UpdateInfoResponse> {
@@ -77,20 +48,9 @@ export class PublicApiService {
         this.moduleConfig.urls.updateInfo,
         {},
         {
-          params: ParameterUtil.make(updateInfoParameters, req)
+          params: encodeUpdateInfo(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {
-            statusCode: res.StatusCode,
-            errorMessage: res.ErrorMessage,
-            appVersion: res.AppVer,
-            installUrl: res.InstallURL,
-            launcherAppVersion: res.LauncherAppVer,
-            launcherInstallUrl: res.LauncherInstallURL
-          } as UpdateInfoResponse;
-        })
-      );
+      .pipe(map(res => decodeUpdateInfo(res)));
   }
 }
diff --git a/projects/ucap-webmessenger-api/src/lib/models/api.ts b/projects/ucap-webmessenger-api/src/lib/models/api.ts
index ff350839..9aec892e 100644
--- a/projects/ucap-webmessenger-api/src/lib/models/api.ts
+++ b/projects/ucap-webmessenger-api/src/lib/models/api.ts
@@ -1,3 +1,5 @@
+import { HttpParams } from '@angular/common/http';
+
 import { StatusCode } from '../types/status-code.type';
 
 export interface APIRequest {
@@ -9,3 +11,13 @@ export interface APIResponse {
   statusCode: StatusCode;
   errorMessage: string;
 }
+
+export type APIEncoder<REQ> = (
+  req: REQ
+) =>
+  | HttpParams
+  | {
+      [param: string]: string | string[];
+    };
+
+export type APIDecoder<RES> = (res: any) => RES;
diff --git a/projects/ucap-webmessenger-api/src/lib/utils/parameter.util.ts b/projects/ucap-webmessenger-api/src/lib/utils/parameter.util.ts
index 71d83453..e367cc93 100644
--- a/projects/ucap-webmessenger-api/src/lib/utils/parameter.util.ts
+++ b/projects/ucap-webmessenger-api/src/lib/utils/parameter.util.ts
@@ -3,7 +3,7 @@ export type Parameter = {
 } | null;
 
 export class ParameterUtil {
-  public static make(parameterMap: {}, param: {}): Parameter {
+  public static encode(parameterMap: {}, param: {}): Parameter {
     const parameter: Parameter = {};
 
     Object.keys(parameterMap).map(key => {
diff --git a/projects/ucap-webmessenger-app/src/app/services/notification.service.ts b/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
index 2b55c3a5..f0ce2c7a 100644
--- a/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
+++ b/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
@@ -9,7 +9,8 @@ import {
   SVC_TYPE_LOGOUT,
   SSVC_TYPE_LOGOUT_RES,
   SSVC_TYPE_LOGOUT_REMOTE_NOTI,
-  AuthenticationProtocolService
+  decodeLogout,
+  decodeLogoutRemoteNotification
 } from '@ucap-webmessenger/protocol-authentication';
 
 import * as AuthenticationStore from '../store/account/authentication';
@@ -18,7 +19,6 @@ import * as AuthenticationStore from '../store/account/authentication';
 export class AppNotificationService {
   constructor(
     private protocolService: ProtocolService,
-    private authenticationProtocolService: AuthenticationProtocolService,
     private store: Store<any>
   ) {}
 
