7400-Series Telephones - Avaya Communication Manager Administrator's Manual

Telephone Reference

7400-series telephones

7401D telephone
The 7401D (7401D01A) and the 7401+ (7401D02A) are both single appearance digital phones
which have no call appearance buttons or lights, but have two virtual call appearances.
Depending on how the 7401D or the 7401+ telephone is administered, the second call
appearance may be restricted to incoming priority calls and outgoing calls only.
7403D telephone
The 7403D is a multi-appearance digital telephone which has 10 buttons available for line
appearances, one-touch feature access, or Speed Dialing. In addition, the 7403D telephone
may be equipped with a Digital Terminal Data Module (DTDM) which attaches to the right side
and allows the connection of a EIA RS-232C data terminal.
7404D telephone
The 7404D is a multi-appearance digital telephone which provides simultaneous voice/
asynchronous data transmission. All the transmission is done over the same two pairs of wire.
7405D telephone
The 7405D telephone is a multi-appearance digital telephone which allows features to be added
as the user needs them. The Digital Display can be added to provide access to the Message
Center. A Digital Terminal Data Module or 7400B can be added to enable the user of a 7405D
telephone to transmit or receive data with an associated data terminal.
The basic 7405D provides 10 call appearance/feature buttons with lights that can be assigned
to call appearances or system features. It has 24 programmable feature buttons and six
fixed-feature buttons. The 7405D can also have a function key module which adds 24 feature
buttons and a call coverage module (when no display module is used) which adds 20 call
appearance/feature buttons.
622 Administrator Guide for Avaya Communication Manager