Features and Specifications Manual I - 17
ISDN-PRI Trunk Connections
I-7
FEATURE
DESCRIPTION
ISDN-PRI (Integrated Service Digital Network - Primary Rate Interface) is a
Public Switched Telephone Network (PSTN) service that provides 23 B
channels (16 B channels for the Electra Elite 48) and a single D channel
(23B+1D) for trunking. The Electra Elite supports CO Line or DID Line type
connections.
Implementation of ISDN-PRI features is described below:
PRT(1)-U10, Firmware Version 1.00 and System Software S3000
Version 3.01 Initial Release CO Line emulation only.
PRT(1)-U10, Firmware Version 2.00 and System Software S4000 or
higher supports the Call by Call and DID functions.
PRT(1)-U10, Firmware Version 2.10 and System Software S4500 or
higher supports the E-911 service using PRI.
PRT(1)-U10/20, Firmware Version 3.50 or higher and System Software
S4000 or higher supports Caller ID Name.
PRT(1)-U10/20, Firmware Version 2.10 or higher and System Software
S6000 or higher supports Calling Party Number (CPN) presentation from
the station.
SYSTEM
AVAILABILITY
Terminal Type:
Not applicable
Required Components:
CLK-U10 Unit
PRT(1)-U10/20 ETU
OPERATING
PROCEDURES
None.
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