Channels - Nortel Communication Server 1000 Manual

Figure 3 "A typical DASS2 system configuration" (page 19)
typical DASS2 system configuration with a Q.931-to-DASS2 gateway, a
DPNSS1-to-DASS2 gateway, and the major public exchange types to which
DASS2 connectivity is supported.
Figure 3
A typical DASS2 system configuration

Channels

Within the DASS2 intelligent networking environment, a channel is a circuit
that carries information between two PBXs via digital links. There are two
types of channels — Bearer channels (B-channels) and Data channels
(D-channels). The Bearer Channel (B-channel) is a digital trunk route
Copyright © 2007, Nortel Networks
.
Nortel Communication Server 1000
DASS2 Fundamentals
NN43001-571 02.01 Standard
Release 5.5 7 December 2007
Channels 19
shows a