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Chapter 3 Tutorials
X6004 User’s Guide
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Figure 37 Outbound Calls via PSTN
3.3 Making ITSP Calls
The following section shows you how to make and receive calls via a connection to the PSTN.
This example covers:
• Connecting to ITSP - configuring the outbound line group (connection settings) from the
X6004 to the ITSP.
• Dialing Rule for ITSP - creating a rule which the tells the X6004 when to use the ITSP
connection when completing outbound calls.
• LCR to Authority Group Assignment - giving extensions the right to make outbound
calls via the ITSP connection.
Figure 38 Making ITSP Calls
3.3.1 Connecting to ITSP
The following section introduces how to configure a connection to the ITSP. This example
assumes that the X6004 has a network connection to the SIP server at your ITSP. The
following figure shows the network configuration used in this example.
FXO
PSTN
5555555
1001
Caller dials
05555555
The X6004
matches this number
with the local_call
LCR, applies the
offset (strips off the 0)
and routes the call to
PSTN.
sends the call
to 5555555.
The X6004
FXO
ITSP
212555555
1001
Caller dials
1212555555
The X6004 matches this number
with an LCR, applies an offset
(strips off the 1), add a dial plan
and routes the call to ITSP.
prefix 016 to the start of the number