PJSIP Guide ================== The following are links to chapters in the `PJSIP Developer's Guide (pdf) <../../_static/PJSIP-Dev-Guide.pdf>`__. The document explains core PJSIP concepts. - `Table of Contents <../../_static/PJSIP-Dev-Guide.pdf#page=4>`__ - `General Design <../../_static/PJSIP-Dev-Guide.pdf#page=11>`__ - `Module <../../_static/PJSIP-Dev-Guide.pdf#page=15>`__ - `Message Elements <../../_static/PJSIP-Dev-Guide.pdf#page=23>`__ - `Parser <../../_static/PJSIP-Dev-Guide.pdf#page=38>`__ - `Message Buffers <../../_static/PJSIP-Dev-Guide.pdf#page=41>`__ - `Transport Layer <../../_static/PJSIP-Dev-Guide.pdf#page=43>`__ - `Sending Messages <../../_static/PJSIP-Dev-Guide.pdf#page=48>`__ - `Transactions <../../_static/PJSIP-Dev-Guide.pdf#page=56>`__ - `Authentication Framework <../../_static/PJSIP-Dev-Guide.pdf#page=63>`__ - `Basic User Agent Layer (UA) <../../_static/PJSIP-Dev-Guide.pdf#page=68>`__ - `SDP Offer/Answer Framework <../../_static/PJSIP-Dev-Guide.pdf#page=83>`__ - `Dialog Invite Session and Usage <../../_static/PJSIP-Dev-Guide.pdf#page=86>`__ - `SIP Specific Event Notification <../../_static/PJSIP-Dev-Guide.pdf#page=95>`__ - `Presence Event Package <../../_static/PJSIP-Dev-Guide.pdf#page=107>`__ - `Refer Event Package <../../_static/PJSIP-Dev-Guide.pdf#page=108>`__ - `Instant Messaging <../../_static/PJSIP-Dev-Guide.pdf#page=109>`__ - `PJSUA Abstraction <../../_static/PJSIP-Dev-Guide.pdf#page=112>`__