Service
Multiple Subscriber Number
(MSN)
Calling Line Identification
Presentation (CLIP)
Connected Line
Identification Presentation
(COLP)
Calling Line Identification
Restriction (CLIR)
Connected Line
Identification Restriction
(COLR)
Subaddressing (SUB)
User-to-user Signalling Type
1 (UUS-1)
Advice of Charge (AOC)
Call Forwarding (CF)—by
ISDN
Call Hold (HOLD)—by ISDN
1.20 Integrated Services Digital Network (ISDN) Service Features
Description & Reference
One ISDN port can support a maximum of 10 MSNs for routing
incoming calls. (P-MP only)
→ 1.1.1.4 Multiple Subscriber Number (MSN) Ringing Service
Sends the caller's telephone number to the network when making a
call. The called party can see the number on his telephone display
before answering the call.
→ 1.20.1.2 Calling/Connected Line Identification Presentation (CLIP/
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.
→ 1.20.1.2 Calling/Connected Line Identification Presentation (CLIP/
COLP)
Prevents the caller's CLI being presented to the called party by the
caller.
→ 1.20.1.2 Calling/Connected Line Identification Presentation (CLIP/
COLP)
Prevents COLP being sent by the answered party.
→ 1.20.1.2 Calling/Connected Line Identification Presentation (CLIP/
COLP)
You may add digits after the telephone number. These digits will be
passed to ISDN terminal device.
Transmits a specified volume of the data through the D channel
between the ISDN terminal devices of different PBXs using UUS
types 1.
The PBX can receive the call charge information on ISDN lines from
the telephone company.
→ 1.20.1.3 Advice of Charge (AOC)
Forwards an incoming call to another outside party using the ISDN
service of the telephone company.
→ 1.20.1.4 Call Forwarding (CF)—by ISDN (P-MP)
→ 1.20.1.5 Call Forwarding (CF)—by ISDN (P-P)
Puts one ISDN call on hold.
→ 1.20.1.6 Call Hold (HOLD)—by ISDN
Feature Guide
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