pjsip is a multimedia communication library based on the SIP protocol.
It is integrated with a rich media and a NAT traversal library
supporting the ICE protocol. It is very portable and has a small
footprint for embedded use.
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This release adds several new features such as support for the iLBC codec, a Windows Mobile target, presence event publication/PUBLISH, call transfer with norefersub, tone generator (fixed or floating point), experimental AEC, and more. The build system was changed to use autoconf to support more targets. Many bugs were fixed.