VoiceFinder AP2120 VoIP Gateway User’s Guide Version 1.00
AddPac Technology Co., Ltd. -
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5.3.4.2. Rerouting to the PSTN
With the hunt group explained before, PSTN rerouting through the FXO voice
port can be made when connection with the VoIP network fails. The following
figure shows PSTN rerouting.
[Figure 5-3 PSTN Rerouting]
To make PSTN rerouting as shown in the above figure, set the dial peer as
follows:
dial-peer voice 101 voip
destination-pattern 472....
session target 192.168.100.1
preference 0
!
dial-peer voice 102 pots
destination-pattern 472....
prefix 472
port 1/0
preference 1
In the above example, VoIP peer 101 and POTS peer 102 exist in the same hunt
group. Since the preference of the VoIP peer is low, the VoIP peer is selected
first and used to attempt a call. However, if the VoIP peer fails, a call is
attempted through the POTS peer 102.
IP Cloud
Source
Destination
PBX
Voice Port
(FXO)
PSTN
연결 실패
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