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Not supported by SBC SWe Lite in this release.

ISDN is supported on the SBC Edge DS1 interface. Each DS1 interface can be configured for T1 or E1. The SBC Edge supports both "ISDN to ISDN" and "ISDN to/from SIP" calls.

The SBC Edge supports ISDN PRI trunks with the following ISDN variants:

Table : Specifications Supported

ISDN PRI Trunk/VariantBased on Specification
Q.SIGECMA-143 4th Edition December 2001
EuroISDNETS 300 102-1 December 1990
Nortel DMS-100

Northern Telecom Primary Specification BCS 36 ISDN Primary Rate User-Network Interface

NIS A211-1 Release 6, March 4, 1994

National ISDN Number 2 (NI-2)SR-4994 Issue 1 December 1999
AT&T 4ESS-
AT&T 5ESSTR41459 June 1999
NTT INS NET 1500-