Hello,
Some background before i ask the question.
I am attempting to implement a SIP trunk between an askerisk an a Mitel 5000
system. The mitel is giving me 404 errors when I send a call over to it even
though the call desination is valid. The mitel also reports an error saying
cp_dest_id is NULL. (Call Processor destination ID is what I assume that
means). The Mitel has an incomming routing mechanism that says this in the
help:
"....the system will look for the dialed number provided by DID (DDI in Europe)
or DNIS." In reference to incomming trunks.
So, I am thinking there is no DID or DNIS information being send accross. I
caputed packets and I did not see a DID or DNIS field in the headers. I am
esentially trying to make the asterisk system look like a SIP provider
(bandwidth.com for instance) with DIDs. I can call from the Mitel to the
Asterisk but i just cannot get the call to come back the other direction.
What does it take to send information like this (DID and or DNIS) over a SIP
trunk? Can it be done and what should the headers, etc actually look like when
looking at the packets? I basically want the asterisk to talk like a SIP DID
and
Trunk service provider.
-Jason
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