Direct Inward Dialing (Did) - Panasonic KX-TD500 Features Manual

General Features

Direct Inward Dialing (DID)

Description
Allows incoming CO calls to reach a specific extension, a virtual extension or a group of
extensions in the system directly in accordance with the subscriber number sent from the
Central Office.
Possible destination of DID calls
• Extension user
• Extension Group
• External Pager (TAFAS)
• Incoming Group
• Modem (Remote Administration)
• OGM Group (DISA message)
• Phantom extension
• Other PBX extension
Call Flow
Receives the subscriber number from the Central Office via a DID line.
Modifies the subscriber number according to DID Digits Modification.
Determines the destination DN or FDN according to "DID Dial Registration."
DID Digits Modification Procedures
The System modifies the subscriber number according to the following three parameters.
1.
Digit to receive DID
The number of digits effective in the received subscriber number.
2.
Digits to delete
The number of digits to be deleted from the beginning of the digits processed in Step 1.
3.
Number to be added
The dials to be inserted at the beginning of the digits processed in Step 2.
124 Features Guide