Please download our latest VoIP SIP SDK for iPhone: Change log: – fixed SRTP (reverted back to ‘1.5.4’ version); – fixed possible crash when ZRTP enabled only on one side; – added ability to automatically hang up incoming call, when previous call … READ MORE
Please download the new update of ABTO Software’s VoIP SIP SDK for iOS with the ability to subscribe/receive voicemail events/notifications (MWI) and new H263-1996 audio codec
Please download our latest VoIP SIP SDK for iPhone: Change log: – Added ICE support (option ‘enableIce’) – Added new CallKit example app – Added ability to set RTP ports range. Use property ‘rtpPort’ – Fixed call transfer callback – Added new … READ MORE
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
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
Please visit our Download page to try updated trial VoIP SIP SDK for iPhone.