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Prestige 128IMH User's Guide
11. Advanced Phone Services
The Prestige 128IMH supports a comprehensive set of advanced calling features known as
Supplemental Services. These features include:
•
Call Waiting
•
Three Way Calling (conference)
•
Call Transfer
•
Call Forwarding
11.1.
11.1.1.
Supplemental Services.
1. Additional Call Offering (ACO) is required on your ISDN line in order to use the Call
Waiting feature. Flexible Calling is required on your ISDN line in order to use the
Three-Way-Calling or Call Transfer features. You need to check with your telephone
company to confirm if these services are available to you and if so if there is any
additional charges for them.
2. In some cases, your telephone company may only enable these features on your first
directory (phone) number. In which case you may want to request that they be enabled
on you second directory number as well.
11.2.
Menu 2.1 controls the Supplemental Services settings. Your telephone company should
provide you with certain feature keys that need to be setup in this menu before you can use
the Advanced Call Features. There are defaults already setup in Menu 2.1, however these
defaults should be changed to match the information your telephone company provides you.
ZyXEL by default has set the values as specified by NI-1.
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Getting Started
Things you need to know before you start using
Setting Up Supplemental Phone Service
ZyXEL
Page 11-1
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