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I am working on building a routing engine and have been doing testing
with some systems that manipulate the dialed digits: prefixing,
stripping digits, etc., to control routing.  They then rewrite the peer
in the the INVITE request, but NOT in the To: tag.  Here is an example.

UA dials: [EMAIL PROTECTED]

Softswitch 1.1.1.1: strips 123 and sends

INVITE sip:[EMAIL PROTECTED]
...
To: [EMAIL PROTECTED]

So my questions are:

1) Is it correct for the softswitch to translate the dialed number in
the INVITE but not in the To: ? (This is not a redirect server, its just
a switch)

2) What is the correct place to be looking for the peer/dialed digits
To: or in the INVITE ?

Thanks,

- --
Eric Tamme
Project Manager
General Telecom

+1 646.328.5825
[EMAIL PROTECTED]
KeyServer: pgp.mit.edu

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