@@ -31,9 +31,7 @@ export class AppNotificationService {
             message.subServiceType === SSVC_TYPE_LOGOUT_RES
         ),
         tap(message => {
-          const logoutRes = this.authenticationProtocolService.decodeLogoutResponse(
-            message
-          );
+          const logoutRes = decodeLogout(message);
           console.log('logoutRes', logoutRes);
           this.store.dispatch(AuthenticationStore.logout());
         })
@@ -48,9 +46,7 @@ export class AppNotificationService {
             message.subServiceType === SSVC_TYPE_LOGOUT_REMOTE_NOTI
         ),
         tap(message => {
-          const logoutRemoteNoti = this.authenticationProtocolService.decodeLogoutRemoteNotification(
-            message
-          );
+          const logoutRemoteNoti = decodeLogoutRemoteNotification(message);
           this.store.dispatch(AuthenticationStore.logout());
         })
       )
diff --git a/projects/ucap-webmessenger-pi/src/lib/models/login2.ts b/projects/ucap-webmessenger-pi/src/lib/models/login2.ts
index 0a9bdd62..7e0b80d4 100644
--- a/projects/ucap-webmessenger-pi/src/lib/models/login2.ts
+++ b/projects/ucap-webmessenger-pi/src/lib/models/login2.ts
@@ -1,3 +1,5 @@
+import { ParameterUtil, APIEncoder, APIDecoder } from '@ucap-webmessenger/api';
+
 import { PIRequest, PIResponse } from './pi';
 
 export interface Login2Request extends PIRequest {
@@ -15,3 +17,26 @@ export interface Login2Response extends PIResponse {
   userName: string;
   userSeq: number;
 }
+
+const login2EncodeMap = {
+  companyCode: 'companyCd',
+  loginId: 'loginId',
+  loginPw: 'loginPw'
+};
+
+export const encodeLogin2: APIEncoder<Login2Request> = (req: Login2Request) => {
+  return ParameterUtil.encode(login2EncodeMap, req);
+};
+
+export const decodeLogin2: APIDecoder<Login2Response> = (res: any) => {
+  return {
+    status: res.STATUS,
+    version: res.VER,
+    passwordHc: res.PWD_HC,
+    personalInfoAgreeYn: res.PER_INFO_AGREE_YN,
+    companyCode: res.COMPANY_CODE,
+    userId: res.USER_ID,
+    userName: res.USER_NAME,
+    userSeq: res.USER_SEQ
+  } as Login2Response;
+};
diff --git a/projects/ucap-webmessenger-pi/src/lib/services/pi.service.ts b/projects/ucap-webmessenger-pi/src/lib/services/pi.service.ts
index d16b7be8..7673d6b3 100644
--- a/projects/ucap-webmessenger-pi/src/lib/services/pi.service.ts
+++ b/projects/ucap-webmessenger-pi/src/lib/services/pi.service.ts
@@ -6,7 +6,12 @@ import { map } from 'rxjs/operators';
 
 import { _MODULE_CONFIG } from '../types/token';
 import { ModuleConfig } from '../types/module-config';
-import { Login2Request, Login2Response } from '../models/login2';
+import {
+  Login2Request,
+  Login2Response,
+  encodeLogin2,
+  decodeLogin2
+} from '../models/login2';
 
 @Injectable({
   providedIn: 'root'
@@ -23,26 +28,9 @@ export class PiService {
         this.moduleConfig.urls.login2,
         {},
         {
-          params: {
-            companyCd: req.companyCode,
-            loginId: req.loginId,
-            loginPw: req.loginPw
-          }
+          params: encodeLogin2(req)
         }
       )
-      .pipe(
-        map(res => {
-          return {
-            status: res.STATUS,
-            version: res.VER,
-            passwordHc: res.PWD_HC,
-            personalInfoAgreeYn: res.PER_INFO_AGREE_YN,
-            companyCode: res.COMPANY_CODE,
-            userId: res.USER_ID,
-            userName: res.USER_NAME,
-            userSeq: res.USER_SEQ
-          } as Login2Response;
-        })
-      );
+      .pipe(map(res => decodeLogin2(res)));
   }
 }
diff --git a/projects/ucap-webmessenger-protocol-authentication/src/lib/models/login.ts b/projects/ucap-webmessenger-protocol-authentication/src/lib/models/login.ts
index 6a98dc5e..497a5ebf 100644
--- a/projects/ucap-webmessenger-protocol-authentication/src/lib/models/login.ts
+++ b/projects/ucap-webmessenger-protocol-authentication/src/lib/models/login.ts
@@ -1,5 +1,13 @@
 import { DeviceType, LocaleCode } from '@ucap-webmessenger/core';
-import { ProtocolRequest, ProtocolResponse } from '@ucap-webmessenger/protocol';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
 import { SSOMode } from '../types/sso-mode';
 import { RoleCode } from '../types/role-code';
 
