PJSIP and PJMEDIA 0.5.9 review

PJSIP and PJMEDIA is the Open Source, high performance, small footprint SIP and media stack written in C language. It has many SIP

License: GPL (GNU General Public License) File size: 395K Developer: Benny Prijono

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PJSIP and PJMEDIA is the Open Source, high performance, small footprint SIP and media stack written in C language.

It has many SIP and media features such as a layered API, dialog usages, high level invite session abstraction, an event framework, SIP presence/SIMPLE, instant messaging, RTP/RTCP, a conference bridge, silence detection, PLC, and so on, as well as extensive documentation.

What's New in This Release:
Improved stability, quality, and conformance (meaning: TONS of bug fixes).
DNS SRV Resolution support
Attended Call Transfer (INVITE w/ Replaces) Support
MP3 Call Recording Support
Autoconf based to support even more targets (new targets: FreeBSD, 64bit Opteron or ItaniumII).
Support for iLBC codec
Windows Mobile support.
Support for PUBLISH.
Support for call transfer with subscription suppression (norefersub).
Added tone generator (fixed or floating point).
Experimental support for echo cancellation (suppressor or AEC).
Support for TCP.
Packet lost concealment in media.
MaxOS X support.
Full RTCP support with quality reporting.
Instant messaging and message composing indication.
Wideband (16KHz) and ultra-wideband (32KHz) audio support.
Speex codec support (narrowband, wideband, and ultra-wideband).
SIP event framework.
Presence (PIDF and XPIDF support).
Call hold, call transfer.
Conference with up to 254 parties in pjsua.
Mutiple identities/account registrations in pjsua.
Maximum 254 concurrent calls (with media) in pjsua.
Streaming WAV file to conference port.
Auto-answer, auto-play file, auto-loop RTP in/out in pjsua.
RFC 2833 support.
STUN