Sreenath,
I'm puzzled by how you are asking this question.
In general the form of the user part of a sip URI should only be of
concern to the owner of the domain of that URI.
So in sip:VoiceMail;userparam=12...@wcom.com,
it is up to the owner of wcom.com to decide which user parts it is
willing to accept. (Among those that are syntactically permitted.)
So, if you are responsible for wcom.com, you may decide the above is
meaningful to you, or you may reject it.
Those who are *sending* requests should, in general, only be sending
them to URIs that they have been given. So if somebody from wcom.com
*gave* you the URI sip:VoiceMail;userparam=12...@wcom.com, then you
should just send requests to it, not question whether it is valid.
OTOH, if you have been given the URI sip:voicem...@wcom.com, then *in
general* you have *no business* modifying it by adding a parameter to
create sip:VoiceMail;userparam=12...@wcom.com.
I say *in general* because that could be violated if you have some
special knowledge of the policies of the wcom.com domain, that such an
alteration is acceptable for URIs in its domain.
Thanks,
Paul
Sreenath Kulkarni wrote:
> Can u please provide me any reference for the same?
>
> Regards,
> Sreenath.
>
>
>
>
> ________________________________
> From: Iñaki Baz Castillo <i...@aliax.net>
> To: sip-implementors@lists.cs.columbia.edu
> Sent: Monday, 22 June, 2009 3:07:23 PM
> Subject: Re: [Sip-implementors] Query in Request URI
>
> El Lunes, 22 de Junio de 2009, Sreenath Kulkarni escribió:
>> Hi Sudhir,
>>
>> According to RFC 3261 Section 19.1.1, the sip uri should be..
>>
>> sip:user:passw...@host:port;uri-parameters?headers
>>
>> And in Section 25 of RFC 3261 it mentioned the ABNF for SIP uri.
>>
>> But in the request uri its not clear that wht is the meaning of VoiceMail.
>> I think the request uri should be
>> INVITE sip:12...@wcome.com;userparam=VoiceMail SIP/2.0
>
> Not at all.
>
> "VoiceMail;userparam=12345" is a 100% correct username.
>
>
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