[SIPForum-discussion] HELP:a question about the headers in SIP URI

[prasanna c]

There are restrictions as whether headers can be included in a SIP URI. Please refer to table 1 in section 19.1.1 of rfc3261.

Regards,
Prasanna

Date: Wed, 14 Oct 2009 14:20:00 +0800
From: fanyanping at huawei.com
Subject: RE: [SIPForum-discussion] HELP:a question about the headers in SIP URI
To: c_prasanna_c at hotmail.com; kaushik at ncoretech.com
CC: discussion at sipforum.org










as you 
said, I can put any type of the message-header in this place 
if I need? is there any usage restrictions??


  
  
  From: prasanna c [mailto:c_prasanna_c at hotmail.com] 
  
Sent: Wednesday, October 14, 2009 11:52 AM
To: 
  kaushik at ncoretech.com; fanyanping at huawei.com
Cc: 
  discussion at sipforum.org
Subject: RE: [SIPForum-discussion] HELP:a 
  question about the headers in SIP URI


  Another very useful use case is in "attended call transfer" where 
  in the the SIP URI in Refer-To header shall contain "replaces" 
  header.

Regards,
Prasanna


  
  From: c_prasanna_c at hotmail.com
To: kaushik at ncoretech.com; 
  fanyanping at huawei.com
CC: discussion at sipforum.org
Subject: RE: 
  [SIPForum-discussion] HELP:a question about the headers in SIP URI
Date: 
  Wed, 14 Oct 2009 09:16:06 +0530


  
  For example, if I want to place SIP URI(s) as hyper-link and if I want a 
  certain headers to be part of SIP request that will be generated on clicking 
  the link, i shall include headers as part of the SIP URI. 
  

Regards,
Prasanna


> Date: Tue, 13 Oct 2009 11:14:20 
  +0530
> From: kaushik at ncoretech.com
> To: 
  fanyanping at huawei.com
> CC: discussion at sipforum.org
> Subject: Re: 
  [SIPForum-discussion] HELP:a question about the headers in SIP URI
> 
  
> Good question.
> 
> Even I would like to know if there is 
  a use case where headers
> are part of SIP Uri.
> 
> 
  Regards,
> Kaushik
> 
> nancy.fan wrote:
> > Hi 
  ALL,
> > can somebody tell me the function of the headers in SIP 
  URI?? what is the
> > mean of the headers?? can be the message-header 
  in SIP,such as Call-ID? the
> > following is the definition of SIP 
  URI in RFC3261: 
> > SIP-URI = "sip:" [ userinfo ] hostport
> 
  > uri-parameters [ headers ]
> >
> > headers = "?" header 
  *( "&" header )
> > header = hname "=" hvalue
> > hname 
  = 1*( hnv-unreserved / unreserved / escaped )
> > hvalue = *( 
  hnv-unreserved / unreserved / escaped )
> > hnv-unreserved = "[" / 
  "]" / "/" / "?" / ":" / "+" / "$"
> >
> > thanks in 
  advance!!
> >
> > Best Regards.
> > nancy
> 
  >
> >
> >
> > 
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