||[doxygen:pjlib/main.htm PJLIB Online Manual]|| PJLIB is the base/foundation library for all other libraries and it provides complete OS abstraction layer and some useful data structures.|| ||PJLIB-UTIL Online Manual||PJLIB-UTIL provides supplementary features such as text scanner, STUN, XML, DNS resolver, etc. that are needed by higher layer libraries.|| ||PJNATH Online Manual||PJNATH is a NAT traversal helper library, providing an Open Source implementation of STUN and ICE.|| ||PJMEDIA Online Manual||PJMEDIA is the media stack/framework providing rich components for creating multimedia sessions.|| ||[doxygen:pjsip/index.htm PJSIP Online Manual]||This is the documentation for PJSIP SIP stack.|| ||PJSUA-API Manual||PJSUA-API is a highest layer API provided by the libraries, and it integrates PJSIP and PJMEDIA into an easy to use (but still poweful!) API.|| ||PJSUA Python Module Manual||Python module implementing PJSUA-API in object-oriented manner.|| ||PJSUA Manual||This is PJSUA manual.|| [http://www.pjsip.org/docs.htm Legacy PJSIP Documentation] [doxygen:pjlib/pj_addrinfo]