SIP Forum. SIP Standards. RFC-Editor Webpage. SIP: Session Initiation Protocol. Archive Archive for drafts Mailing list archive HTML, through March 1998 All SIP-related drafts SIP-related RFCs: Summary of SIP-Related Standardization Efforts There are a number of extensions for adding features to SIP. Given the number of drafts, it may be hard to track which drafts are significant for different applications.
Core SIP Specification The core SIP specification is RFC 3261, which obsoletes RFC 2543. Informational Documents Call Flows To help implementors, a set of call flows has been published that give examples of common call setup and registration scenarios. Guidelines for Writing SIP Extensions A number of extensions are being proposed to add headers or methods to SIP. SIP Through NATs and Firewalls These drafts presents information on issues that arise in getting SIP and related multimedia services through NATs and firewalls.
SIP Enabled Services to Support the Hearing Impaired User Agent Configuration Network Management Header Session Timer. Internet Engineering Task Force.