The UserAgent View stores information about the user agents that have been involved in sessions that have records in the database. This view was introduced in Microsoft Lync Server 2013.
||Unique number identifying this user agent.
||User agent string.
||Type of user agent. See the UserAgent table for more details.
||Category that the user agent belongs to. For example, the user agent Conferencing_Attendant_1.0 belongs to the UACategory CAA.