Aastra Telecom 4223 manual Headset Key, Volume Control Keys, Key Clear or Erase, Handset

Introduction to Your Extension

Í

ì

í

10Headset Key

Pressing this key toggles between the handset calling mode and headset operation. There is a headset jack on the underside of your extension.

See also the “Your Extension’s Accessories” section.

11Volume Control Keys

During a call, these two keys control the listening volume on your loudspeaker or handset. When an incoming call is ringing, these keys also control the ring volume for your extension.

See also the “Operations during a Call” and “Programming Your Extension” sections.

12“C” Key (Clear or Erase)

This key disconnects an incoming or outgoing call executed in handsfree mode. It also enables you to exit your extension’s programming mode.

See also the “Operations for Incoming Calls”, “Operations for Outgoing Calls”, and the “Programming Your Extension” sections.

13Location of the Microphone

14Location of the Loudspeaker

Your extension has a microphone and a loudspeaker for the hands- free or speakerphone calling modes.

15Handset

This also features a speakerphone function.

16Satellite or Add-on Key Panel

Your extension may be equipped with (a) satellite(s), each featuring 17 programmable repertory keys. From one to four additional panels may be connected to your extension.

See also the “Your Extension’s Accessories” section.

10 MD Evolution – Dialog 4223 Professional