Latest version of VoIP SIP SDK for Windows is available. Change log: 330. Removed port audio/port mixer dependencies. Audio subpart of project rewritten using original sipxtapi sources with improvements. 331. Added new method StartCall3, allows update From header in outgoing … READ MORE

ABTO Software released new version of VoIP SIP SDK for Windows 4.8.1203.4. Recent changes of VoIP SIP SDK for Windows: improved playing of long wav files; added ability to use different video devices in different sdk instances created in signle … READ MORE

New version of VoIP SIP SDK v4.7 (build 27.02.2014) for Windows includes the following main changes: 276. Added new method GetSIPHeaderValueArr, returns array of values of specified header name. 277. Added ability to mute local video. See new method MuteLocalVideo 278. … READ MORE

New version of VoIP SIP SDK v4.7 (build 15.01.2014) for Windows includes the following main changes: 271. Improved external address resolution via STUN Now it works much faster. Also SDK uses this even when seleected TCP transport 272. Improved mlSampleWindowCS example … READ MORE

New version of VoIP SIP SDK v4.7 (build 13.11.2013) includes the following main changes: 264. Added new method BindToAudioDevices() 265. Fixed handling multiples calls bugs in VB example 266. Added new method AttendedTransferCallLine() To update VoIP SIP SDK for Windows please proceed … READ MORE