Dear experts,

FYI.

Simão

-----Original Message----- From: rfc-editor@rfc-editor.org [mailto:rfc-editor@rfc-editor.org] Sent: 31 May 2006 01:14 To: ietf-announce@ietf.org; rfc-dist@rfc-editor.org Cc: sip@ietf.org; rfc-editor@rfc-editor.org Subject: RFC 4485 on Guidelines for Authors of Extensions to the SessionInitiation Protocol (SIP)

A new Request for Comments is now available in online RFC libraries.

RFC 4485

Title: Guidelines for Authors of Extensions to the Session Initiation Protocol (SIP) Author: J. Rosenberg, H. Schulzrinne Status: Informational Date: May 2006 Mailbox: jdrosen@cisco.com, schulzrinne@cs.columbia.edu Pages: 23 Characters: 57278 Updates/Obsoletes/SeeAlso: None

I-D Tag: draft-ietf-sip-guidelines-09.txt

URL: http://www.rfc-editor.org/rfc/rfc4485.txt

The Session Initiation Protocol (SIP) is a flexible yet simple tool for establishing interactive communications sessions 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. This memo provides information for the Internet community.

This document is a product of the Session Initiation Protocol Working Group of the IETF.

INFORMATIONAL: This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited.

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Joyce K. Reynolds and Sandy Ginoza USC/Information Sciences Institute

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