The ConferenceMessageCount view stores information about how many messages were sent by a user to a conference. This view was introduced in Microsoft Lync Server 2013.
The ConferenceMessageCount view contains all of the columns in the ConferenceSessionDetails view in addition the columns listed below.
||URI of the user who sent the message.
||Type of URI of the user who sent the messages. See the UriTypes table for more information.
||Tenant of user who sent the messages. See the Tenants table for more information.
||Number of messages sent by the user during the conference session.