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Prestige 2602HWL-D3A Support Notes
All contents copyright (c) 2007 ZyXEL Communications Corporation.
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Trunking: FXO to FXO
User X uses PSTN phone (203) to make a call to the Device B FXO (201), Device B connects to
a peer device A over Internet, and A forwards the call to User Y PSTN phone (103).
Application Scenario:
Device A is P2602HWL-D3A, WAN IP: 172.25.24.131, SIP 2 number: 22222, Life line phone
number 101.
Device B is P2602HWL-D3A, SIP1 number: 33333, Life line phone number 201.
Phone 1 number: 203, it is a PSTN phone.
Phone 2 number: 33333, it is an analog phone, which connects to P2602HWL-D3A phone 1 port.
Phone 3 number: 22222.
Phone 4 number: 103, it is a PTSN phone.
In this graph, Use X uses PSTN Phone (203) to dial B site P2602HWL-D3A FXO number 201,
after hears the “alter tone”, then dials A site PSTN number 103, and user Y PSTN phone (103)
will ring.