Update VoIP SIP SDK for Android

Please download our latest VoIP SIP SDK for Android:

Change log:

– fixed possible crash when app tries to send DTMF and call is not established yet;
– fixed bug with selecting TCP transport (SDK continues using UDP);
– added ability to display received video on devices without camera;
– added more log output which helps on access video cam;
– updated Xamarin example app (added permissions request, re-added support v4, added content provider in manifest);
– added new event ‘onCallTransferRequest’, SDK raises it when received REFER request;
– added new event ‘onReceivedSipUpdateMsg’, SDK raises it when received UPDATE request;
– disabled re-invite feature, which has to adjust only one codec;
– modified video encoder settings, reduced latency;
– added new event ‘onRenderResolutionChanged’, SDK raises it when decode video frame and its resolution differs from previous