656 Matrix ETERNITY NE System Manual
How to configure
To be able to use Live Call Supervision, extension users must have this feature enabled in their “Class of Service 
(COS)” for the Day and Night time, as required. 
See “Basic Settings” for instructions on configuring the different extension port types: “SLT Extensions”, “DKP 
Extensions”, “SIP Extensions”.
How to use
For EON & Extended IP Phone Users
• Press DSS key assigned to Live Call Supervision
OR
• Dial 1098
• Enter the Extension number to be supervised
For SLT Users
• Dial 1098-Extension number to be supervised.