Section 700 - Operation Chapter 3. System Features
576-50-700 DBS 576 (USA) issued September 2001 3-29
Hardware Requirements
•N/A
Related Programming
• FF1-0-26: DISA Incoming Code
• FF1-0-26: DISA Outgoing Codes and TRS Assignments
• FF1-0-04: Class of Service (DISA ID Check)
• FF2: Ring Type
Considerations
• Busy override cannot be used for a DISA line.
• DISA can be used to access extensions as well as outside numbers.
• Paging cannot be accessed from a DISA line.
• While dialing an extension number, the * key may be entered to cancel dialing and return to dial
tone. The # key may be entered to disconnect.
Distinctive Ringing
Description
Distinctive Ringing sets CO calls to ring with a distinctive ring based on the trunk. This “ring” also
identifies the call as an outside call instead of an inside call.
Beginning with CPC version 2.0, calls to a key telephone or DSLT can also be set to distinctive
ringing on an extension basis.
Hardware Requirements
•N/A
Related Programming
• FF2-0: (Trunks) Ring Pattern and Frequency
• FF3-0: (Extensions) Ring Pattern and Frequency
• FF1-0-04: (System) Trunk Class of Service
Considerations
•N/A
Door Box
Description
The door box (also called door phone) allows visitors to announce their presence from the office door,
etc. When the button on the door box is pressed, one or more phones ring in the System. When
answered, a two way conversation is made between the door box and the answering phone.
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