Ascotel IntelliGate 2025/2045/2065
610 Planning a PBX Part 3
S
Fig. 3.11: Direct Dialling Out (DDO) to a fax server
Routing via trunk groups
Due to the configuration of the S interface as "EXTERNALS" and the use of the
DSS1 protocol, the fax calls can be routed via routes and trunk groups. This means
that all fax receivers that have been allocated a DDI number can be reached via a
single S interface.
See also:
"Call to a DSS1 Terminal equipment on the S Bus (DDO)", page 302
DDI S
75
76
77
S external
Fax receiver
with allocated
DDI numbers
Fax server
haz0772aaena0
ISDN
PBX
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