Chapter 16-Network Services
Polycom, Inc. 16-49
7Click Next.
The Phones dialog is displayed.
8To define dial-in number ranges click the Add button.
9The 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.