Configuring an ISDN port

The port used for the external ISDN connection must be set up for the access type point-to-point connection (P-P).

Go to the following menu to configure your type of ISDN connection:

  1. Go to Assistants -> PBX -> Trunks -> New.

  2. Choose under Connection Type ISDN (P-P) .

  3. Click on Next to configure a new ISDN P-P connection.

  4. Enter the data required for the connection.

Assistants -> PBX -> New -> Next

Proceed as follows:

  1. For easier recognition enter a description for the connection under Name, e.g. ISDN Extern .

  2. The Access Type ISDN P-MP cannot be changed, since it depends on your previous choices.

  3. Under Ports click ADD and select the entry Module Slot 3/1 S/U .

  4. Enter a P-P Base Number, e.g. 909.

  5. Under Class of Service click ADD and select the class Default CoS .

  6. Click on Advanced Settings.

  7. Under P-P DDI Exception click on ADD and enter the direct dial number that - according to your numbering plan - is supposed to be routed to a distinct internal number, e.g. 99 and 100 .

  8. Confirm your settings with OK.

A sucessfully established ISDN point-to-point connection is marked with a .

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