[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.

​Legacy PJSIP Documentation

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