Polycom MGC Administrator Administrator's Manual page 174

Chapter 3 - Defining Network Services
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5. Clear the Null Configuration check box to activate the card settings.
The Circuit ID box is enabled and the ATM card's UNI address is
displayed in the ATM Address box. Write down this number, as you will
need it to define the MCU in the V-Gate application.
6. Assign the ATM's circuit ID as defined in the ATM Network Services–
Spans and Phones dialog box to the ATM module.
The Network Service Name is automatically assigned to the Service
Name.
7. Click the Apply button.
The name of the network service appears in the Service Name box.
8. Click OK.