Aastra Ascotel IntelliGate 2025 - 4.5.6.4 Application of Direct Dialling Out (DDO)

Ascotel IntelliGate 2025/2045/2065
Part 3 Planning a PBX 609
Digital down-circuit connection with QSIG
On systems with digital lines, common features as per QSIG can be used, provided
the up-circuit system supports the QSIG protocol (see also "Digital down-circuit
connection of a PBX with QSIG", page 608). This means the corresponding func-
tions of the up-circuit PBX are also available from the cordless system.
Fig. 3.10: Digital down-circuit connection with QSIG
The number of possible handsets with Ascotel DECT depends on the system limit.
4.5.6.4 Application of Direct Dialling Out (DDO)
If a fax server is connected to an S bus, individual fax receivers allocated a DDI
number can be specifically addressed. In terms of routing technology, this corre-
sponding to a DDO (Direct Dialling Out) function.
The fax server forwards the incoming faxes via e-mail to the relevant PC stations
that are set up as fax receivers.
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