In addition to these functions should there be other? For example, transfer files

[phonefixnicole]

New Issue Checklist

• [ ] 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];

Title for logs

```logos // Your logs here ```

Steps to reproduce the behavior

Any others comments

[sshaforenkoqb]

@phonefixnicole Please provide additional details.