3-70 Telephone Features
I 3.2 Telephone Features
Conditions
• After dialing an extension number, you will hear one of the following tones.
Ringback tone: Indicates the destination extension is being called.
Confirmation tone: Indicates you can perform voice calling (e.g. Paging).
Busy tone: Indicates the destination extension is busy.
Do Not Disturb (DND) tone: Indicates the destination extension has set the “Do
Not Disturb (DND)” feature.
• An extension number and a name, if programmed, are shown on a display PT during an
intercom call.
• You can assign a DSS button on a flexible button through Station Programming. The
stored number can be displayed by pressing the desired DSS button while on-hook.
Programming References
• Station Programming (Section 2)
Flexible Button Assignment — Direct Station Selection (DSS) Button
• System Programming — Installation Manual
[009] Extension Number Assignment
[604] Extension Name Setting
PT
PT
Intercom Calling
Allows you to make a call to another extension.
Using the handset
Any Telephone
Lift the handset or press
SP-PHONE/MONITOR.
Talk.
Hang up or press
SP-PHONE.
Press the flexible button
assigned as a DSS button.
