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Chapter 16-Network Services
Polycom, Inc. 16-49
7 Click Next.
The Phones dialog is displayed.
8 To define dial-in number ranges click the Add button.
9 The Add Phone Number dialog box opens.
10 Define the following parameters:
Line Coding Select the PRI line coding method from the list.
• For T1 spans, default is B8ZS.
• For E1 spans, default is HDB3.
Switch Type Select the brand and revision level of switch equipment installed in
the service provider’s central office.
• For T1 spans, default is AT&T 4ESS.
• For E1 spans, default is EURO ISDN.
Note: For T1 configurations in Taiwan, Framing must be set to ESF
and Line Coding to B8ZS.
Table 16-26 Span Definition (Continued)
Field Description
Table 16-27 Phones Settings
Field Description
First Number The first number in the phone number range.
Last Number The last number in the phone number range.