New subject: [OpenSER-Users] appending into Via header

16 Jun 2008

Hi Henning,
Thanks for your reply.
I do not want it to add two times. I have explained as to where I want to add it in the
Via header. I dont want to add it twice in the message.
I know I can easily add a new header but that does not meet my requirement.
I want it to be appended to the Via header that Openser creates while sending the call to
the PSTN gateway.
To be precise, the format has to be like:
Via:
SIP/2.0/UDP 192.168.2.125;branch=z9hG4bK7e7c.877b4352;x-route-tag="cid:1234"
where 192.168.2..125 is my openser and x-route-tag is what I want to append in the Via
header.
Thanks again for your help.
w/regards,
Jayesh

----- Original Message ----
From: Henning Westerholt &lt;henning.westerholt(a)1und1.de&gt;
To: users(a)lists.openser.org
Cc: Jayesh Nambiar &lt;voip_freak(a)yahoo.co.in&gt;
Sent: Monday, 16 June, 2008 2:57:52 PM
Subject: Re: [OpenSER-Users] appending into Via header

On Monday 16 June 2008, Jayesh Nambiar wrote:
...
  I had a requirement of appending a text in the VIA
header while forwarding
 the request to the PSTN gateway. For eg:
 When the call is forwarded to a PSTN gateway from my Openser server, I
 needed the Via header to be as follows: Via: SIP/2.0/UDP
 192.168.2.125;branch=z9hG4bK7e7c..877b4352;x-route-tag="cid:1234"
 x-route-tag="cid:1234" is what I want to append to the Via header that is
 going out of my proxy. I do not want to disturb the first Via header that
 has come in from the UA, I only want to append the text in the Via header
 when the message goes out of Openser proxy. Can someone please guide me on
 which module can help me in doing this or what would be the right approach.
 Thanks in advance,
 -- Jayesh 
Hi Jayesh,

take a look at the textops modules, there are functions present to add/ 
manipulate header fields. I don't understand why you need to append the same 
parameter "x-route-tag" two times.. Instead of modifiying the VIA perhaps its 
possible to just add some new header, e.g. X-Route-Tag, this should be 
easier.

Henning

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