@@ -79,3 +87,79 @@ export interface LoginResponse extends ProtocolResponse {
   permissionsForViewSchedule: string;
   havePermissionsForDevice: boolean;
 }
+
+export const encodeLogin: ProtocolEncoder<LoginRequest> = (
+  req: LoginRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.String, value: req.loginId },
+    { type: PacketBodyValue.String, value: req.loginPw },
+    { type: PacketBodyValue.String, value: req.deviceType },
+    { type: PacketBodyValue.String, value: req.deviceId },
+    { type: PacketBodyValue.String, value: req.token },
+    { type: PacketBodyValue.String, value: req.localeCode },
+    { type: PacketBodyValue.String, value: req.pushId },
+    { type: PacketBodyValue.String, value: req.companyCode },
+    { type: PacketBodyValue.Integer, value: req.passwordEncodingType },
+    { type: PacketBodyValue.String, value: req.clientVersion },
+    { type: PacketBodyValue.String, value: req.reconnect ? 'Y' : 'N' },
+    { type: PacketBodyValue.String, value: req.ip },
+    { type: PacketBodyValue.String, value: req.hostName },
+    { type: PacketBodyValue.Integer, value: req.encriptionData ? 2 : 1 },
+    { type: PacketBodyValue.String, value: req.userSpecificInformation },
+    { type: PacketBodyValue.String, value: req.productId },
+    { type: PacketBodyValue.String, value: req.productName }
+  );
+
+  if (req.encriptionData) {
+    bodyList.push(
+      { type: PacketBodyValue.String, value: req.encriptionData },
+      { type: PacketBodyValue.String, value: req.accessToken }
+    );
+  }
+
+  return bodyList;
+};
+
+export const decodeLogin: ProtocolDecoder<LoginResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    loginId: message.bodyList[0],
+    userSeq: message.bodyList[1],
+    userInfo: message.bodyList[2],
+    token: message.bodyList[3],
+    companyCode: message.bodyList[4],
+    departmentCode: message.bodyList[5],
+    userId: message.bodyList[6],
+    passwordEncodingType: message.bodyList[7],
+    encriptionKey: message.bodyList[8],
+    existingPid: message.bodyList[9] === 'Y' ? true : false,
+    roleCode: message.bodyList[10] as RoleCode,
+    statusMessage1: message.bodyList[11],
+    statusMessage2: message.bodyList[12],
+    statusMessage3: message.bodyList[13],
+    fileDownloadAllow: message.bodyList[14] === 'Y' ? true : false,
+    fileRetentionPeriod: message.bodyList[15],
+    passwordValidityPeriod: message.bodyList[16],
+    privateInformationAgree: message.bodyList[17] === 'Y' ? true : false,
+    madn: message.bodyList[18],
+    hardPhoneSadn: message.bodyList[19],
+    fmcSadn: message.bodyList[20],
+    pbxIndex: message.bodyList[21],
+    passwordExpired: message.bodyList[22] === 'Y' ? true : false,
+    validAccount: message.bodyList[23] === 'Y' ? true : false,
+    validDevice: message.bodyList[24] === 'Y' ? true : false,
+    useableDevice: message.bodyList[25] === 'Y' ? true : false,
+    deviceScreenForcedLock: message.bodyList[26] === 'Y' ? true : false,
+    tokenString: message.bodyList[27],
+    havePermissionsForIntegratedMessageBox:
+      message.bodyList[28] === 'Y' ? true : false,
+    talkWithMeBotSeq: message.bodyList[29],
+    pinCode: message.bodyList[30],
+    permissionsForViewSchedule: message.bodyList[31],
+    havePermissionsForDevice: message.bodyList[32] === 'Y' ? true : false
+  } as LoginResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-authentication/src/lib/models/logout-remote.ts b/projects/ucap-webmessenger-protocol-authentication/src/lib/models/logout-remote.ts
new file mode 100644
index 00000000..9928079e
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-authentication/src/lib/models/logout-remote.ts
@@ -0,0 +1,52 @@
+import { DeviceType } from '@ucap-webmessenger/core';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolNotification,
+  ProtocolEncoder,
+  PacketBody,
+  ProtocolDecoder,
+  ProtocolMessage,
+  PacketBodyValue
+} from '@ucap-webmessenger/protocol';
+
+export interface LogoutRemoteRequest extends ProtocolRequest {
+  targetDeviceType?: DeviceType;
+  requestDeviceType?: DeviceType;
+}
+export interface LogoutRemoteResponse extends ProtocolResponse {
+  targetDeviceType?: DeviceType;
+  resultCode?: number;
+}
+
+export interface LogoutRemoteNotification extends ProtocolNotification {
+  requestDeviceType?: DeviceType;
+}
+
+export const encodeLogoutRemote: ProtocolEncoder<LogoutRemoteRequest> = (
+  req: LogoutRemoteRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.String, value: req.targetDeviceType },
+    { type: PacketBodyValue.String, value: req.requestDeviceType }
+  );
+
+  return bodyList;
+};
+
+export const decodeLogoutRemote: ProtocolDecoder<LogoutRemoteResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    targetDeviceType: message.bodyList[0],
+    resultCode: message.bodyList[1]
+  } as LogoutRemoteResponse;
+};
+
+export const decodeLogoutRemoteNotification: ProtocolDecoder<
+  LogoutRemoteNotification
+> = (message: ProtocolMessage) => {
+  return { requestDeviceType: message.bodyList[0] } as LogoutRemoteNotification;
+};
diff --git a/projects/ucap-webmessenger-protocol-authentication/src/lib/models/logout.ts b/projects/ucap-webmessenger-protocol-authentication/src/lib/models/logout.ts
index 469b122d..5b929175 100644
--- a/projects/ucap-webmessenger-protocol-authentication/src/lib/models/logout.ts
+++ b/projects/ucap-webmessenger-protocol-authentication/src/lib/models/logout.ts
@@ -1,8 +1,10 @@
-import { DeviceType } from '@ucap-webmessenger/core';
 import {
   ProtocolRequest,
   ProtocolResponse,
-  ProtocolNotification
+  ProtocolEncoder,
+  ProtocolDecoder,
+  ProtocolMessage,
+  PacketBody
 } from '@ucap-webmessenger/protocol';
 
