Getting started

Quick reference guide

FLASH

During a call, press to answer an incoming call when you receive a call waiting alert (page 24).

MUTE

During a call, press to mute the microphone (page 24).

During an incoming call, press to mute the ringer (page 22).

HEADSET

When a corded headset is connected to the deskset, press to get a line, answer a call or hang up

(pages 19-22). The red indicator is on when the headset is in use.

PTT

Press to initiate a PTT call (page 35).

Press and hold to broadcast to all extensions (page 36).

INT

When in idle mode, press to initiate an intercom call (page 31).

Speed dial keys

Press to review or dial a stored speed dial number when the deskset is not in use (page 21).

LOWER

Press to enter the lower speed dial locations \page 21).

SPEAKER

Press to turn on the speakerphone. Press again to turn it off (page 22).

VOL+/VOL-

During a call, press to adjust the listening volume (page 24).

During message playback, press to adjust the playback volume (page 58).

Press to adjust the ringer volume (page 13).

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AT&T SB67148 user manual Flash