diff --git a/projects/ucap-webmessenger-app/src/app/pages/messenger/components/main.page.component.html b/projects/ucap-webmessenger-app/src/app/pages/messenger/components/main.page.component.html
index e1c2a904..5b0e9a0d 100644
--- a/projects/ucap-webmessenger-app/src/app/pages/messenger/components/main.page.component.html
+++ b/projects/ucap-webmessenger-app/src/app/pages/messenger/components/main.page.component.html
@@ -13,7 +13,7 @@
       ></app-layout-messenger-messages>
     </div>
     <mat-drawer #drawer mode="side" position="end">
-      <p>sidenav</p>
+      <p>Auto-resizing sidenav</p>
     </mat-drawer>
   </mat-drawer-container>
 
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 474bbdb3..4a1e460c 100644
--- a/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
+++ b/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
@@ -12,13 +12,53 @@ import {
   LogoutRemoteNotification
 } from '@ucap-webmessenger/protocol-authentication';
 
-import * as AuthenticationStore from '../store/account/authentication';
+import * as AuthenticationStore from '@app/store/account/authentication';
 import { NGXLogger } from 'ngx-logger';
+import {
+  EventProtocolService,
+  SSVC_TYPE_EVENT_SEND_NOTI,
+  SendNotification,
+  SSVC_TYPE_EVENT_READ_NOTI,
+  SSVC_TYPE_EVENT_CANCEL_NOTI,
+  SSVC_TYPE_EVENT_DEL_RES
+} from '@ucap-webmessenger/protocol-event';
+import {
+  InfoProtocolService,
+  SSVC_TYPE_INFO_USER_NOTI,
+  UserNotification
+} from '@ucap-webmessenger/protocol-info';
+import {
+  RoomProtocolService,
+  SSVC_TYPE_ROOM_INVITE_NOTI,
+  SSVC_TYPE_ROOM_EXIT_NOTI,
+  SSVC_TYPE_ROOM_EXIT_FORCING_NOTI,
+  SSVC_TYPE_ROOM_FONT_UPD_NOTI,
+  InviteNotification
+} from '@ucap-webmessenger/protocol-room';
+import {
+  StatusProtocolService,
+  SSVC_TYPE_STATUS_NOTI,
+  StatusNotification
+} from '@ucap-webmessenger/protocol-status';
+import {
+  ReadNotification,
+  CancelNotification,
+  DelNotification
+} from '@ucap-webmessenger/protocol-event';
+import {
+  ExitNotification,
+  ExitForcingNotification,
+  UpdateFontNotification
+} from '@ucap-webmessenger/protocol-room';
 