 // tslint:disable-next-line: no-empty-interface
@@ -12,15 +14,16 @@ export interface LogoutResponse extends ProtocolResponse {
   reasonCode?: number;
 }
 
-export interface LogoutRemoteRequest extends ProtocolRequest {
-  targetDeviceType?: DeviceType;
-  requestDeviceType?: DeviceType;
-}
-export interface LogoutRemoteResponse extends ProtocolResponse {
-  targetDeviceType?: DeviceType;
-  resultCode?: number;
-}
+export const encodeLogout: ProtocolEncoder<LogoutRequest> = (
+  req: LogoutRequest
+) => {
+  const bodyList: PacketBody[] = [];
 
-export interface LogoutRemoteNotification extends ProtocolNotification {
-  requestDeviceType?: DeviceType;
-}
+  return bodyList;
+};
+
+export const decodeLogout: ProtocolDecoder<LogoutResponse> = (
+  message: ProtocolMessage
+) => {
+  return { reasonCode: message.bodyList[0] } as LogoutResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-authentication/src/lib/services/authentication-protocol.service.ts b/projects/ucap-webmessenger-protocol-authentication/src/lib/services/authentication-protocol.service.ts
index 717f430c..e3f50a32 100644
--- a/projects/ucap-webmessenger-protocol-authentication/src/lib/services/authentication-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-authentication/src/lib/services/authentication-protocol.service.ts
@@ -3,13 +3,13 @@ import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
 
