Guidelines for Authors of Extensions to the Session Initiation Protocol (SIP)
Jonathan M. Rosenberg, Henning G. Schulzrinne · 2006
The Session Initiation Protocol (SIP) is a flexible, yet simple tool for establishing interactive connections across the Internet. Part of this flexibility is the ease with which it can be extended. In order to facilitate effective and interoperable extensions to SIP, some guidelines need to be followed when developing SIP extensions. This document outlines a set of such guidelines for authors of SIP extensions.