iPECS UCP
Feature Description and Operation Manual Issue 1.3
317
4.14 ISDN (Integrated Service Digital Network)
Description
The iPECS system supports both BRI (Basic Rate Interface) and PRI (Primary Rate Interface)
ISDN circuits. Both the ETSI 30B+2D and NA 23B+D channel configurations are supported.
Through switches on the PRI Interface module, E1/T1 digital Line operation or PRI ISDN
operation is selected.
4.14.1 Calling/Called Party Identification
Description
The iPECS system receives calling party identification in the ISDN call Set-up message,
CLIP-Calling Line Identification Presentation. The answering party identification, which may
be different from the called party, is received in the ISDN connect message, COLP-
Connected Line Identification Presentation. When provided, the LCD of iPECS IP and LDP
Phones displays the identification, which is included in call records.
LINE RINGING
CLI 03438502821
The system will also compare the Calling Line Identification to the Speed Dial bins. If a match
exists, the Name of the Speed Dial bin may be displayed in place of the number.
For an incoming call, the received identification may be sent to the selected serial or TCP
port for output. The output will appear as below:
Output at ring start:
AA : BBBBBBBBCCC
Output at ring stop (abandoned):
AA : BBBBBBBBCCC : DDDDDDDDD(EEE)
Output at answer:
AA : BBBBBBBBCCC : DDDDDDDDD(EEE) -> FFF
Where:
AA – ISDN CO line number
BB…B –Calling/Connected Line Identification received
CCC – Called station
DD…D – Speed Dial name
EEE – Speed Dial bin number
FFF – Answering station
The system will send calling and answering party identification in the appropriate messages
to the ISDN based on the database. Identification messages may be restricted, not reported,
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