Installation guide
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The Open Ports setup in Vigor 2600V also must be changed to 5061.
Figure 3-38. Open port setup
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In this chapter, we offer the application shows that it is convenient and cost saving to
implement the free IP-PBX using Asterisk and Vigor 3300V when users want to use the
Soft Phone or IP Phone instead of traditional telephone in the company.
Figure 3-40. The scenario
In the figure using FXO port of Vigor 3300V to connect to PSTN. So, users do not need
the other equipment to as the IP-PBX. The way that we work normally with the FXO of
Vigor 3300V is that we could make a call from extension of IP-PBX which is the
telephones connected with FXS of Vigor 3300V, Soft Phone or IP Phone to PSTN
Network. We also could make a call from PSTN to the IP-PBX, there are four PSTN line
(the maximum is 8), then forwarding the call to any extension of IP-PBX, or make a call
from extensions to remote peer user through VPN in the Internet, or reverse direction call.