•
Some supplementary services are provided by the key protocol (→ 1.20.1.12 ISDN Service Access by
Keypad Protocol).
•
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 (→ BRI Network Type [420] *For
BRI only).
•
L1 Active Mode and L2 Data Link Mode
The active mode of Layer 1 (L1) (→ BRI Layer 1 Active Mode [424] *For BRI only) and the data link
mode of Layer 2 (L2) (→ BRI Layer 2 Active Mode [425] *For BRI only) can be selected individually,
Permanent or Call by Call, on an ISDN port basis.
•
TEI Assignment Mode
The Terminal Endpoint Identifier (TEI) assignment mode can be selected on an ISDN port basis (→ BRI
TEI Mode [427] *For BRI only).
•
Bearer Mode
The bearer mode can be assigned on an extension basis.
•
Automatic ISDN Configuration
ISDN (BRI) port configuration can be set automatically through system programming.
The following items will be set by making and receiving a call using the subscriber number assigned for
each ISDN (BRI) port:
–
L1 Active Mode
–
L2 Data Link Mode
–
Access Mode (Point-to-Point/Point-to-Multipoint)
–
TEI Assignment Mode (Fix 00–63/Automatic)
Feature Guide References
1.29.3 QSIG Network
1.20 Integrated Services Digital Network (ISDN) Service Features
Feature Guide
191