1.1 Incoming Call Features
18 Feature Guide
1.1 Incoming Call Features
1.1.1 Incoming CO Line Call Features
1.1.1.1 Incoming CO Line Call Features—OVERVIEW
Description
Each CO line functions as either a public line or a private line. Private lines are used to connect different
PBXs and form a private network (→ 1.25.1 TIE Line Service), while public lines connect a PBX to a public
network, i.e., the telephone company. Certain PBX features are available depending on the networking type
(public or private) of each CO line.
1. Networking Type Used by Each CO Line
2. Distribution Method
Each public CO line port uses a method of distributing calls to their destinations as they are received.
3. Available Destination
The following destination types can be programmed as DIL or CLI destinations.
Distribution Method Description Details in
Direct In Line (DIL) Directs a call to a preprogrammed destination, such
as an operator, based on the CO line carrying the
call.
• 1.1.1.2 Direct In
Line (DIL)
Calling Line Identification
(CLI) Distribution
Directs a call to its preprogrammed destination if the
caller's telephone number and its CLI destination
has been stored in the System Speed Dialing Table.
• 1.1.1.3 Calling
Line Identification
(CLI) Distribution
Destination Type Availability
Wired Extension (PT/SLT)
PS
ICD Group
PS Ring Group
VM Group (DTMF/DPT)
External Pager (TAFAS)
LCOT
IP-GW
Networking Type
PrivatePublic
CO Line
Card
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