Polycom RealPresence 1500 Administrator's Manual page 545

Collaboration server

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Span Definition

8 Click Next.

The Phones dialog is displayed.

9 To define dial-in number ranges click the Add button.

10 The Add Phone Number dialog box opens.

Polycom®, Inc.

Select one of the following options:

User side (default)

Network side

Symmetric side

Note: If the PBX is configured on the network side, then the Collaboration

Server unit must be configured as the user side, and vice versa, or both must be

configured symmetrically.

Select the PRI line coding method from the list.

For T1 spans, default is B8ZS.

For E1 spans, default is HDB3.

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.

Defining ISDN/PSTN Network Services

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