Update VoIP SIP SDK for iPhone

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 not finished yet;
– improved method ‘finalizeConfiguration’ (now SDK resolves STUN faster).
– added CallKit example app