New release of SIP SDK for iPhone

Posted on March 29, 2017May 1, 2019

Please download our latest VoIP SIP SDK for iPhone with stable background mode: Change log: – added swift3 example app – added new settings RegisterTimeout/InviteTimeout – added OPUS codec – fixed handling network connection state when TLS transport used – redesigned background … READ MORE

New release of SIP SDK for iPhone

Posted on September 27, 2016

ABTO Software’s VoIP SIP SDK team is happy to present you with a new release of our SIP SDK for iOS with NAT64 support. It allows to make calls from IPv6 network to IPv4 one, and vice versa. Please download … READ MORE

Update VoIP SIP SDK for iPhone

Posted on August 18, 2016May 1, 2019

Please download our latest VoIP SIP SDK for iPhone. Change log: – IPv6 support added – Fixed bug in method answerCall no video – Improved cameras switching

Update VoIP SIP SDK for iPhone

Posted on March 10, 2015February 17, 2016

VoIP SIP SDK for iOS (iPhone and iPad) with support of 64-bit architecture is released. The latest version provides: support of 64-bit architecture; SIP/RTP support; STUN and other IETF standards (compatible with SER, OpenSER and Asterisk); SIP Registrar (SIP server) … READ MORE

Update VoIP SIP SDK for iPhone

Posted on October 20, 2014February 17, 2016

Please visit our Download page to try updated trial VoIP SIP SDK for iPhone.

Update VoIP SIP SDK for iPhone

Posted on December 30, 2013February 17, 2016

ABTO Software announces release of updated version of VoIP SIP SDK for iPhone. The latest version supports: iOS 7 support; work in background mode; secure connection via sRTP. changing camera orientation; switching between multiple cameras. To try the updated version … READ MORE