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C-1

Appendix C

ISDN Conﬁguration Guide

This appendix contains supplemental ISDN conﬁguration

information.

Deﬁnitions

The following terms are used in this appendix:

Directory number: The actual phone number associated with the

ISDN line you order. Depending on the type of switch protocol used

on your line, there may be one directory number for both

B-channels, or one for each B-channel.

SPID: The Service Proﬁle ID generally looks like the directory

number with some extra digits (the TID) appended to it. SPIDs are

used only in North America. The number of SPIDs received from your

ISDN service provider can vary from none to two.

TID (Terminal ID): This one- or two-digit number is associated with

the SPID. It’s usually 1 or 01 for the ﬁrst SPID and 2 or 02 for the

second SPID, but it can vary in form. You may need to add a TID to

each SPID you use when you conﬁgure the Netopia Router.

If you encounter other unfamiliar terms, check the glossary.

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Netopia Router PN Series Manual do Utilizador Página 253