IETF Logo Mail Archive

Re: [Sip] rfc3261: default contact q-value

Brett Tate <brett@broadsoft.com> Thu, 12 February 2009 13:42 UTC

Return-Path: <brett@broadsoft.com>
X-Original-To: sip@core3.amsl.com
Delivered-To: sip@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 9A13A3A69B0 for <sip@core3.amsl.com>; Thu, 12 Feb 2009 05:42:12 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.599
X-Spam-Level:
X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kueFORdySqZB for <sip@core3.amsl.com>; Thu, 12 Feb 2009 05:42:12 -0800 (PST)
Received: from smtp-out01.seaservers.net (smtp-out01.seaservers.net [72.37.232.66]) by core3.amsl.com (Postfix) with ESMTP id E81923A68CC for <sip@ietf.org>; Thu, 12 Feb 2009 05:42:11 -0800 (PST)
Received: from mbx02.citservers.local ([172.16.98.24]) by casumhub01.citservers.local ([172.16.98.57]) with mapi; Thu, 12 Feb 2009 05:42:13 -0800
From: Brett Tate <brett@broadsoft.com>
To: SIP <sip@ietf.org>
Date: Thu, 12 Feb 2009 05:42:14 -0800
Thread-Topic: rfc3261: default contact q-value
Thread-Index: AcmMpN5enq1IQ8xrQzu/cpOgRz/5nQAbnPWA
Message-ID: <9B2A061A1137254BBE4F4B2CD843646A0FD7114CA3@mbx02.citservers.local>
References: <9B2A061A1137254BBE4F4B2CD843646A0FD7114C59@mbx02.citservers.local>
In-Reply-To: <9B2A061A1137254BBE4F4B2CD843646A0FD7114C59@mbx02.citservers.local>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
acceptlanguage: en-US
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Subject: Re: [Sip] rfc3261: default contact q-value
X-BeenThere: sip@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: Session Initiation Protocol <sip.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/sip>, <mailto:sip-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/sip>
List-Post: <mailto:sip@ietf.org>
List-Help: <mailto:sip-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/sip>, <mailto:sip-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 12 Feb 2009 13:42:12 -0000

Thanks for the responses, especially the reference to RFC 3841.

I guess the working group agreed to remove it from being "0.5" (or documented within the rfc2543bis) when creating draft-ietf-sip-rfc2543bis-05 and agreed to start documenting it as "1.0" within draft-ietf-sip-callerprefs-06.

Including the default value for "q" within the base specification sounds better to me; however documenting the default within RFC 3841 (or non SIP RFCs as some have indicated) might be adequate.


> -----Original Message-----
> From: sip-bounces@ietf.org [mailto:sip-bounces@ietf.org] On Behalf Of
> Brett Tate
> Sent: Wednesday, February 11, 2009 7:00 PM
> To: SIP
> Subject: [Sip] rfc3261: default contact q-value
> 
> Greetings,
> 
> Within RFC 3261, I was unable to find a default q-value for Contact.
> 
> Versions 2 through 4 of draft-ietf-sip-rfc2543bis indicated 0.5 as
> default.  It looks like it was unintentionally removed; however I'm not
> certain.
> 
> What is the default Contact q-value and where is it documented?
> 
> Thanks,
> Brett
>

v2.23.0 | Report a Bug | By Email