AASTRA 4425 IP Vision (SIP) for MX-ONE User Guide - Manual (Page 9)

Description
Dialog 4425 IP Vision 10
11 Message
Message indication key. When the key lamp is lit, it indicates that
you have a message. See section “ Messages ” on page 75.
12 Intrusion
Activating intrusion on a busy extension. See section “ When you
receive a busy tone ” on page 43.
13 Transfer
Transfer calls. See section “ Transfer ” on page 60.
14 Line/Hold
Indicates incoming or outgoing calls. See section “ Answer calls ” on
page 34.
15 Programmable Function keys
All keys, except for the Line/Hold key, can be used for
programming, if programmed by your system administrator.
To check the programmable function keys, see section
“ Programming of function keys ” on page 87.
16 Microphone
Used for handsfree conversation.
17 Clear
Disconnect calls or exit a feature. Can always be pressed instead of
replacing the handset.
18 Headset key
Handle headset calls and activate Headset Preset. See section
“ Headset (optional) ” on page 104.
19 Loudspeaker on/off
The Speaker key is used to initiate handsfree connection. By
pressing and holding it down for 4 seconds, the loudspeaker
preset mode is activated.
a. Activate handsfree conversation. See section “
During Calls ” on
page 58.
b. Activate Loudspeaker Preset. See section “ Headset Preset ” on
page 105.
20 Mute
a. Switch the microphone on or off during a call. See section
“ Mute ” on page 58.
b. Switch off the ring signal in idle mode or when ringing. See
sections “ Mute ring signal ” on page 101 and “ Silent Ringing ” on
page 101.
21 Volume control
Adjust the volume. See section “ Settings ” on page 87.