V20 Teams integration getting 603 Decline message

mososki

Silver Partner
Joined
Oct 15, 2024
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Where do we begin to find the source of this 603? Inbound and outbound do not work with Teams, calls fail. We can see in the SBC it is online and trading messages with the 3CX.

Is there a way to capture the signaling between the 3CX and Teams?

How do we isolate and troubleshoot this issue?
 

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