Physical Programming of Your Extension
MD Evolution – Dialog 4425 IP Vision160
A fine adjustment of your extension’s loudspeaker and handset can 
be made directly on your extension – when not in programming 
mode – when you are using either the handset or handsfree mode 
for an ongoing call. Under these conditions:
ì Simply press either the + or - keys to increase or decrease 
the listening volume.
The listening volume increases or decreases as you press the keys.
This adjustment is saved for all subsequent calls, until you adjust it 
once again.
The selected level is also indicated by the icon shown on the left 
when you have an ongoing call on your extension.
Adjusting the Date and Time Display 
Format for Your Extension
Your extension continuously displays the date and time, according 
to one of the formats provided. The time follows either the 12 or 
24-hour format, and the date follows one of the various Latin or 
Anglo-Saxon formats.
To set the time format displayed on your extension, after accessing 
your extension’s physical programming mode and selecting the 
“Time & Date” feature then framed:
CallList  PhoneBook WAP Services
Programmable Keys
Ring Character
Language
Display Contrast
Exit ÛÞ Select