Port Configuration
Proceed as follows:
•Using the configuration wizard ( > Port Configuration)
Connection type
The connection type for the ISDN connection that the network provider has provided for the NT needs to be configured for the external S 0 port.
Note: No selection of the connection type is possible for internal S 0 ports. They are fixed on PTMP connection.PTMP connection
ISDN PTMP connection (Point-to-Multipoint) with up to 10 multiple subscriber numbers (MSNs).
PTP connection
ISDN PTP connection (Point-to-Point) with a PBX base number and Direct Dial In numbers (DDI numbers).