VoIP SIP SDK for iOS

ABTO Software VoIP SIP SDK for iPhone and iPad will help you to quickly build a custom softphone app for iOS.

Here you can have a look at our video clip that demonstrates the main functionality of the SDK’s sample softphone:

Operating system:

  • Mac OS X.

Development environments:

  • VOIP SIP SDK for iPhone on objective-C (Xcode);
  • VOIP SIP SDK for iPhone on Swift.

iOS versions:

  • VoIP SIP SDK for iOS 15;
  • VoIP SIP SDK for iOS 14;
  • VoIP SIP SDK for iOS 13;
  • VoIP SIP SDK for iOS 12;
  • VoIP SIP SDK for iOS 11;
  • VoIP SIP SDK for iOS 10;
  • VoIP SIP SDK for iOS 9;

Features:

  • CallKit support;
  • PushKit support;
  • Conference call
  • stable background mode;
  • ability to use SDK as dynamic or static library
  • MWI support
  • SIP/RTP;
  • STUN, NAT64;
  • IPv4/IPv6 support;
  • most SIP servers support;
  • ICE;
  • TURN;
  • UDP/TCP support
  • seamless network change;
  • voice and video calls;
  • transfer calls;
  • calls recording;
  • ability to route audio to Bluetooth headset;
  • IM;
  • secure connection via SRTP+TLS, ZRTP;
  • changing camera orientation;
  • switching between multiple cameras.

Available codecs:

  • H.263;
  • H.263+;
  • H.264;
  • VP8;
  • G.711-ALaw;
  • G.711-muLaw;
  • G.729;
  • OPUS;
  • Speex;
  • Theora;
  • GSM;
  • SILK;
  • G722.1;
  • G723.1.

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