. The conference error are seen only for those extension which are configured on Verint but have no configuration on CM .If no extension configuration exists on the CM side then Verint will not be able to record those station ,please see below logs for station 49411.
AES logs
04/10/2015 17:00:00.090:TSAPI:CLAN14A02: extension 49411
04/10/2015 17:00:00.161:TSAPI:LinkThread01: Sent CSTA Msg (CSTACONFIRMATION)(5) (CSTA_UNIVERSAL_FAILURE_CONF)(53)
04/10/2015 17:00:00.161:TSAPI:LinkThread01: error(INVALID_CSTA_DEVICE_IDENTIFIER)(12)

Similary I check few more station(49415,87765,87825) which were giving the same error and could not find any configuration of these stations on CM
2. The screen-shot below is taken from the WebLM web-page and indicates that TSAPI consumed 100% of licenses
