Quick Reference Guide

Reference Guide for the Model RT338 ISDN Router
C-6 Ordering ISDN Lines
Supplemental Voice Services
To take advantage of the special voice features on a Netgear ISDN device, you must subscribe to
one or more services offered by the phone company. The following services are available for the
AT&T 5ESS and Northern Telecom DMS-100 N1-1 switches and for the DMS-100 Custom
switch. You should subscribe to the services that correspond to the features you want to use for
each Directory Number (B channel) you want to use them on.
Table C-7 lists the features and services available from the phone company.
*Refer to product information for your ISDN device to determine if it supports supplemental voice services.
**There may be an additional charge for each of these services.
Note:
Some phone companies may offer voice services only on the first Directory
Number.
Table C-7. Available Phone Company Features
Feature* Phone Company Service**
Call Waiting Additional Call Offering (ACO)
Inbound Call Bumping
Conference Call Flexible Call Offering (FCO)
Call Drop
Call Hold/Retrieve
Call Transfer
Call Forwarding Call Forwarding Variable (CFV)
Reminder Ring Reminder Ring
Distinctive Ring Distinctive Ring
Message Waiting Message Waiting
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