 @Injectable()
 export class AppNotificationService {
   constructor(
     private authenticationProtocolService: AuthenticationProtocolService,
+    private eventProtocolService: EventProtocolService,
+    private infoProtocolService: InfoProtocolService,
+    private roomProtocolService: RoomProtocolService,
+    private statusProtocolService: StatusProtocolService,
     private store: Store<any>,
     private logger: NGXLogger
   ) {}
@@ -31,11 +71,19 @@ export class AppNotificationService {
             case SSVC_TYPE_LOGOUT_RES:
               {
                 const res = notiOrRes as LogoutResponse;
+                this.logger.debug(
+                  'Notification::authenticationProtocolService::LogoutResponse',
+                  res
+                );
               }
               break;
             case SSVC_TYPE_LOGOUT_REMOTE_NOTI:
               {
                 const noti = notiOrRes as LogoutRemoteNotification;
+                this.logger.debug(
+                  'Notification::authenticationProtocolService::LogoutRemoteNotification',
+                  noti
+                );
               }
               break;
             default:
@@ -45,5 +93,136 @@ export class AppNotificationService {
         })
       )
       .subscribe();
+
+    this.eventProtocolService.notification$
+      .pipe(
+        tap(notiOrRes => {
+          switch (notiOrRes.Type) {
+            case SSVC_TYPE_EVENT_SEND_NOTI:
+              {
+                const noti = notiOrRes as SendNotification;
+                this.logger.debug(
+                  'Notification::eventProtocolService::SendNotification',
+                  noti
+                );
+              }
+              break;
+            case SSVC_TYPE_EVENT_READ_NOTI:
+              {
+                const noti = notiOrRes as ReadNotification;
+                this.logger.debug(
+                  'Notification::eventProtocolService::ReadNotification',
+                  noti
+                );
+              }
+              break;
+            case SSVC_TYPE_EVENT_CANCEL_NOTI:
+              {
+                const noti = notiOrRes as CancelNotification;
+                this.logger.debug(
+                  'Notification::eventProtocolService::CancelNotification',
+                  noti
+                );
+              }
+              break;
+            case SSVC_TYPE_EVENT_DEL_RES:
+              {
+                const noti = notiOrRes as DelNotification;
+                this.logger.debug(
+                  'Notification::eventProtocolService::DelNotification',
+                  noti
+                );
+              }
+              break;
+            default:
+              break;
+          }
+        })
+      )
+      .subscribe();
+    this.infoProtocolService.notification$
+      .pipe(
+        tap(notiOrRes => {
+          switch (notiOrRes.Type) {
+            case SSVC_TYPE_INFO_USER_NOTI:
+              {
+                const noti = notiOrRes as UserNotification;
+                this.logger.debug(
+                  'Notification::infoProtocolService::UserNotification',
+                  noti
+                );
+              }
+              break;
+            default:
+              break;
+          }
+        })
+      )
+      .subscribe();
+    this.roomProtocolService.notification$
+      .pipe(
+        tap(notiOrRes => {
+          switch (notiOrRes.Type) {
+            case SSVC_TYPE_ROOM_INVITE_NOTI:
+              {
+                const noti = notiOrRes as InviteNotification;
+                this.logger.debug(
+                  'Notification::roomProtocolService::InviteNotification',
+                  noti
+                );
+              }
+              break;
+            case SSVC_TYPE_ROOM_EXIT_NOTI:
+              {
+                const noti = notiOrRes as ExitNotification;
+                this.logger.debug(
+                  'Notification::roomProtocolService::ExitNotification',
+                  noti
+                );
+              }
+              break;
+            case SSVC_TYPE_ROOM_EXIT_FORCING_NOTI:
+              {
+                const noti = notiOrRes as ExitForcingNotification;
+                this.logger.debug(
+                  'Notification::roomProtocolService::ExitForcingNotification',
+                  noti
+                );
+              }
+              break;
+            case SSVC_TYPE_ROOM_FONT_UPD_NOTI:
+              {
+                const noti = notiOrRes as UpdateFontNotification;
+                this.logger.debug(
+                  'Notification::roomProtocolService::UpdateFontNotification',
+                  noti
+                );
+              }
+              break;
+            default:
+              break;
+          }
+        })
+      )
+      .subscribe();
+    this.statusProtocolService.notification$
+      .pipe(
+        tap(notiOrRes => {
+          switch (notiOrRes.Type) {
+            case SSVC_TYPE_STATUS_NOTI:
+              {
+                const noti = notiOrRes as StatusNotification;
+                this.logger.debug(
+                  'Notification::statusProtocolService::StatusNotification',
+                  noti
+                );
+              }
+              break;
+            default:
+              break;
+          }
+        })
+      )
+      .subscribe();
   }
 }
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 1cd48016..ea22b397 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
@@ -34,16 +34,14 @@ import {
   LogoutRemoteNotification
 } from '../protocols/logout-remote';
 
