AASTRA 4187 Plus for BusinessPhone User Guide EN - Manual (Page 81)

81 BusinessPhone – Dialog 4187 Plus
Settings
Headset Ringing
Note: To use this function, an optional headset must be
connected to your phone.
If this function is activated, you hear the first two incoming ringing
signals as a beep in the headset. The 3rd and the following ringing
signals are sent to the ringer as well. ²
Press.
¯
or
·
Press to navigate to the HEADSET RINGING menu.
´ ²
Press to enter the menu.
The display shows the current setting, for example:
Note: The default setting is ON. ¯
or
·
Press to toggle between ON and OFF.
´ ²
Press to save and exit.
Hearing Aid Compatibility
The telephone has a built-in inductive coupler for the hard-of-
hearing. To use the telecoil in a hearing aid while telephoning,
switch the hearing aid to its T position.
HEADSET RINGING
ON