420 Speakerphone (V2)

The 420 Speakerphone (Figure 4-6)is a single-line voice terminal that can be desk or wall mounted. This set comes equipped with the following:

Handset

Touch-Tone Dial

Built-In Speakerphone

Twelve Memory Buttons—Where emergency numbers and frequently called numbers can be stored for quick calling.

Six Fixed Feature Buttons

Program—For entering the memory button programming mode.

Redial—For recalling the last number dialed.

Flash—For generating a timed switchhook flash.

Mute—For turning off the speakerphone microphone temporarily for privacy

Hold (with status lamp)—For putting calls on hold.

Speaker (with status lamp)—For making speakerphone calls and for turning

on the speaker during handset calls.

Tone Ringer

Three Volume Controls

Tone ringer

Speaker

Handset receiver.

Adjuncts: None

4-16

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AT&T AT&T manual Speakerphone