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RMX 2000 Administrator's Guide - Polycom Support

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Chapter 12-Network Services<br />

12-44<br />

• Change of video mode (capabilities) from remote side during call<br />

• Audio algorithms G.729 and G.723.1<br />

• FECC<br />

• H.243 Chair Control<br />

• Encryption<br />

• T.120 data sharing protocol<br />

• H.261 Annex D<br />

• Cascading using an ISDN connection as cascade link<br />

Adding/Modifying ISDN/PSTN Network Services<br />

The system administrator can use the <strong>RMX</strong> Management – ISDN/<br />

PSTN Network Services section of the <strong>RMX</strong> Web Client to add a second<br />

ISDN/PSTN Network Service or modify the first ISDN/PSTN Network<br />

Service.<br />

A new ISDN/PSTN Network Service can be defined even if no RTM ISDN card<br />

is installed in the system.<br />

Obtaining ISDN/PSTN required information<br />

Before configuring the ISDN/PSTN Network Service, obtain the<br />

following information from your ISDN/PSTN Service Provider:<br />

• Switch Type<br />

• Line Coding and Framing<br />

• Numbering Plan<br />

• Numbering Type<br />

• Dial-in number range<br />

If the <strong>RMX</strong> is connected to the public ISDN Network, an external CSU or similar<br />

equipment is needed.

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