Filter
Top Products
1.1 Incoming Call Features
Feature Guide 21
1.1.1.3 Direct Inward Dialling (DID)/Direct Dialling In (DDI)
Description
Provides automatic direction of an incoming call with a DID/DDI number to a preprogrammed
destination. Each DID/DDI number has a destination for each time mode (day/lunch/break/
night).
[Method Flowchart]
CLI works.
Yes
Yes
No
Does the call have its CLI*
information and is CLI mode
enabled for the time mode?
No
Is the CLI destination assigned?
The call is routed to the
DID/DDI destination.
The call is routed to the
CLI destination.
No
Yes
Is the DID/DDI number found in
the DID/DDI table?
Yes
Is the DID/DDI destination
for the time mode assigned?
No
The call is routed to the
operator (Intercept
Routing—No Destination).
*: Calling Line Identification (CLI) Distribution:
If the CLI routing is enabled and the caller's identification number is assigned in the Caller ID
Table, the call will not be routed to the DID/DDI destination, but routed to the CLI destination.
The call is routed to the
operator (Intercept
Routing—No Destination).
A trunk call is received.