ZyXEL Communications ISG50 User Manual
Chapter 8 PBX Tutorials
ISG50 User’s Guide
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2
Select the LocalCall entry’s Association checkbox. Click OK.
3
You can now use the telephones that are part of the FXOTrunk authority group to make outbound
calls using the PSTN connection. The following figure summarizes the outbound call process for this
example.
calls using the PSTN connection. The following figure summarizes the outbound call process for this
example.
8.4 Making ITSP Calls
The following section shows you how to make and receive calls via a connection to the ITSP. This
example covers:
example covers:
•
to the ITSP.
•
- creating a rule which the tells the ISG50 when to use the ITSP
connection when completing outbound calls.
FXO
PSTN
5555555
1001
Caller dials
05555555
05555555
The ISG50
matches this number
with the LocalCall
LCR, applies the
offset (strips off the 0)
and routes the call to
PSTN.
matches this number
with the LocalCall
LCR, applies the
offset (strips off the 0)
and routes the call to
PSTN.
sends the call
to 5555555.
to 5555555.
The ISG50
ISG