Hello Robert, I checked the logs and the configuration from the TAC case provided. Configuration looks to be good. The binding is set on tenant. Though it should work, but can you try to apply binding on dial-peer 1001, instead of tenant and check on...

Hello Arunraodhumal, Please refer below document for multi tenancy on MSFT - direct routing https://www.cisco.com/c/dam/en/us/solutions/collateral/enterprise/interoperability-portal/deploying-a-multi-tenant-direct-routing.pdf-Abhishek

Hi Robert, Will you be willing to share debug logs and running-config for quick review. debug ccsip all debug voice ccapi inout -Abhishek

Hello Robert, There have been a couple of bugs identified similar to the issue you reported, when using via header ip to match incoming dial peer e.g. https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvi06897 But this is pretty old bug and I see you a...