AASTRA 4422 IP Office (SIP) for MX-ONE User Guide - Manual (Page 79)

79 Dialog 4422 IP Office
Settings
Option unit
If your phone is equipped with an option unit, you can use this
menu to select the function of the option unit.
Change the function of the option unit
Settings
Ô
Press.
ì
Press.
Repeat until the
Option Unit menu is framed.
Press.
The display shows:
ì
Press to change between the features Extra Bell ,
Busy Signal and Combined Bell/Busy .
• Extra Bell: The extra bell is activated in parallel with the ring
signal. A free on second call does not activate the extra bell
feature.
• Busy Signal: The busy signal is activated when your phone is
busy (during calls). The feature can be used to control for
example a Do-not-disturb lamp at the door.
• Combined Bell/Busy: Activated in parallel with the ring signals
and steady active when your phone is busy (during calls). A free
on second call does not activate the extra bell feature.
Note: The Clear key can be used to leave the menu without
saving the changes.
Press to store the selected feature.
Press to return to the previous menu,
or
Settings
Х Ф
press to return to idle mode.
Extra Bell
Busy Signal