+type Notifications = LogoutResponse | LogoutRemoteNotification;
+
 @Injectable({
   providedIn: 'root'
 })
 export class AuthenticationProtocolService {
-  private logoutNotificationSubject: Subject<
-    LogoutResponse | LogoutRemoteNotification
-  >;
-  public logoutNotification$: Observable<
-    LogoutResponse | LogoutRemoteNotification
-  >;
+  private logoutNotificationSubject: Subject<Notifications>;
+  public logoutNotification$: Observable<Notifications>;
 
   constructor(private protocolService: ProtocolService) {
     this.logoutNotificationSubject = new Subject();
diff --git a/projects/ucap-webmessenger-protocol-event/src/lib/services/event-protocol.service.ts b/projects/ucap-webmessenger-protocol-event/src/lib/services/event-protocol.service.ts
index bf4156ae..6b64183b 100644
--- a/projects/ucap-webmessenger-protocol-event/src/lib/services/event-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-event/src/lib/services/event-protocol.service.ts
@@ -31,20 +31,27 @@ import {
   SSVC_TYPE_EVENT_READ_REQ,
   SSVC_TYPE_EVENT_DEL_REQ,
   SSVC_TYPE_EVENT_CANCEL_REQ,
-  SSVC_TYPE_EVENT_CANCEL_NOTI
+  SSVC_TYPE_EVENT_CANCEL_NOTI,
+  SSVC_TYPE_EVENT_SEND_NOTI,
+  SSVC_TYPE_EVENT_READ_NOTI,
+  SSVC_TYPE_EVENT_DEL_RES
 } from '../types/service';
 import {
   SendRequest,
   SendResponse,
   decodeSend,
-  encodeSend
+  encodeSend,
+  decodeSendNotification,
+  SendNotification
 } from '../protocols/send';
 import { PushRequest, encodePush } from '../protocols/push';
 import {
   ReadResponse,
   ReadRequest,
   encodeRead,
-  decodeRead
+  decodeRead,
+  decodeReadNotification,
+  ReadNotification
 } from '../protocols/read';
 import {
   DelRequest,
@@ -60,33 +67,62 @@ import {
   CancelNotification,
   decodeCancelNotification
 } from '../protocols/cancel';
+import { decodeDelNotification, DelNotification } from '../protocols/del';
+
+type Notifications =
+  | SendNotification
+  | ReadNotification
+  | CancelNotification
+  | DelNotification;
 
 @Injectable({
   providedIn: 'root'
 })
 export class EventProtocolService {
-  private eventNotificationSubject: Subject<CancelNotification>;
-  public eventNotification$: Observable<CancelNotification>;
+  private notificationSubject: Subject<Notifications>;
+  public notification$: Observable<Notifications>;
 
   constructor(private protocolService: ProtocolService) {
-    this.eventNotificationSubject = new Subject();
-    this.eventNotification$ = this.eventNotificationSubject
-      .asObservable()
-      .pipe(share());
+    this.notificationSubject = new Subject();
+    this.notification$ = this.notificationSubject.asObservable().pipe(share());
 
     this.protocolService.serverMessage
       .pipe(
         filter(message => message.serviceType === SVC_TYPE_EVENT),
         tap(message => {
           switch (message.subServiceType) {
+            case SSVC_TYPE_EVENT_SEND_NOTI:
+              {
+                this.notificationSubject.next({
+                  ...decodeSendNotification(message),
+                  Type: SSVC_TYPE_EVENT_SEND_NOTI
+                });
+              }
+              break;
+            case SSVC_TYPE_EVENT_READ_NOTI:
+              {
+                this.notificationSubject.next({
+                  ...decodeReadNotification(message),
+                  Type: SSVC_TYPE_EVENT_READ_NOTI
+                });
+              }
+              break;
             case SSVC_TYPE_EVENT_CANCEL_NOTI:
               {
-                this.eventNotificationSubject.next({
+                this.notificationSubject.next({
                   ...decodeCancelNotification(message),
                   Type: SSVC_TYPE_EVENT_CANCEL_NOTI
                 });
               }
               break;
+            case SSVC_TYPE_EVENT_DEL_RES:
+              {
+                this.notificationSubject.next({
+                  ...decodeDelNotification(message),
+                  Type: SSVC_TYPE_EVENT_DEL_RES
+                });
+              }
+              break;
             default:
               break;
           }
diff --git a/projects/ucap-webmessenger-protocol-event/src/public-api.ts b/projects/ucap-webmessenger-protocol-event/src/public-api.ts
index 44ee9937..33179b83 100644
--- a/projects/ucap-webmessenger-protocol-event/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-event/src/public-api.ts
@@ -4,14 +4,18 @@
 
 export * from './lib/models/info';
 
