The adVqmActiveCall table provides detail voice quality
statistics on currently active RTP voice streams. A voice call
will have two entries in this table one for each active RTP
stream. A combination of Source IP Address and Port,
Destination IP Address and Port, and SSRC
(synchronization source ID) are necessary to uniquely identify
the call session.
The VQM Active Call table shares the same type of information
as found in the Call History table. The VQM Manager transfers
the active call statistics into the call history table database
when the call completes.