Polycom RealPresence 1500 Administrator's Manual page 546

11 Define the following parameters:
Phones Settings
Field
First Number
Last Number
• A range must include at least two dial-in numbers.
• A range cannot exceed 1000 numbers.
12 Click OK.
The new range is added to the Dial-in Phone Numbers table.
13 To define additional dial-in ranges, repeat steps 8 to 10.
14 Enter the MCU CLI (Calling Line Identification).
In a dial-in connections, the MCU CLI indicates the MCU's number dialed by the participant. In a
dial-out connection, indicates the MCU (CLI) number as seen by the participant
15 Click Save & Continue.
After clicking Save & Continue, you cannot use the Back button to return to previous configuration
dialog boxes.
The ISDN/PSTN Network Service is created and confirmed.
16 Click OK to continue the configuration.
The Spans dialog box opens displaying the following read-only fields:
 ID – The connector on the ISDN/PSTN card (PRI1 - PRI12).
 Slot – The media card that the ISDN/PSTN card is connected to (1 or 2)
 Service – The Network Service to which the span is assigned, or blank if the span is not assigned
to a Network Service
 Clock Source – Indicates whether the span acts as a clock source, and if it does, whether it acts
as a Primary or Backup clock source. The first span to synchronize becomes the primary clock
source.
 State – The type of alarm: No alarm, yellow alarm or red alarm.
Polycom®, Inc.
Description
The first number in the phone number range.
The last number in the phone number range.
Defining ISDN/PSTN Network Services
516