[Serusers] Rewrite Contact Field

[Stephen Miles]

Hi jiri,

What we are trying to do is take a register request, save the location and then forward the register, with the contact re-writen to another SIP server. So I would register with the SER SIP Proxy using my laptops IP address and the SER would then forward my register request onto the other sip server with the contact re-writen to be jo at ser.server not jo at laptop.

Hope that make some sence...

-----Original Message-----
From: Jiri Kuthan [mailto:jiri at iptel.org]
Sent: Thursday, 20 November 2003 16:13 p.m.
To: Stephen Miles; serusers at lists.iptel.org
Subject: Re: [Serusers] Rewrite Contact Field


Stephen,

I hope you excuse if I leave RE definition to you, I am not into
doing this dirty work either ;), especially if we did not see
what RE resulted in the replacement you are talking about.

The command you wish to use to replace with a fixed value is textops/replace.
To replace a string with a new string which includes part of the original
string, you may use textops/subst.

More importantly, it would be good to understand to know why you need
to mangle the requests -- there may be perhaps other ways to achive
what you are trying to do. There is for example a contact mangling
module, called mangler.

-jiri

At 03:45 AM 11/20/2003, Stephen Miles wrote:
>Hi All,
>
>Hoping you regular expression gurus out there can help me out a bit.
>
>I am wanting to rewrite the Contact header field inside a sip message using either the replace or subst from the textops module. I've done my best but complex/long regular expressions are just a bit beyond me.
>
>I want to change Contact "potato" <sip:99196026 at ns.commverge.co.nz:5060>
>to Contact "potato" <sip:99196026 at sipsrv2.tranzpeer.net:5060>.
>
>So far I can change bits of it and almost get it right but I am still seeing the original contact right after the new one i.e: Contact "potato" <sip:99196026 at ns.commverge.co.nz:5060.sip:99196026 at sipsrv2.tranzpeer.net:5060>
>
>HELP
>
>Thanks in advance,
>Stephen
>
>
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--
Jiri Kuthan            http://iptel.org/~jiri/