Aastra Telecom 4223 manual Muting during a Conversation, Press this key to activate the mute mode

Operations during a Call

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Muting during a Conversation

When you participate in an incoming or outgoing conversation using handsfree mode, you may activate the mute function for your ex- tension, preventing your party from hearing what you say. To do so:

Press this key to activate the mute mode.

The LED associated with this key is lit, and your extension’s microphone is momentarily deactivated. Only your extension’s loudspeaker remains active.

To deactivate the mute function:

Simply press this key once again.

The LED associated with this key is unlit, and your conversation once again continues normally in handsfree mode.

Note: This function is also applicable when you carry on a conversation on the handset. It momentarily cuts off voice transmission from your extension’s handset.

Adjusting the Loudspeaker or Handset

Listening Volume

Whether you are carrying on a conversation on the handset or in handsfree mode, you can adjust the handset/loudspeaker listening volume for your extension.

This volume is pre-set. See also the “Programming Your Extension” section.

When necessary, during a call, you may modify the level, for example to compensate for a temporarily noisy environment.

ìTo do so:

Simply press either the + or - keys to increase or decrease

the listening volume.

This adjustment is then only valid for the current call.

36 MD Evolution – Dialog 4223 Professional