SLT and ISDN Telephone Features
7-51
7.2
SLT and ISDN Telephone Features
I
Intercom Calling
Allows you to make a call to another extension.
1. Lift the handset.
2. Dial the extension number.
3. Start talking.
4. Hang up after completion of the conversation.
Conditions
• After dialling an extension number, you will hear one of the following tones:
Ringback tone: Indicates that the destination extension is being called.
Confirmation tone: Indicates that you can perform voice calling.
Busy tone: Indicates that the destination extension is busy.
Do Not Disturb (DND) tone: Indicates that the destination extension has been set
the “Do Not Disturb (DND)” feature.
Programming References
• User Programming (Section 3) / System Programming (Installation Manual)
[003] Extension Number Set
[004] Extension Name Set
1
2
extension number
4
3