+import { ProtocolService } from '@ucap-webmessenger/protocol';
 import {
-  ProtocolService,
-  PacketBody,
-  PacketBodyValue,
-  ServerMessage
-} from '@ucap-webmessenger/protocol';
-import { LoginRequest, LoginResponse } from '../models/login';
+  LoginRequest,
+  LoginResponse,
+  encodeLogin,
+  decodeLogin
+} from '../models/login';
 import {
   SVC_TYPE_LOGIN,
   SSVC_TYPE_LOGIN_REQ,
@@ -17,14 +17,18 @@ import {
   SSVC_TYPE_LOGOUT_REQ,
   SSVC_TYPE_LOGOUT_REMOTE_REQ
 } from '../types/service';
-import { RoleCode } from '../types/role-code';
 import {
   LogoutRequest,
   LogoutResponse,
-  LogoutRemoteRequest,
-  LogoutRemoteResponse,
-  LogoutRemoteNotification
+  encodeLogout,
+  decodeLogout
 } from '../models/logout';
+import {
+  encodeLogoutRemote,
+  decodeLogoutRemote,
+  LogoutRemoteRequest,
+  LogoutRemoteResponse
+} from '../models/logout-remote';
 
 @Injectable({
   providedIn: 'root'
@@ -33,132 +37,26 @@ export class AuthenticationProtocolService {
   constructor(private protocolService: ProtocolService) {}
 
   public login(req: LoginRequest): Observable<LoginResponse> {
-    const bodyList: PacketBody[] = [];
-
-    bodyList.push(
-      { type: PacketBodyValue.String, value: req.loginId },
-      { type: PacketBodyValue.String, value: req.loginPw },
-      { type: PacketBodyValue.String, value: req.deviceType },
-      { type: PacketBodyValue.String, value: req.deviceId },
-      { type: PacketBodyValue.String, value: req.token },
-      { type: PacketBodyValue.String, value: req.localeCode },
-      { type: PacketBodyValue.String, value: req.pushId },
-      { type: PacketBodyValue.String, value: req.companyCode },
-      { type: PacketBodyValue.Integer, value: req.passwordEncodingType },
-      { type: PacketBodyValue.String, value: req.clientVersion },
-      { type: PacketBodyValue.String, value: req.reconnect ? 'Y' : 'N' },
-      { type: PacketBodyValue.String, value: req.ip },
-      { type: PacketBodyValue.String, value: req.hostName },
-      { type: PacketBodyValue.Integer, value: req.encriptionData ? 2 : 1 },
-      { type: PacketBodyValue.String, value: req.userSpecificInformation },
-      { type: PacketBodyValue.String, value: req.productId },
-      { type: PacketBodyValue.String, value: req.productName }
-    );
-
-    if (req.encriptionData) {
-      bodyList.push(
-        { type: PacketBodyValue.String, value: req.encriptionData },
-        { type: PacketBodyValue.String, value: req.accessToken }
-      );
-    }
-
     return this.protocolService
-      .call(SVC_TYPE_LOGIN, SSVC_TYPE_LOGIN_REQ, ...bodyList)
-      .pipe(
-        map(res => {
-          return this.decodeLoginResponse(res);
-        })
-      );
-  }
-
-  public decodeLoginResponse(message: ServerMessage): LoginResponse {
-    return {
-      loginId: message.bodyList[0],
-      userSeq: message.bodyList[1],
-      userInfo: message.bodyList[2],
-      token: message.bodyList[3],
-      companyCode: message.bodyList[4],
-      departmentCode: message.bodyList[5],
-      userId: message.bodyList[6],
-      passwordEncodingType: message.bodyList[7],
-      encriptionKey: message.bodyList[8],
-      existingPid: message.bodyList[9] === 'Y' ? true : false,
-      roleCode: message.bodyList[10] as RoleCode,
-      statusMessage1: message.bodyList[11],
-      statusMessage2: message.bodyList[12],
-      statusMessage3: message.bodyList[13],
-      fileDownloadAllow: message.bodyList[14] === 'Y' ? true : false,
-      fileRetentionPeriod: message.bodyList[15],
-      passwordValidityPeriod: message.bodyList[16],
-      privateInformationAgree: message.bodyList[17] === 'Y' ? true : false,
-      madn: message.bodyList[18],
-      hardPhoneSadn: message.bodyList[19],
-      fmcSadn: message.bodyList[20],
-      pbxIndex: message.bodyList[21],
-      passwordExpired: message.bodyList[22] === 'Y' ? true : false,
-      validAccount: message.bodyList[23] === 'Y' ? true : false,
-      validDevice: message.bodyList[24] === 'Y' ? true : false,
-      useableDevice: message.bodyList[25] === 'Y' ? true : false,
-      deviceScreenForcedLock: message.bodyList[26] === 'Y' ? true : false,
-      tokenString: message.bodyList[27],
-      havePermissionsForIntegratedMessageBox:
-        message.bodyList[28] === 'Y' ? true : false,
-      talkWithMeBotSeq: message.bodyList[29],
-      pinCode: message.bodyList[30],
-      permissionsForViewSchedule: message.bodyList[31],
-      havePermissionsForDevice: message.bodyList[32] === 'Y' ? true : false
-    } as LoginResponse;
+      .call(SVC_TYPE_LOGIN, SSVC_TYPE_LOGIN_REQ, ...encodeLogin(req))
+      .pipe(map(res => decodeLogin(res)));
   }
 
