[OpenSER-Users] Changing From: and To: URIs...

[Alex Balashov]

Phil,

Why would you have to deal with the To tag?

I've had to do this very often and simply using textops to transform the 
headers precisely as you describe has always worked.  Just use regex
to conserve all the tags and other extended fields that appear in the
To and From URIs.

-- Alex

On Thu, 29 Nov 2007, Phil D'Amore wrote:

> Hi Everyone...
>
> I'm looking for some advice.  Let's say I have a To: header in an
> initial INVITE:
>
> To: Bob <sip:8005551212 at sip.example.com>
>
> Due to carrier requirements, it really needs to be:
>
> To: Bob <sip:+18005551212 at sip.example.com>
>
> I'm not asking how to do it.  I know I can use some textops functions
> to make this happen.  I also know that doing this might break
> something.
>
> The uac module already nicely handles the From: header in a way that
> doesn't break things.  I thought about extending this to handle To:,
> but I worried that the Record-Route header might get too long for some
> UAs if I wind up having to change both headers.  The To tag must also
> be dealt with somehow, which I think might make it harder to do than
> From.
>
> Using a 302 response is not an option for me, and I'm really trying to
> avoid getting a B2BUA involved with this right now.  Moving from
> openser 1.1.1 to 1.3 is enough for me without changing my architecture
> ;).  I'm wondering what would be the best way given what openser can
> do right now (1.3) to re-write that header that doesn't break
> anything.  I'm not adverse to writing some code to make it happen if
> that is what is needed.
>
> Any ideas?
>
> Thanks,
> Phil
>
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--
Alex Balashov
Evariste Systems
Web    : http://www.evaristesys.com/
Tel    : +1-678-954-0670
Direct : +1-678-954-0671