I-D ACTION:draft-johnston-sipping-cc-conferencing-01.txt
Internet-Drafts@ietf.org Fri, 14 February 2003 12:41 UTC
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Subject: I-D ACTION:draft-johnston-sipping-cc-conferencing-01.txt
Date: Fri, 14 Feb 2003 06:48:44 -0500
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A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : Session Initiation Protocol Call Control - Conferencing for User Agents Author(s) : A. Johnston, O. Levin Filename : draft-johnston-sipping-cc-conferencing-01.txt Pages : 24 Date : 2003-2-11 This document defines conferencing call control features for the Session Initiation Protocol (SIP). This document builds on the Conferencing Requirements and Framework documents to define how a tightly coupled SIP conference works. The approach is explored from different user agent (UA) types perspective: conference-unaware, conference-aware and focus UAs. The use of URIs in conferencing, OPTIONS for capabilities discovery, and call control using REFER are covered in detail with example call flow diagrams. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-johnston-sipping-cc-conferencing-01.txt To remove yourself from the IETF Announcement list, send a message to ietf-announce-request with the word unsubscribe in the body of the message. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-johnston-sipping-cc-conferencing-01.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-johnston-sipping-cc-conferencing-01.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft.
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