Call sdk is not working on Android

Video or Audio calls are not working on emulator or any physical device, i have tried both the way, i have followed your GitHub demo project and for development some part of your code your used as of now but still its not working.

I have successfully integrated the chatting functionality but while integrating call sdk i am facing this issue.

User A is calling as you can see in bellow image but User B is not getting the call notification, i have debug the code background service is working fine please help me with this issue i have deadline to achieve.

@manishahire , are you able to make a call using the pre-compiled Android or iOS quickstart apps?