on_incoming_call callback is not trigger

[krishnastvSMSC]

Version

{3.7.1}

File / Feature

{VSLEndpoint}

Expected behavior

{For incoming call invite "onIncomingCall" has to call but its not trigger from server}

Actual behavior

{No invite is coming from server if opposite person trigger audio call}

Stacktrace / Error message

{paste here}

Other info

{How to get incoming call from opponent id}

Please help us how to resolve the issue of incoming call

Thanks