Configuring Isdn On Your System; To Access Isdn Configuration Options; To Configure Isdn Accesses As Point-To-Point Or Point-To-Multipoint; To Configure Isdn Accesses As T Or S Interfaces - BT Versatility Manual

BT Versatility
Owner's Manual

Configuring ISDN on your system

ISDN programming options, set by your BT technician during installation, are available to
configure ISDN on your system. It is recommended that you do not change the existing settings.

To access ISDN configuration options

• From the Programming Extension, press the PROGRAMME Key
• Press the Scroll Down Key ( ) until 'System programming' is displayed.
• Select 'System programming'.
• Enter the System Programming Password and select 'Lines'.
• Press the Scroll Down Key ( ) until 'ISDN Programming' is displayed.
• Select 'ISDN programming'
Follow on with the procedures below, as required.

To configure ISDN Accesses as Point-to-Point or Point-to-Multipoint

• Select 'P->P' or P->MP' (Point to Point or Point to Multipoint).
• The ISDN Access menu will be presented. Point-to-Point Accesses are denoted by a ♦.
Point-to-Multipoint accesses are denoted by a ◊. Select an Access to change its setting.
Press the Hands-free Key to finish programming.
Note: Changing this setting will cause the system to reset (warm reset). This will cause all calls to
be disconnected.
Note: Your BT technician will ensure your ISDN Accesses are correctly configured as P-P or P-
MP. If the setting does not match the ISDN network setting you will be unable to receive and
make calls.

To configure ISDN Accesses as T or S interfaces

• Select 'T or S interface'.
• The ISDN Access menu will be presented. Accesses configured as a T interface are denoted
by a ♦. Those configured as an S interface are denoted by a ◊. Select an Access to change
its setting.
Press the Hands-free Key to finish programming.
Note: Changing this setting will cause the system to reset (warm reset). This will cause all calls
to be disconnected.

To configure an ISDN Access to work with a PABX:

• Select 'ISDN PABX'.
• Select the required Access.
Press the Hands-free Key to finish programming.

Accept on Busy

The switch can be configured to accept calls offered from the network for busy extensions or
groups or to reject those calls. Here the user can choose to set the general case as "Accept" or
"Reject" on busy. If "Individual MSN" is selected all the programmed MSN and DDI numbers are
listed here with their Index number . To program a specific MSN or DDI as "Reject on Busy" just
select the diamond beside the number required. If the diamond is open then this number is
"Accept on Busy".
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