AT&T 7402 manual Standard 12-button pad for dialing phone numbers

Dial pad	The standard 12-button pad for dialing phone numbers
	and accessing features. The letters, ‘‘Q’’ and ‘‘Z’’ have
	been added to the appropriate dial pad keys for
	directory access, and the ‘‘5’’ button on your dial pad has
	raised bars for visually-impaired users.

Volume button

For adjusting the volume of the speaker when you are using the speaker and a call is in progress, or for adjusting the volume of the tone ringer when you are not using the speaker.

Handset jack

(on back of voice terminal)

For connecting the handset cord to the voice terminal. Located on the back of your voice terminal, and is

labeled .

Speaker button	For accessing the listen-only speaker.
Drop/Test button	For disconnecting from a call or dropping the last party
	added to a conference call. When used with Select you
	can perform a self-test of your voice terminal button
	lights and tone ringer.
Conference/Ring button	For setting up conference calls. When used with
	Select , you can select a personalized ringing pattern
	for your voice terminal.

Message light

A red light which goes steadily when a message has been left for you.

The following optional modules are compatible with the 7402 Plus voice terminal:

3500A Headset Adapter

7400B Data Module

S101A and S201A Speakerphone

Provides a dual-purpose switch which turns on the adapter connecting the headset to the telephone. Pressing the ON switch is equivalent to going off-hook with the handset, and pressing the OFF switch is equivalent to going on-hook with the handset. Plugs into the speakerphone/headset adapter jack.

Provides data capability to the attached DCP telephone. It also provides integrated simultaneous voice data communications over standard twisted-pair wiring. Plugs into the line jack.

Provides total telephone operation without using the handset. Turning on the speakerphone is equivalent to going off-hook when placing or answering a call and turning off the speakerphone is equivalent to going on-hook. A mute switch is provided to temporarily cut off transmission to the distant caller. Plugs into the speakerphone/headset adapter jack.

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