+export * from './lib/protocols/cancel';
+export * from './lib/protocols/del';
 export * from './lib/protocols/info';
+export * from './lib/protocols/push';
+export * from './lib/protocols/read';
 export * from './lib/protocols/send';
 
 export * from './lib/services/event-protocol.service';
 
-export * from './lib/ucap-event-protocol.module';
-
 export * from './lib/types/event.type';
 export * from './lib/types/push-cl.type';
 export * from './lib/types/push-status.type';
 export * from './lib/types/service';
+
+export * from './lib/ucap-event-protocol.module';
diff --git a/projects/ucap-webmessenger-protocol-info/src/lib/services/info-protocol.service.ts b/projects/ucap-webmessenger-protocol-info/src/lib/services/info-protocol.service.ts
index 35bc132b..97b6fc76 100644
--- a/projects/ucap-webmessenger-protocol-info/src/lib/services/info-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-info/src/lib/services/info-protocol.service.ts
@@ -1,7 +1,7 @@
 import { Injectable } from '@angular/core';
 
-import { Observable } from 'rxjs';
-import { map, take } from 'rxjs/operators';
+import { Observable, Subject } from 'rxjs';
+import { map, take, share, filter, tap } from 'rxjs/operators';
 
 import { ProtocolService } from '@ucap-webmessenger/protocol';
 import {
@@ -9,13 +9,16 @@ import {
   SSVC_TYPE_INFO_USER_REQ,
   SSVC_TYPE_INFO_STATE_REQ,
   SSVC_TYPE_INFO_USER_OPTION_REQ,
-  SSVC_TYPE_INFO_USER_OPTION_UPD_REQ
+  SSVC_TYPE_INFO_USER_OPTION_UPD_REQ,
+  SSVC_TYPE_INFO_USER_NOTI
 } from '../types/service';
 import {
   UserRequest,
   encodeUser,
   UserResponse,
-  decodeUser
+  decodeUser,
+  decodeUserNotification,
+  UserNotification
 } from '../protocols/user';
 import {
   StatusRequest,
@@ -32,11 +35,40 @@ import {
   decodeUserOptionUpdate
 } from '../protocols/user-option';
 
+type Notifications = UserNotification;
+
 @Injectable({
   providedIn: 'root'
 })
 export class InfoProtocolService {
-  constructor(private protocolService: ProtocolService) {}
+  private notificationSubject: Subject<Notifications>;
+  public notification$: Observable<Notifications>;
+
+  constructor(private protocolService: ProtocolService) {
+    this.notificationSubject = new Subject();
+    this.notification$ = this.notificationSubject.asObservable().pipe(share());
+
+    this.protocolService.serverMessage
+      .pipe(
+        filter(message => message.serviceType === SVC_TYPE_INFO),
+        tap(message => {
+          switch (message.subServiceType) {
+            case SSVC_TYPE_INFO_USER_NOTI:
+              {
+                this.notificationSubject.next({
+                  ...decodeUserNotification(message),
+                  Type: SSVC_TYPE_INFO_USER_NOTI
+                });
+              }
+              break;
+
+            default:
+              break;
+          }
+        })
+      )
+      .subscribe();
+  }
 
   public user(req: UserRequest): Observable<UserResponse> {
     return this.protocolService
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 a0109103..2aa215db 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
@@ -1,7 +1,7 @@
 import { Injectable } from '@angular/core';
 
