Vigor3300 Series User’s Guide
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Based on the VoIP Example 1(Basic Configuration and Registration), we will introduce
the practical application of FXO.
Generally the practical application of FXO falls into the following two sections:
z Connect to PSTN line
By connecting 3300V's FXO Port 5 to a PSTN line, VoIP is seamlessly integrated to PSTN
line and allows you to call not only the remote VoIP user, but also the remote PSTN user. Also
the PSTN user can call the VoIP user. Below shows a scenario architecture graph:
Configuration table between 3300V and 2900V
WAN IP Port Number Phone Number Proxy Codec
Port1(FXS) 888833 iptel G.729A
3300V 220.135.240.207
Port5(FXO) 888835 iptel G.729A
2900V 61.31.167.135 Port1(FXS) 888829 iptel G.729A
The number of the PSTN line connected into the FXO Port 5 on the 3300V is 12345678. The
number of another PSTN line is 87654321.
