Update VoIP SIP SDK for Windows

Please download our latest VoIP SIP SDK for Windows

Change log:
– Fixed potential crash on stop sending RTP and closing connection
– Fixed potential crash on making call without registration
– Improved C# wrapper file. Added ability to create multiple phone instances
– Added new method ‘CalcAudioFileDuration’
– Fixed bug with video call when SDP contains more then 2 media’s
– Added new methods: StartPlayVideoFile, StopPlayVideoFile, StopScreenSharing, StartScreenSharing
– Fixed SDP parser bug. In case when attributes order is different then expected, media line parsing could be skipped