iPECS eMG80/100& eMG800 & UCP & vUCP
Administration and Programming Manual Issue 2.5
237
4.4.7 ISDN Line Data
The following figure shows that selecting the ISDN Line Data program group returns the sub-menu displayed
in the left frame.
Figure 4.4.7-1 ISDN Line Data
Each ISDN (Integrated Services Digital Network) Line provides digital services to the end-user. The Basic
Rate Lines have three (3) channels, 2 B channels, and a D channel.
The 2 B channel provides 64 Kbps each, a total of 128 Kbps for “Bearer” or voice channels. The D channel
provides a 16 Kbps signaling channel. Primary Rate Lines have 23/30 64 Kbps ‘B’ channels and 1/2 64 Kbps
signaling channels. For proper operation, entries are required for various attributes and Tables to match the
ISDN circuit and services.
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