Please download our latest VoIP SIP SDK for iPhone: Change log: – Fixed possible crash on network transports switching; – Removed symbolic links from archive with SDK; – Removed symb links from archive with SDK; – Added ability to restore speaker sound after GSM … READ MORE
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
Please download our latest VoIP SIP SDK for iPhone. Change log: – IPv6 support added – Fixed bug in method answerCall no video – Improved cameras switching
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.
ABTO Software’s new video about VoIP SIP SDK for iPhone provides basic functionality of SIP softphone demo. You can use our SDK to build your own sip softphone for iPhone. The possibilities of the SDK are not limited by the … READ MORE
ABTO Software is proud to announce publishing a softphone sample app with video support on App Store: https://itunes.apple.com/us/app/abtovoipclient/id527208668 Please enjoy it and contact us when you decide to purchase our VoIP SIP SDK for iPhone.