ABTO Software VoIP SIP SDK for iPhone and iPad will you help you to quickly build a custom softphone app for iOS.
- Mac OS;
- VOIP SIP SDK for iPhone on objective-C (Xcode);
- VOIP SIP SDK for iPhone on Swift.
- VoIP SIP SDK for iOS 5;
- VoIP SIP SDK for iOS 6;
- VoIP SIP SDK for iOS 7;
- VoIP SIP SDK for iOS 8.
- supports 64 bit architecture;
- SIP/RTP support;
- STUN and other IETF standards (compatible with SER, OpenSER and Asterisk);
- SIP Registrar (SIP server) – including Asterisk and ABTO Software SIP Server;
- voice and video calls;
- status messages;
- work in background mode;
- secure connection via SRTP and ZRTP;
- changing camera orientation;
- switching between multiple cameras.