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Re: [Sip] Question on RFC3840/3841

Paul Kyzivat <pkyzivat@cisco.com> Wed, 09 January 2008 14:26 UTC

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Date: Wed, 09 Jan 2008 09:25:46 -0500
From: Paul Kyzivat <pkyzivat@cisco.com>
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To: Mahesh Anjanappa <mahesha@samsung.com>
Subject: Re: [Sip] Question on RFC3840/3841
References: <CA9998CD4A020D418654FCDEF4E707DF03F7A681@esealmw113.eemea.ericsson.se> <038901c852c3$d222b750$bd4a6c6b@sisodomain.com>
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Mahesh Anjanappa wrote:
> hi
> That is my understanding as well. But if that is the case then it should 
> apply to Contact header as well
> when describing Capabilities using Feature parameters in Contact Header.
> But i'm not sure if it applies the same way. I had posted this question 
> long ago but didnt get any comments on it.

The rule forbidding multiple instances of a parameter applies to all 
headers, so it applies to Contact.  E.g. the following is illegal:

	Contact:sip:alice@atlanta.com;methods="INVITE";methods="CANCEL"

Paul


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