Please download our latest VoIP SIP SDK for iPhone:
– Fixed sending STUN requests;
– Added ‘dynamic ‘example app;
– Redesigned sending SIP responses back to server instead of direct between clients;
– Modified raising event onCallHeld(x, NO) – if sending RTP streams restores;
– Fixed sending RTP frames whn app puts call on hold;
– Fixed handling ACK with SDP.