I do not immediately see this need, but my need is very similar.

Our sipX in UK has SIP trunk to UK (no problem), but also to other
countries. When calls arrive at the local break outs in those countries,
the caller ID that arrives from the ITSP to sipX, does not have country
code. The ITSPs are not willing to add that as it is a system wide
feature and will affect all their (country local) customers.

IF we can uniquely identifiy which gateway a call comes in through, we
can add a prefix to the caller ID.

Obviously it would be even better if in the GW setup in sipxConfig there
was a field "Add prefix to incoming callerID", that would be awesome!

Regards,
Sven


-----Original Message-----
From: sipx-users-boun...@list.sipfoundry.org
[mailto:sipx-users-boun...@list.sipfoundry.org] On Behalf Of M.
Ranganathan
Sent: 23 February 2010 13:34
To: sipx-users@list.sipfoundry.org
Subject: [sipx-users] Many to one mappings an ITSP account from an SIP
trunkGateway.

Currently sipx does not support multiple ITSP accounts with the same
domain too well. i.e. for outbound dialling there is not enough
information to pick the specific ITSP account to use. In trying to
address this limitation this we defined a line ID in issue xx-4785 to
be associated with an a trunk gateway. The line id is a unique
identifier associated with the trunk gateway gateway that gets copied
into the sipxbridge configuration file for a specific ITSP account.
But currently the solution for xx-4785 only allows a single a line ID
per ITSP account.

In this context, we have been discussing the issue of Many to One
mappings from gateway to ITSP account.

I would like to hear whether I am barking up the wrong tree when for
many-to-one support for this mapping.  Perhaps nobody needs it -- in
which case I stand corrected in asking for this.

So I request some help from you in determining this. ( i.e. do you see
a need for it  ) ?  Would you ever map more than one  trunk gateway to
a given ITSP account?

Thanks and regards,

Ranga

-- 
M. Ranganathan
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