-import { Observable } from 'rxjs';
-import { map, take, takeWhile } from 'rxjs/operators';
+import { Observable, Subject } from 'rxjs';
+import { map, take, takeWhile, share, tap, filter } from 'rxjs/operators';
 
 import { ProtocolService } from '@ucap-webmessenger/protocol';
 import {
@@ -22,7 +22,11 @@ import {
   SSVC_TYPE_ROOM_USER_STATUS_REQ,
   SSVC_TYPE_ROOM_UPD_REQ,
   SSVC_TYPE_ROOM_INFO_UPD_REQ,
-  SSVC_TYPE_ROOM_FONT_UPD_REQ
+  SSVC_TYPE_ROOM_FONT_UPD_REQ,
+  SSVC_TYPE_ROOM_INVITE_NOTI,
+  SSVC_TYPE_ROOM_EXIT_NOTI,
+  SSVC_TYPE_ROOM_EXIT_FORCING_NOTI,
+  SSVC_TYPE_ROOM_FONT_UPD_NOTI
 } from '../types/service';
 import {
   OpenRequest,
@@ -46,7 +50,9 @@ import {
   InviteRequest,
   InviteResponse,
   encodeInvite,
-  decodeInvite
+  decodeInvite,
+  decodeInviteNotification,
+  InviteNotification
 } from '../protocols/invite';
 import {
   InfoRequest,
@@ -76,7 +82,11 @@ import {
   encodeExitForcing,
   decodeExitForcing,
   decodeAllExit,
-  ExitAllResponse
+  ExitAllResponse,
+  decodeExitForcingNotification,
+  decodeExitNotification,
+  ExitNotification,
+  ExitForcingNotification
 } from '../protocols/exit';
 import {
   UpdateRequest,
@@ -90,14 +100,73 @@ import {
   UpdateFontRequest,
   UpdateFontResponse,
   encodeUpdateFont,
-  decodeUpdateFont
+  decodeUpdateFont,
+  decodeUpdateFontNotification,
+  UpdateFontNotification
 } from '../protocols/update';
 
+type Notifications =
+  | UpdateFontNotification
+  | InviteNotification
+  | ExitNotification
+  | ExitForcingNotification;
+
 @Injectable({
   providedIn: 'root'
 })
 export class RoomProtocolService {
-  constructor(private protocolService: ProtocolService) {}
+  private notificationSubject: Subject<Notifications>;
+  public notification$: Observable<Notifications>;
+
+  constructor(private protocolService: ProtocolService) {
+    this.notificationSubject = new Subject();
+    this.notification$ = this.notificationSubject.asObservable().pipe(share());
+
+    this.protocolService.serverMessage
+      .pipe(
+        filter(message => message.serviceType === SVC_TYPE_ROOM),
+        tap(message => {
+          switch (message.subServiceType) {
+            case SSVC_TYPE_ROOM_INVITE_NOTI:
+              {
+                this.notificationSubject.next({
+                  ...decodeInviteNotification(message),
+                  Type: SSVC_TYPE_ROOM_INVITE_NOTI
+                });
+              }
+              break;
+            case SSVC_TYPE_ROOM_EXIT_NOTI:
+              {
+                this.notificationSubject.next({
+                  ...decodeExitNotification(message),
+                  Type: SSVC_TYPE_ROOM_EXIT_NOTI
+                });
+              }
+              break;
+            case SSVC_TYPE_ROOM_EXIT_FORCING_NOTI:
+              {
+                this.notificationSubject.next({
+                  ...decodeExitForcingNotification(message),
+                  Type: SSVC_TYPE_ROOM_EXIT_FORCING_NOTI
+                });
+              }
+              break;
+            case SSVC_TYPE_ROOM_FONT_UPD_NOTI:
+              {
+                this.notificationSubject.next({
+                  ...decodeUpdateFontNotification(message),
+                  Type: SSVC_TYPE_ROOM_FONT_UPD_NOTI
+                });
+              }
+              break;
+
+            default:
+              break;
+          }
+        })
+      )
+      .subscribe();
+  }
 
