Electra Elite IPK II Document Revision 4C
ISDN Compatibility 2 - 635
ISDN Compatibility
Description
ISDN-BRI
Integrated Service Digital Network – Basic Rate Interface (ISDN-BRI) is a Public Switched Telephone
Network (PSTN) service that provides two B channels and a D channel (2B + D) for voice call trunking.
The B channels provide two voice path connections. Caller ID is usually a standard feature on ISDN-BRI
provided trunks. Caller ID indication displays the calling party telephone number on the LCD of the
Multiline Terminal for CO incoming calls. This interface provides voice communication path only.
ISDN-PRI
ISDN-PRI (Integrated Service Digital Network – Primary Rate Interface) is a Public Switched Telephone
Network (PSTN) service that provides 23 B channels and a single D channel (23B+1D) for trunking.
Caller ID indication displays the calling party telephone number on the LCD of the Multiline Terminal for
CO incoming calls. This interface provides voice communication path only.
ISDN – BRI/PRI Features
DID Line Service
When configured for DID Line Service, the trunks emulate Loop Start or Ground Start trunks for
outgoing calls and DID trunks for incoming calls.
Calling Line Identification Presentation (CLIP)
PRG 10-03-05: ETU Configuration – CLIP Information Announcement, allows the Calling Party
Number IE in the Setup Message for a call when placed out an ISDN Trunk.
Enhancements
Version 1500 or higher:
The T1/PRI Interface ETU can be programmed as a 4/8/12/16/20/24-port Fractional T1/PRI (when PRG
10-39-01 is Enabled).
Supports Called Party Number Enhancement so the IPK II can edit the Called Party Number Parameter
using the Network Specified Parameter Table settings (PRG 26-12-01 and PRG 26-12-02).
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