ClientVersions table in Skype for Business Server 2015

The ClientVersions table is a supporting table that stores a list of the various client types and versions that have participated in sessions recorded in the database. Each record in the table represents one client version.

Column Data Type Key/Index Details
VersionId
int
Primary
Unique number identifying this client type and version.
Version
nvarchar(256)
Version name.
ClientType
int
Specifies the type of client used in the session. See the UserAgentDef table for more information.
This field was introduced in Microsoft Lync Server 2013.