   public open(req: OpenRequest): Observable<OpenResponse> {
     return this.protocolService
diff --git a/projects/ucap-webmessenger-protocol-room/src/public-api.ts b/projects/ucap-webmessenger-protocol-room/src/public-api.ts
index a8d42deb..ddf6144e 100644
--- a/projects/ucap-webmessenger-protocol-room/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-room/src/public-api.ts
@@ -6,11 +6,14 @@ export * from './lib/models/room-info';
 export * from './lib/models/user-info';
 export * from './lib/models/user-info-short';
 
+export * from './lib/protocols/exit';
 export * from './lib/protocols/info';
 export * from './lib/protocols/invite';
 export * from './lib/protocols/open';
+export * from './lib/protocols/update';
 
 export * from './lib/services/room-protocol.service';
+
 export * from './lib/types/employee.type';
 export * from './lib/types/room.type';
 export * from './lib/types/service';
diff --git a/projects/ucap-webmessenger-protocol-status/src/lib/services/status-protocol.service.ts b/projects/ucap-webmessenger-protocol-status/src/lib/services/status-protocol.service.ts
index adaefd64..f8e472ad 100644
--- a/projects/ucap-webmessenger-protocol-status/src/lib/services/status-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-status/src/lib/services/status-protocol.service.ts
@@ -1,14 +1,16 @@
 import { Injectable } from '@angular/core';
 
-import { Observable } from 'rxjs';
-import { map, take, takeWhile } from 'rxjs/operators';
+import { Observable, Subject } from 'rxjs';
+import { map, take, takeWhile, share, filter, tap } from 'rxjs/operators';
 
 import { ProtocolService } from '@ucap-webmessenger/protocol';
 import {
   StatusRequest,
   encodeStatus,
   decodeStatus,
-  StatusResponse
+  StatusResponse,
+  decodeStatusNotification,
+  StatusNotification
 } from '../protocols/status';
 import {
   SVC_TYPE_STATUS,
@@ -19,7 +21,8 @@ import {
   SSVC_TYPE_STATUS_BUDDY_REQ,
   SSVC_TYPE_STATUS_MSG_UPD_REQ,
   SSVC_TYPE_STATUS_SUBSCRIPT_REQ,
-  SSVC_TYPE_STATUS_UNSUBSCRIPT_REQ
+  SSVC_TYPE_STATUS_UNSUBSCRIPT_REQ,
+  SSVC_TYPE_STATUS_NOTI
 } from '../types/service';
 import {
   BulkInfoRequest,
@@ -47,11 +50,40 @@ import {
   encodeUnSubscribe
 } from '../protocols/unsubscribe';
 
+type Notifications = StatusNotification;
+
 @Injectable({
   providedIn: 'root'
 })
 export class StatusProtocolService {
-  constructor(private protocolService: ProtocolService) {}
+  private notificationSubject: Subject<Notifications>;
+  public notification$: Observable<Notifications>;
+
+  constructor(private protocolService: ProtocolService) {
+    this.notificationSubject = new Subject();
+    this.notification$ = this.notificationSubject.asObservable().pipe(share());
+
+    this.protocolService.serverMessage
+      .pipe(
+        filter(message => message.serviceType === SVC_TYPE_STATUS),
+        tap(message => {
+          switch (message.subServiceType) {
+            case SSVC_TYPE_STATUS_NOTI:
+              {
+                this.notificationSubject.next({
+                  ...decodeStatusNotification(message),
+                  Type: SSVC_TYPE_STATUS_NOTI
+                });
+              }
+              break;
+
+            default:
+              break;
+          }
+        })
+      )
+      .subscribe();
+  }
 
   public status(req: StatusRequest): Observable<StatusResponse> {
     return this.protocolService