The Microsoft Exchange Unified Messaging service on the Mailbox server received an outbound call request for UM auto attendant "%1", but the telephone number "%2" can't be dialed as specified. Make sure you've correctly configured the dialing rules on the UM auto attendant and that the auto attendant is configured for outdialing. Diagnostic information: "%3".
The Microsoft Exchange Unified Messaging service on the Mailbox server received a Play on Phone request for UM auto attendant ...
The Microsoft Exchange Unified Messaging service on the Mailbox server received a Play on Phone request from "%1". The calling ...
The Microsoft Exchange Unified Messaging service on the Mailbox server received a PlayOnPhone request from user "%1", but ...
The Microsoft Exchange Unified Messaging service on the Mailbox server received a request to make a Find-Me outbound call ...
The Microsoft Exchange Unified Messaging service on the Mailbox server received an outbound call request for UM auto attendant ...
The Microsoft Exchange Unified Messaging service on the Mailbox server received an outbound call request from user "%1", ...
The Microsoft Exchange Unified Messaging service on the Mailbox server rejected a call containing Lync Server features because ...
The Microsoft Exchange Unified Messaging service on the Mailbox server successfully authenticated user "%1". The call ID ...
The Microsoft Exchange Unified Messaging service on the Mailbox server successfully updated the grammar cache for grammar:"%1". ...