SIP Re-INVITE handling

Version 1 (Anonymous, 04/19/2012 03:30 pm) → Version 2/3 (Anonymous, 04/19/2012 03:30 pm)

Added patch to PJSIP to properly deal with re-INVITE for non-hold purposes:



* handle negative SIP response codes

* handle timeout

* notify upper-layer when new media is added to SDP and build response based on user input

* handle CANCEL