
APOS Quick Operation Guide Voice over IP
AddPac Technology Proprietary & Documentation 130 - 110
Fig. 6-7 VoIP gateway polarity inverse feature on FXO port
At the above example, PBX requires polarity inversion signal from
trunk line to start billing and the inversion signal is sent from the head
office. The signal is generated when the called party VoIP gateway
receives connect message.
APOS command script
!
hostname HO
!
interface ether0.0
ip address 192.168.1.1 255.255.255.0
!
!
voice-port 0/0
! FXO
polarity-inverse
!
dial-peer voice 0 pots
destination-pattern 5683847
port 0/0
!
dial-peer voice 1000 voip
destination-pattern 5683848
session target 193.158.1.2
dtmf-relay h245-alphanumeric
!
voip-interface ether0.0
!
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