89BusinessPhone – Dialog 4222 Office / Dialog 3211 & 3212
Settings
*00* Press to enter the programming mode.
_AÔ Press the desired programmable key.
13 Enter the Function code for Supervision.
_AÕÔ Press the programmable key again.
204 Enter extension number.
_AÕÔ Press the programmable key again.
1 Press to select ringing character.
_AÕÔ Press the programmable key again.
í Press to finish programming.