PRI variants and specifications

The following table lists variants and specifications for the PRI interface:

Network protocol variant

Specification

AT&T 4ESS (AT4)

TR 41459 (June 1999), PRI or BRI only

AT&T 5ESS10 (E10)

Custom now edited by LUCENT

AT&T 235-900-342 (January 1996): PRI or BRI

Northern Telecom DMS-100 (DMS)

NIS A211-1 Standard 08.01: PRI or BRI

Bellcore National 2 (NI2)

SR-3887 (November 1996): PRI or BRI

France Telecom Euro ISDN and
Euro Numeris (VN6)

ETS 300 102-1 (December 1990) + Addendum ETS 300 103-1/A2 (October 1993)

CSE P 10-21A (June 1994): French deltas

NTT INS 1500 (NTT)

INS-NET-64 (March 1993)

Hong Kong (HKT)

HKTA 2015 Issue 1 (1996)

Korea (KOR)

Similar to ETS. There is no Korean specification, but ETSI specifications have been implemented in NMS ISDN with some changes requested by Korean Samsung.

Taiwan (TWN)

ME 0200-2 May 1997, edited by Chunghwa Telecom Co. Ltd.

Australia (AUS)

TS-013.1 1990 and TS-014.2 1990

Signaling at the Q reference point (QSIG)

ECMA 143 (June 1997)

ANSI T1.607 (ANSI)

T1.607-2000