Interface Type Description Port Mode
Primary Rate Interface
(PRI)
Provides twenty-three 64 kbps B channels for
communication and one 64 kbps D channel for
signaling
(23B + D).
CO Line,
QSIG—Master,
QSIG—Slave
*1
*1
3.33 [1-1] Slot—Port Property - PRI Port—Main— Port Type
2. ISDN Supplementary Services for Public Network
Service Description Details in
Direct Inward Dialing
(DID)
Directs a call with a DID number to the
preprogrammed destination.
® 4.1.6 DID (Direct
Inward Dialing)
Calling Line
Identification
Presentation (CLIP)
Sends the caller’s telephone number to the
network
when
making
a
call. The called party can
see the number on his or her telephone display
before answering the call.
® 3.1.16 CLIP
(Calling Line
Identification
Presentation)
Connected Line
Identification
Presentation (COLP)
Sends the telephone number of the answered
party to the network when answering a call. The
caller can see the number on his telephone
display when the line is connected.
Calling Line
Identification
Restriction (CLIR)
Prevents the caller’s
CLI from being
presented to
the called party.
Connected Line
Identification
Restriction (COLR)
Prevents COLP from being sent by the answered
party.
Caller ID The PBX receives Caller ID information, such as
the caller
’s name and telephone number, when a
call is sent from the network. A display proprietary
telephone (PT) user can see this information
before answering the call.
® 3.1.3 Caller ID
3. Private Networking Connection (QSIG)
Private
networking
with
QSIG
is possible using an ISDN line. Each ISDN port must be programmed so that
each ISDN line has a "master" connection and a "slave" connection.
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:
– the # key is pressed (programmable).
4.18 [2-9] System Options—Option 2—
End of Dial Plan—[#] as End of Dial for en Bloc mode
– the dialed number is a preprogrammed telephone number.
5.4 [3-1-4] Dialing Plan
– the inter-digit timer expires.
4.5 [2-3] Timers & Counters—Dial / IRNA / Recall / Tone—
Dial—Extension Inter-digit
• Extension Number
An extension number can be assigned to each ISDN port.
6.1 [4-1-1] Wired Extension—Extension Settings—Main— Extension Number
Document Version 2013-05 Feature Manual 183
9.1.16 ISDN (INTEGRATED SERVICES DIGITAL NETWORK) FEATURES
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