REDIAL

BUTTON

VOLUME

MEMORY

BUTTONS

SPEAKER RECEIVER

PROGRAM BUTTON

FLASH BUTTON

HOLD BUTTON AND LAMP

SPEAKERPHONE BUTTON AND LAMP

MUTE BUTTON

CONTROL

VOLUME VOLUME

CONTROL CONTROL

Figure 4-6. 420 Speakerphone Voice Terminal

4-17

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Image 352
AT&T AT&T manual Speakerphone Voice Terminal