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4.1.2 Integrated Services Digital Network (ISDN) Service Features
9.11 PBX Configuration—[1-1] Configuration—Slot—V-SIPGW128—Port Property—Register—Registrar
Server IP Address for Failover
9.11 PBX Configuration—[1-1] Configuration—Slot—V-SIPGW128—Port Property—Option—Failover
Timer(REGISTER)
4.1.2 Integrated Services Digital Network (ISDN) Service
Features
4.1.2.1 Integrated Services Digital Network (ISDN)—SUMMARY
Description
ISDN is a digital switching and transmission network. ISDN transmits voice, data, and image in digital
format. ISDN lines, if available, can be connected to public line (trunk), private line (QSIG), or ISDN terminal
devices (extension).
1.
ISDN Interface and Configuration
Interface Type
Basic Rate Interface
(BRI)
Primary Rate
Interface (PRI)
→ 9.26 PBX Configuration—[1-1] Configuration—Slot—Port Property - BRI Port—Main—Port Type
*1
→ 9.27 PBX Configuration—[1-1] Configuration—Slot—Port Property - PRI Port—Main—Port Type
*2
For BRI only:
*3
→ 9.26 PBX Configuration—[1-1] Configuration—Slot—Port Property - BRI Port—Network—Access Mode
Note
Point-to-Point (P-P):
One ISDN terminal device can be connected to one ISDN port.
Point-to-multipoint (P-MP):
A maximum of eight ISDN terminal devices can be connected to one ISDN port.
2.
ISDN Supplementary Service Table for Public Network
Service
Direct Dialling In (DDI)
314
Feature Manual
Description
Provides two 64 kbps B
channels for communication
and one 16 kbps D channel for
signalling (2B + D).
Provides thirty or twenty-three
64 kbps B channels for
communication and one 64
kbps D channel for signalling
(30B + D/23B + D).
Directs a call with a DDI number to a preprogrammed
destination. (P-P only)
→ 2.1.1.3 Direct Inward Dialling (DID)/Direct Dialling In (DDI)
Port Mode
Trunk,
*1
Extension
QSIG (Master,
*1
Slave)
Trunk, QSIG
(Master, Slave),
*2
Extension
Description & Reference
Configuration
*3
Type
Point-to-Point/
Point-to-multipoint
Point-to-Point
Point-to-Point
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