   public logout(req: LogoutRequest): Observable<LogoutResponse> {
     return this.protocolService
-      .call(SVC_TYPE_LOGOUT, SSVC_TYPE_LOGOUT_REQ)
-      .pipe(
-        map(res => {
-          return this.decodeLogoutResponse(res);
-        })
-      );
-  }
-
-  public decodeLogoutResponse(message: ServerMessage): LogoutResponse {
-    return {
-      reasonCode: message.bodyList[0]
-    } as LogoutResponse;
+      .call(SVC_TYPE_LOGOUT, SSVC_TYPE_LOGOUT_REQ, ...encodeLogout(req))
+      .pipe(map(res => decodeLogout(res)));
   }
 
   public logoutRemote(
     req: LogoutRemoteRequest
   ): Observable<LogoutRemoteResponse> {
-    const bodyList: PacketBody[] = [];
-
-    bodyList.push(
-      { type: PacketBodyValue.String, value: req.targetDeviceType },
-      { type: PacketBodyValue.String, value: req.requestDeviceType }
-    );
-
     return this.protocolService
-      .call(SVC_TYPE_LOGOUT, SSVC_TYPE_LOGOUT_REMOTE_REQ, ...bodyList)
-      .pipe(
-        map(res => {
-          return this.decodeLogoutRemoteResponse(res);
-        })
-      );
-  }
-
-  public decodeLogoutRemoteResponse(
-    message: ServerMessage
-  ): LogoutRemoteResponse {
-    return {
-      targetDeviceType: message.bodyList[0],
-      resultCode: message.bodyList[1]
-    } as LogoutRemoteResponse;
-  }
-
-  public decodeLogoutRemoteNotification(
-    message: ServerMessage
-  ): LogoutRemoteNotification {
-    return {
-      requestDeviceType: message.bodyList[0]
-    } as LogoutRemoteNotification;
+      .call(
+        SVC_TYPE_LOGOUT,
+        SSVC_TYPE_LOGOUT_REMOTE_REQ,
+        ...encodeLogoutRemote(req)
+      )
+      .pipe(map(res => decodeLogoutRemote(res)));
   }
 }
diff --git a/projects/ucap-webmessenger-protocol-authentication/src/public-api.ts b/projects/ucap-webmessenger-protocol-authentication/src/public-api.ts
index d4f62e76..ea35d110 100644
--- a/projects/ucap-webmessenger-protocol-authentication/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-authentication/src/public-api.ts
@@ -5,6 +5,7 @@
 export * from './lib/models/fmc';
 export * from './lib/models/login';
 export * from './lib/models/logout';
+export * from './lib/models/logout-remote';
 
