PJSIP Guide

The following are links to chapters in the PJSIP Developer’s Guide (pdf). The document explains core PJSIP concepts.

• Table of Contents

• General Design

• Module

• Message Elements

• Parser

• Message Buffers

• Transport Layer

• Sending Messages

• Transactions

• Authentication Framework

• Basic User Agent Layer (UA)

• SDP Offer/Answer Framework

• Dialog Invite Session and Usage

• SIP Specific Event Notification

• Presence Event Package

• Refer Event Package

• Instant Messaging

• PJSUA Abstraction