Administrator’s Guide for the V500System
3 - 18 www.polycom.com/videodocumentation
Configuring Your ISDN Connection
If you have the ISDN option, you can connect your V500 through ISDN as well as
through one of the IP network connections described earlier in this chapter.

Preparing Your ISDN Network

Before you set up your connection using ISDN:
1. Refer to the Preparing Your Network for Collaboration document, available at
www.polycom.com/videodocumentation.
This document contains information you need to get your network ready, such
as worksheets that will help you order ISDN. Note that this document may not
pertain to all countries.
2. Obtain this information from your ISDN service provider:
•ISDN address
•SPIDs (in North America only)
•ISDN switch protocols

Configuring the ISDN Network Interface

To configure the ISDN network interface settings:
1. Go to System > Admin Settings > Network > ISDN.
2. Configure these settings:
Setting Description
Enable ISDN H.320 Check this to allow your system to make H.320 (ISDN) calls.
Outside Line
Dialing Prefix Enter the ISDN dialing prefix used to call outside the network.
ISDN Switch
Protocols Enter the protocol used by your network’s switch.