Update VoIP SIP SDK for Windows

Please download our latest VoIP SIP SDK for Windows. Change log: – Fixed sending tones when received fmtp string in uppercase – “TELEPHONE-EVENT” – Fixed bug with freezing when unplugging usb audio. – Modified methods declaration in dll interface – Fixed ‘codec_g722.dll’, ‘codec_g726.dll’ now they don’t require additional dll – Redesigned … READ MORE

VoIP SIP SDK for macOS – new product release

ABTO Software announces the release of VoIP SIP SDK for macOS (Mac OS X/ OS X) that allows you to quickly build a custom softphone app for Mac. The softphone suits needs of most users and provides the following functionality: – voice and video … READ MORE