iPECS eMG80 & eMG800 & UCP
Administration and Programming Manual Issue 1.6
431
4.4.7 ISDN Line Data
Selecting the ISDN Line Data program group returns the sub-menu displayed in the left frame as
shown in the following figure.
Figure 4.4.7-1 ISDN Line Data
Each ISDN (Integrated Services Digital Network) Line provides digital services to the end-user.
Basic Rate Lines have three (3) channels, 2 B channels and a D channel. The 2 B channels
provide 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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