Features	Stable (0.5.x, 0.6.x)	Development (0.7.x, 0.9.x)
​PJSIP and ​PJMEDIA	Yes	Yes
​Simple STUN Client	Yes	Yes
Speex version and date	r12136 2006/11	r12832 2007/04
PortAudio version and date	v19 ~2005	r1198 2007/05
​PJNATH		Yes
​STUN and TURN Library		Yes
​ICE Implementation		Yes
Windows, Linux, uCLinux, and MacOS Port	Yes	Yes
WinCE and Windows Mobile Port	Yes	Yes
​Symbian Port		Yes
RTEMS Port	Yes	./configure-legacy currently broken