AT&T System 85 manual Hidden/Craft Features, Power Failure Operation

ISDN 8510T Voice/Data Terminal

Hidden/Craft Features

The ISDN Terminals Installation and Tests Manual, Issue 3, 555-021-101, contains information on completing the following tasks for the ISDN 8510T voice/data terminal:

How to enable or disable the listen-only speaker or the speakerphone

How to enable Selectable Ring Preference

How to clear all parameters stored in memory

How to clear a user’s password

How to set a password known only by the system manager

How to send or disable Button Number 11

Power Failure Operation

The 8510T cannot be used as an emergency station during power failure transfer conditions.

FCC Registration

The 8510T voice/data terminal is FCC registered as a Class A terminal.

Hearing Aid Compatible

This terminal is compatible with the inductively coupled hearing aids as required by the FCC.

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