title: Can't connect to [QBChat Instance] connect with User, in Quickblox
body: <p>I am using Quickblox Api, for chat and video chat. iOS. And I am using the latest version of the API</p>
  
  <p>When I try to Make a video call, 
  most of the times i don't get video, only audio. 
  i get video on both ends 1 out of 15 times. 
  3 out of 10 times video on one end. </p>
  
  <p>very weird. I have good internet connection. connecting to chat users are receiving the call. Can seem to find out the issue. </p>