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Acces Denied on forward call to external or TEAMS SIP Trunk

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RemiG

Systems Engineer
Sep 22, 2021
2
CA
Hi,

I have a problem. I have two Mivoice Business in IP trunk (Direct IP Route). My client has to connect Microsoft Teams in sip trunk. When programming a forwarding to a TEAMS station, users of the local system can reach the extension in TEAMS. The users of my 2nd system in IP trunk have an access denied. The COR group of the SIP trunk and the IP trunk are set to 65 and there is no restriction at 65. No restriction on the interconnect. After a few tests, we have the same problem if the extension on my second system call a extension on my first system and he have an forwarding to a cell phone on the PRI. Always acces denied.

But if a user of the 2nd system redirects calls to a TEAMS user, it works. My user of the first system does not have access denied

Is there a command to trace the path of the call ?
Or, do the COR-COS get lost on the way?
Is there an option that I don't think about checking out?
 
Verify that your Trunk to Trunk access is permitted in the Trunks Class of services.
 
yes, all of my COS have trunk to trunk connect to YES
 
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