 export * from './lib/services/authentication-protocol.service';
 
diff --git a/projects/ucap-webmessenger-protocol-inner/src/lib/models/conn.ts b/projects/ucap-webmessenger-protocol-inner/src/lib/models/conn.ts
index dc5b908d..5547be41 100644
--- a/projects/ucap-webmessenger-protocol-inner/src/lib/models/conn.ts
+++ b/projects/ucap-webmessenger-protocol-inner/src/lib/models/conn.ts
@@ -1,8 +1,26 @@
-import { DeviceType, LocaleCode } from '@ucap-webmessenger/core';
-import { ProtocolRequest, ProtocolResponse } from '@ucap-webmessenger/protocol';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
 
 // tslint:disable-next-line: no-empty-interface
 export interface ConnRequest extends ProtocolRequest {}
 
 // tslint:disable-next-line: no-empty-interface
 export interface ConnResponse extends ProtocolResponse {}
+
+export const encodeConn: ProtocolEncoder<ConnRequest> = (req: ConnRequest) => {
+  const bodyList: PacketBody[] = [];
+
+  return bodyList;
+};
+
+export const decodeConn: ProtocolDecoder<ConnResponse> = (
+  message: ProtocolMessage
+) => {
+  return {} as ConnResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-inner/src/lib/services/inner-protocol.service.ts b/projects/ucap-webmessenger-protocol-inner/src/lib/services/inner-protocol.service.ts
index 26131ed0..12835ac5 100644
--- a/projects/ucap-webmessenger-protocol-inner/src/lib/services/inner-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-inner/src/lib/services/inner-protocol.service.ts
@@ -5,7 +5,12 @@ import { map } from 'rxjs/operators';
 
 import { ProtocolService } from '@ucap-webmessenger/protocol';
 
-import { ConnResponse, ConnRequest } from '../models/conn';
+import {
+  ConnResponse,
+  ConnRequest,
+  encodeConn,
+  decodeConn
+} from '../models/conn';
 import { SVC_TYPE_INNER, SSVC_TYPE_CONN_REQ } from '../types/service';
 
 @Injectable({
@@ -15,10 +20,8 @@ export class InnerProtocolService {
   constructor(private protocolService: ProtocolService) {}
 
   public conn(req: ConnRequest): Observable<ConnResponse> {
-    return this.protocolService.call(SVC_TYPE_INNER, SSVC_TYPE_CONN_REQ).pipe(
-      map(res => {
-        return {} as ConnResponse;
-      })
-    );
+    return this.protocolService
+      .call(SVC_TYPE_INNER, SSVC_TYPE_CONN_REQ, ...encodeConn(req))
+      .pipe(map(res => decodeConn(res)));
   }
 }
diff --git a/projects/ucap-webmessenger-protocol/src/lib/models/protocol.ts b/projects/ucap-webmessenger-protocol/src/lib/models/protocol.ts
index b042de4e..6f68868e 100644
--- a/projects/ucap-webmessenger-protocol/src/lib/models/protocol.ts
+++ b/projects/ucap-webmessenger-protocol/src/lib/models/protocol.ts
@@ -1,3 +1,5 @@
+import { PacketBody } from './packet';
+
 export interface ProtocolRequest {
   _id?: string;
 }
@@ -8,3 +10,14 @@ export interface ProtocolResponse {
 
