PJSIP version 2.7 is just released with the main focus on supporting DTLS for SRTP keying, iOS and Mac H.264 native VideoToolbox codec, as well as NAT64 support.
As usual the release also includes several enhancements and bug fixes, e.g: upgrade to SRTP 2.1.0, API for IP address change, Python 3 support, and critical bug fixes in ICE and pjsip.
Please see the Release Notes page for more info and grab the source code from the Download page.
pjsip blog 