Making outgoing video call app gets crashed and sometimes it works fine but the other times it just stops working. Please help if anyone can.

[vena-champaneri]

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• [ ] I have read the Documentation
• [ ] I have searched for a similar issue in the project and found none

Environment details

Info	Value
iOS Version	e.g. 8.0
Quickblox iOS SDK version	e.g. 2.7.6
QuickbloxWebRTC SDK version	e.g. 2.2.1
Xcode Version	e.g. Xcode 8.1
Repro with our demo sample	e.g. does it happen with our demo sample?

Did this work before?

Expected behavior

Actual behavior

Logs

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[QBSettings setLogLevel:QBLogLevelDebug];
[QBSettings enableXMPPLogging];

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Steps to reproduce the behavior

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