CUCM 8.0(3) Modify PAI and Diversion Header for SIP Trunk
we have CUCM8.0(3) with a SIP Trunk to our Provider. For outbound and inboud calls it works fine, but we have problems with call forwarding.
when the cucm sends an invite packet out to reach the call forward destination, it sends in the PAI Field the Number from the calling party and in the Diversion Header the internal Number from the ip phone that did the call forward.
Our Provider wants it like that:
Diversion Header = complete National Number with +49 oder 0049.
PAI = Diversion Header
i didn't find a way to manipulate the Diversion Field, is there one?
i testet to make the Line Number with 0049...and so on and it solves my problem, but as you perhaps know we do not have a fixed dial plan in Germany and so this is noch an option for us. we had to make several translations for every site and the phones and line are all importet since 2 weeks.
is there a way to fix this, someone from our sales department said that cisco told him half a year ago that this should work with cucm 8??
Re: CUCM 8.0(3) Modify PAI and Diversion Header for SIP Trunk
well that's true, but our provider thinks that if a call is forwarded, the PAI Header should include the complete Number of the line / phone that did the call forwarding, not the number of the caller. and as i read the description from the RFC, the internal ip phone is much more "verified"
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