[asterisk-users] To: Field

[Charles Solar]

Hi guys, I am new here but I have a quick question.

I have an incoming trunk that sends me calls from various usernames I have
with them.  Only trouble is they send invites as s at my.ip.addr, not as the
username I have with them.  So I cannot match extensions like I would want
to.
Here is a sample invite

INVITE sip:s at my.ip.ad.dr SIP/2.0
Record-Route: <sip:0.0.0.0;lr=on;ftag=as29ffee59>
Via: SIP/2.0/UDP 0.0.0.0;branch=z9hG4bK7238.25c90fc7.0
Via: SIP/2.0/UDP 0.0.0.0:5060;branch=z9hG4bK1c709971;rport=5060
From: "" <sip:9999999999 at host.ip.addr>;tag=as29ffee59
To: <sip:myusername at mysipprovider.net <sip%3Amyusername at mysipprovider.net>>
Contact: <sip:9999999999 at host.ip.addr>
Call-ID: 6a379af207d78b3b5f2e8c6c55e64009
CSeq: 102 INVITE
User-Agent: Asterisk PBX
Max-Forwards: 69
Date: Fri, 29 May 2009 04:12:09 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Content-Type: application/sdp
Content-Length: 377

the only distinction between a call to username1 and username2 is in the To:
field, but I cannot find something to route the call based on the To caller
id.

I think the dialednumber variable would be close to what I want, but
apparently that is broken so I am unsure what to do.

Thanks for any pointers
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