|| '''Features''' || '''Stable''' || '''Development''' ||
|| [http://www.pjsip.org/pjlib-util/docs/html/group__PJLIB__UTIL__STUN__CLIENT.htm Simple STUN Client]|| Y || Y ||
|| [http://www.pjsip.org/pjnath/docs/html/index.htm PJNATH] || || Y ||
|| [http://www.pjsip.org/pjnath/docs/html/index.htm#PJNATH_STUN STUN and TURN Library] ||  || Y ||
|| [http://www.pjsip.org/pjnath/docs/html/index.htm#PJNATH_ICE ICE Implementation] ||  || Y ||
|| [http://www.pjsip.org/sip_symbian.htm Symbian Port] ||  || Y ||