IP PHONE FOR MX-ONE™
111 6/1553-DBC 444 01 Uen B4 2014-03-26
18.3.2.1 Setting the Alert Signal For Incoming Calls
To change the alert signal for incoming calls, do the following:
1. Press .
2. Select Sounds and press Select.
3. Select Alert and press Select.
4. Select Alert 1st call or Alert 2nd and 3rd call, and press Select.
5. Select an alert type, and press Set. 
The available alert types are described above.
Note:  If you wish to listen to an alert signal before selecting it, press 
Play. When you are done listening to a signal, press Stop.
18.4 Display
This section describes how to change the display brightness and how 
long the display will be illuminated, that is, the brightness hold time.
18.4.1 Setting the Brightness
To modify the brightness hold time, do the following:
1. Press .
2. Select Display and press Select.
Press Select again to open the Phone Brightness window.
3. Edit the Intensity and Brightness Hold time settings.
Periodic The ring signal alerts periodically.
Delayed Periodic There is a delay before the first ring signal. The 
length of the delay can be changed by the 
system administrator.
One Muted The phone rings once, then the signal is muted.
Delayed One Muted There is a delay before the ring signal. After one 
ring, the signal is muted. The length of the delay 
can be changed by the system administrator