The Microsoft Exchange Unified Messaging service on the Mailbox server has ended a call with ID "%1" because the user at the far end disconnected.
The Microsoft Exchange Unified Messaging Service on the Mailbox server has been configured to use the Lync Server A/V Edge ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has encountered an argument that's missing or not ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has encountered an error while parsing a user interface ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has encountered an error while parsing the user interface ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has ended a call with ID "%1" because the user at ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has received a call from "%1", with user extension ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has received a request to disconnect the user "%1" ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has received a SIP header that isn't valid from an ...
The Microsoft Exchange Unified Messaging service on the Mailbox server has received a SIP header that isn't valid from an ...