Aastra Telecom 4225, 4223 manual Callback

Models: 4225 4223

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Description

6Callback

Indicating/activating Callback. See section “When you receive a busy tone” on page 40. The feature can be removed or moved to another programmable function key by your system administrator.

7Diversion (Follow-me)

Indicating/activating and deactivating Diversion (Follow-me). See section “Call Forwarding” on page 62. The feature can be removed or moved to another programmable function key by your system administrator.

8Programmable function keys

Program numbers or features. See section “Programming of function keys” on page 98.

Note: The key marked with a “b” is also used to program a melody, see section Melody Ringing” on page 109.

9Triple Access Line

Handle calls. Line 1 and 2 are available both for incoming and outgoing calls. Inquiry can only be used for outgoing calls.

10Microphone

Used for handsfree conversation.

11Clear

Disconnect calls or exit a feature. Can always be pressed instead of replacing the handset.

12Headset key

Handle headset calls and activate Headset Preset. See section “Headset (optional)” on page 118.

13Loudspeaker on/off

a.Activate handsfree conversation. See section “During Calls” on page 52.

b.Activate Loudspeaker Preset. See section “Headset Preset” on page 119.

14Mute

aSwitch the microphone on or off during a call. See section “Mute” on page 53.

bSwitch off the ring signal in idle mode or when ringing. See section “Mute ring signal” on page 108 and “Silent Ringing” on page 108.

15Volume control

Adjust the volume. See section “Settings” on page 98.

16Loudspeaker

Dialog 4223 Professional/Dialog 4225 Vision

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Aastra Telecom 4225, 4223 manual Callback