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How can I configure the T01 SIPTrunk in an adTran 908 to look at the to header coming from the server instead of the SIP URI?

I configured the voice trunk (SIP) as follows

voice trunk T01 type sip

  grammar request-uri host domain

  grammar from host domain

  grammar to host domain 

  description "SIPTrunk"

  match dnis "NXXNXXXXXX" substitute "1NXXNXXXXXX"

  sip-server primary #registrar# udp 5065

  registrar primary #registrar# udp 5065

  authentication username "#SIP username#" password "#SIP Password#"

  domain #registrar#

  register #registrar#

When placing an inbound call, the adTran is looking at the SIP URI instead of the TO header, however the adTran returns a 404 not found because it is looking at the SIP URI instead of the TO header coming from the SIP server.

Is there any setting that I need to change to have the adTran look at the TO header coming from the SIP server to route the call?

I dont want to register every single phone number that comes to the adTran.

Thanks!

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Honored Contributor

Re: How can I configure the T01 SIPTrunk in an adTran 908 to look at the to header coming from the server instead of the SIP URI?

There are some pretty powerful SIP header manipulation tweaks available. See Manipulating SIP Headers and Messages in AOS for exact syntax.

Another option would be to configure a registered trunk with a pilot number and have the DIDs come over that trunk (which I think may be exactly what you're attempting to do).

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