FEATURES GUIDE

General Features
222 Features Guide
Ringing Tone Selection for CO Buttons
Description
Allows the digital proprietary telephone user to select the desired ringer frequency for each CO
button. This provides discrimination of incoming outside calls.
Conditions
There are 8 ringer frequencies available. One of them can be assigned to a CO button that is
assigned as each of the following buttons: Single-CO or Loop-CO button. It is not possible to
assign a ringer frequency to any other button.
Programming Guide References
• [005] Flexible CO Button/PF Key Assignment
Features Guide References
None
User Manual References
• 4.1.3 Customising the Buttons