ISDN is supported on the Sonus SBC 1000/2000 DS1 interface. Each DS1 interface can be configured for T1 or E1. Sonus SBC 1000/2000 supports both "ISDN to ISDN" and "ISDN to/from SIP" calls.
Sonus SBC 1000/2000 Supports ISDN PRI trunks with the following ISDN variants:
Specifications Supported
| ISDN PRI Trunk/Variant | Based on Specification |
|---|---|
| Q.SIG | ECMA-143 4th Edition December 2001 |
| EuroISDN | ETS 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 5ESS | TR41459 June 1999 |
| NTT INS NET 1500 | - |
Overview
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