Audio and video call notifications in chat window

Audio and video call notifications in chat window

A user will receive notifications for audio and video calls on the chat screen.
Let us look at the different call notifications illustrated below where Scott Fisher initiates a call and Emma Cartner receives the call.
 
S.No
 Scenario
Scott Fisher
Emma Cartner
1.When both the users engaged in a video call for 5 mins
Video call 5 mins.
   Call again
Video call 5 mins.
   Call again
2.When Scott initiates and then cancels a video call
You cancelled a video call.
   Call again
Scott cancelled a video call.   Call back
3.When Scott initiates a video call and Emma misses it
Emma missed your video call.  
  Call again
You missed a video call.
   Call back
4.When Scott initiates a video call and Emma declines it
Emma declined your video call.  
  Call again
You declined a video call.    Call back