The Microsoft Exchange Unified Messaging service on the Mailbox server received a direct call with ID "%1" for the SIP URI "%2", but no UM dial plan or auto attendant associated with that address could be found. Please ensure that the phone number specified in your SIP server contact object is correct and that it's been added to the corresponding E.164 routing number list in your UM dial plan or auto attendant.
The Microsoft Exchange Unified Messaging service on the Mailbox server is sending this %1 in response to the Test-UMConnectivity ...
The Microsoft Exchange Unified Messaging service on the Mailbox server is trying to locate a UM IP gateway in Active Directory ...
The Microsoft Exchange Unified Messaging service on the Mailbox server isn't currently enabled. The Unified Messaging service ...
The Microsoft Exchange Unified Messaging service on the Mailbox server received "{0}" request with an invalid SIP header ...
The Microsoft Exchange Unified Messaging service on the Mailbox server received a direct call with ID "%1" for the SIP URI ...
The Microsoft Exchange Unified Messaging service on the Mailbox server received a diverted call with ID "%1" for the SIP ...
The Microsoft Exchange Unified Messaging service on the Mailbox server received a diverted call with ID "%3" for extension ...
The Microsoft Exchange Unified Messaging service on the Mailbox server received a Find-Me outbound call request from user ...
The Microsoft Exchange Unified Messaging service on the Mailbox server received a Find-Me outbound call request from user ...