Avaya Business Communications Manager 5.0 - Configuration - System Manual de usuario descargar pdf (Pagina 218)

218 Market profile attributes reference

Nortel Business Communications Manager 5.0

Configuration — System

NN40170-501 02.04 Standard

September 2009

Some of these trunk types are available only when you select specific market

profiles.

Table 29 Analog and digital trunk types and descriptions (Sheet 1 of 2)

Trunk Types Description

Digital Carrier

Types:

T1/E1 Digital line that carries data on 24 channels at 1.544 Mbps (North American); 30 channels at 2048

Mbps (Europe)

Loop, E&M, DID and ground start lines are also versions of T1 lines.

You can program autoanswer T1 loop start, T1 E&M trunks, T1 DID, T1 ground start trunks, PRI

and IP trunks to map to target lines to provide for attendant bypass (calling directly to a department

or individual) and line concentration (one trunk can map onto several target lines).

T1 Digital

Trunk Types:

DID This is a type of T1 trunk line used by an outside caller to dial directly into a line on the

BCM50.

Loop This is a type of T1 line. Use this type of line on systems where the service provider supports

disconnect supervision for the digital loop start trunks.

These trunks provide remote access to the Business Communications Manager from the public

network. This trunk must have disconnect supervision so you can set the trunk to autoanswer, which

provides the remote access portal.

Ground T1-groundstart trunk

These lines offer the same features as loop start trunks, but use these lines when the local service

provider does not support disconnect supervision for digital loop start trunks. Ground start trunks

work with T1 only. By configuring lines as ground start, the system recognizes when a call is

released at the far end.

E&M T1 and E&M. Use this type of trunk line to create simple network connections to other phone

systems.

This trunk always operates in a disconnected supervised mode.

PRI ISDN interface with 23 B channels and 1 D channel at 1.544 Mbps.

These lines give you incoming and outgoing access to an ISDN network and are autoanswer trunks.

E1 Digital

Trunk Types:

DASS2 (British) Trunk provides multiline IDA interconnection to the British Telecom network.

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Avaya Business Communications Manager 5.0 - Configuration - System Manual de usuario Pagina 218