ZyXEL Communications X6004 Manual Do Utilizador

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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:
 - configuring the outbound line group (connection settings) from the 
X6004 to the ITSP.
 - creating a rule which the tells the X6004 when to use the ITSP 
connection when completing outbound calls.
 - 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