Nortel Meridian 1 Option 11C, Administration And Maintenance

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Page 100 of 492 Chapter 2 — Feature descriptions
553-3011-311 Standard 7.0 May 1999
ISDN BRI Trunk Access features: Generic X11
ISDN PRI features interaction with ISDN BRI
All Meridian 1 networking features and services supported by ISDN PRI are
also supported by ISDN BRI. The following exceptions apply:
ISDN PRI features not supported
The following ISDN PRI specific features are not supported by ISDN BRI:
— 1.5/2.0 Mb gateway
— 2 Mb gateway
— Automatic Trunk Maintenance
— Backup D-channel
— Channel negotiation - The channel negotiation capability applies at the
DSL level. If channel negotiation fails on a route with several ISDN BRI
trunks (several DSLs) there is no second call attempt on another DSL in
the same route.
— Digital Private Network Signaling No. 1 (DPNSS 1) - ISDN BRI
supports a gateway between IDA (DPNSS1 version of PRI) and MCDN
protocols for basic call features. Ring again features are not supported.
— In Service Messaging
— Integrated Service Access (ISA)
— ISDN Primary Rate Access Meridian 1 to AXE-10 Sweden Connectivity
— ISDN Primary Rate Access Meridian 1 to AXE-10 Australia
Connectivity
— ISDN Primary Rate Access Meridian 1 to SYS-12 Connectivity
— Integrated Service Digital Network Signaling Link (ISL)
— Non-Associated Signaling Channels (nB+D)
— Trunk Anti-tromboning - supported only over Virtual Network Services
BRI trunks