Operation Manual

Incoming Calls
53 NT/MPRI – 3 Configuration and Operation of the NT/MPRI: The Basics
entering the number directly in the Call Destination settings (at
the parameter “CLI Number for Assigning Incoming Calls”) or in
the CLI Number Check configuration (“Configuration / Security /
CLI Number Check / Authorized Numbers for Dial-In”).
Call identification by CLI number is necessary whenever “Allocate
Costs to Local Site” or “Security Call-Back” has been activated in
any call destination configuration.
Some remote sites may dial in from multiple ISDN lines confi-
gured as a B-channel pool. In this case you must enter all of the
CLI numbers of the remote pool (“ISDN” button in the Call Desti-
nation settings).
l PAP or CHAP authentication information, which the remote site
must send when a connection is established on the ISDN B chan-
nel if so required in the Call Destination settings.
For this purpose the option “Authentication at Local Site” by PAP
or CHAP must be activated in the local settings and a name and
password assigned to the Call Destination. Only the Call Destina-
tion Name is used to identify the incoming call.
Both the call destination name and the CLI number must be unique. In
other words, no two call destinations may use the same name or CLI
number.
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