Isdn Bearer Capability; Services And Features For Isdn Bri And Pri; Pri Services And Features; Bri Services And Features - Nortel Enterprise Edge 2.0 Programming Manual

processing and service profile identifier (SPID) information is exchanged. This
controls which central office services are available to the connection. For
example, a network connection can be programmed to carry data calls.
Note: Throughout this chapter, references are made to Service profile identifiers
(SPIDs). SPIDs are a part of the BRI National ISDN standard. SPIDs are not
used in the ETSI BRI standard or on PRI.
The system of layers is important when you are installing, maintaining, and
troubleshooting an ISDN system. For information about troubleshooting ISDN, see
Troubleshooting your Enterprise Edge system

ISDN Bearer capability

Bearer capability describes the transmission standard used by theBRI or PRI line
so that it can work within a larger ISDN hardware and software network.
The bearer capability for BRI and PRI is voice/speech, 3.1 kHz audio, and data
(unrestricted 64 kbps, restricted 64 kbps, or 56 kbps).

Services and features for ISDN BRI and PRI

As part of an ISDN digital network, your system supports enhanced capabilities and
features, including:
• faster call set up and tear down
• high quality voice transmission
• dial-up Internet and local area network (LAN) access
• video transmission
• network name display
• name and number blocking (PRI, BRI and analog)
• access to public protocols

PRI services and features

• Call-by-call service selection (NI protocol)
• coordinated dialing plan (SL1 protocol)
• Emergency 911 dialing, internal extension number transmission
• access to Meridian 1 private networking (SL-1 protocol)

BRI services and features

• data transmission at speeds up to 128 kbps per loop (depending on the
bandwidth supported by your service provider)
• shared digital lines for voice and data ISDN terminal equipment
P0911588 Issue 01
Appendix B: ISDN Overview 373
on page 305.
Enterprise Edge 2.0 Programming Operations Guide