1.19 Integrated Services Digital Network (ISDN) Service Features
148 Feature Guide
Conditions
• En bloc
The PBX sends all of dialed digits at once after the extension user completes dialing. The PBX
recognizes the end of dialing as follows:
– When the extension user dials "#", if programmed
– When the extension user dials a preprogrammed telephone number
– When the inter-digit time expires
• Extension Number
An extension number can be assigned to each ISDN port.
• Network Type
Each ISDN port can be set to the requirements of each country/area.
• L1 Active Mode and L2 Data Link Mode
The active mode of Layer 1 (L1) and the data link mode of Layer 2 (L2) can be selected individually
(Permanent or Call by Call) for each ISDN port.
• TEI Assignment Mode
The Terminal Endpoint Identifier (TEI) assignment mode can be selected for each ISDN port.
• Bearer Mode
The bearer mode can be assigned for each ISDN port.
Feature References
1.27.2 QSIG Network
1.19.1.2 Calling Line Identification Presentation (CLIP)
Description
The PBX can send a preprogrammed telephone number to the network when an extension user makes a
call. The called party can see the number on his or her telephone display before answering the call.
[Example]
CLIP Number
Telephone numbers sent to the network for Calling Line Identification Presentation (CLIP) can be assigned
as follows:
• A CLIP number for each ISDN port (subscriber's number)
• A CLIP number for each extension (→ CLIP Number [606])
• A CLIP number for each incoming call distribution (ICD) group
Each extension can select to use the CLIP number either assigned to the ISDN port or to the extension. The
CLIP number for the ICD group is used when making a call by pressing the G-DN button.
ISDN
1) Dials
"87654321".
Called party
CLIP No.: 87654321
Caller
CLIP No.: 12345678
2) "12345678"
is displayed.
PBX