diff --git a/common/src/enums/websocket-message-type.ts b/common/src/enums/websocket-message-type.ts
index b9277c2..1152101 100644
--- a/common/src/enums/websocket-message-type.ts
+++ b/common/src/enums/websocket-message-type.ts
@@ -21,4 +21,8 @@
   WebRTCOffer = 'webrtc-offer',
   WebRTCAnswer = 'webrtc-answer',
   IceCandidate = 'ice-candidate',
+  CallBegin = 'call-begin',
+  CallAccept = 'call-accept',
+  CallRefuse = 'call-refuse',
+  CallEnd = 'call-end',
 }