 // tslint:disable-next-line: no-empty-interface
 export interface ProtocolNotification {}
+
+export interface ProtocolMessage {
+  serviceType: number;
+  subServiceType: number;
+  senderSeq: number;
+  bodyList: any[];
+}
+
+export type ProtocolEncoder<REQ> = (req: REQ) => PacketBody[];
+
+export type ProtocolDecoder<RES> = (message: ProtocolMessage) => RES;
diff --git a/projects/ucap-webmessenger-protocol/src/lib/services/protocol.service.ts b/projects/ucap-webmessenger-protocol/src/lib/services/protocol.service.ts
index 616bd65a..d18f3605 100644
--- a/projects/ucap-webmessenger-protocol/src/lib/services/protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol/src/lib/services/protocol.service.ts
@@ -20,16 +20,10 @@ import {
 } from '../types/packet-body-divider';
 import { PacketBodyValue } from '../types/packet-body-value.type';
 import { SSVC_TYPE_ERROR_RES, ServerErrorCode } from '../types/service';
-
-export interface ServerMessage {
-  serviceType: number;
-  subServiceType: number;
-  senderSeq: number;
-  bodyList: any[];
-}
+import { ProtocolMessage } from '../models/protocol';
 
 interface RequestState {
-  subject: Subject<ServerMessage>;
+  subject: Subject<ProtocolMessage>;
   request: {
     serviceType: number;
     subServiceType: number;
@@ -48,8 +42,8 @@ export class ProtocolService {
   private socket$: Observable<GetWebSocketResponses<any>>;
   private messages$: Observable<any>;
   private messagesSubscription: Subscription | null = null;
-  private serverMessageSubject: Subject<ServerMessage> | null = null;
-  private serverMessage$: Observable<ServerMessage> | null = null;
+  private serverMessageSubject: Subject<ProtocolMessage> | null = null;
+  private serverMessage$: Observable<ProtocolMessage> | null = null;
 
   constructor(@Inject(_MODULE_CONFIG) private moduleConfig: ModuleConfig) {
     this.pendingRequests = new Map();
@@ -131,7 +125,7 @@ export class ProtocolService {
     this.messagesSubscription.unsubscribe();
   }
 
-  public get serverMessage(): Observable<ServerMessage> {
+  public get serverMessage(): Observable<ProtocolMessage> {
     return this.serverMessage$;
   }
 
@@ -139,7 +133,7 @@ export class ProtocolService {
     serviceType: number | null,
     subServiceType: number | null,
     ...bodyList: PacketBody[]
-  ): Observable<ServerMessage> {
+  ): Observable<ProtocolMessage> {
     return this.sendInternal(true, serviceType, subServiceType, bodyList);
   }
 
@@ -156,9 +150,9 @@ export class ProtocolService {
     serviceType: number,
     subServiceType: number,
     bodyList: PacketBody[]
-  ): Observable<ServerMessage> | undefined {
+  ): Observable<ProtocolMessage> | undefined {
     let packet: string;
-    let responseSubject: Subject<ServerMessage> | null = null;
+    let responseSubject: Subject<ProtocolMessage> | null = null;
 
     if (hasResponse) {
       const requestId = this.requestId;
@@ -168,7 +162,7 @@ export class ProtocolService {
         { type: PacketBodyValue.RequestId, value: requestId }
       ]);
 
-      responseSubject = new Subject<ServerMessage>();
+      responseSubject = new Subject<ProtocolMessage>();
       this.pendingRequests.set(requestId, {
         subject: responseSubject,
         request: { serviceType, subServiceType, bodyList }
@@ -195,7 +189,7 @@ export class ProtocolService {
 
   private decodePacket(
     arg: string[]
-  ): { requestId: number; message: ServerMessage } | null {
+  ): { requestId: number; message: ProtocolMessage } | null {
     const cmdArg = arg[0].split(PacketBodyValueDivider);
     if (2 > cmdArg.length) {
       // OnError(3);