Analog VoIP Gateways can be described as tiny standalone devices that allow you to convert audio media to FXO or FXS connections and VoIP connections.
They're the most economical option for companies with an old phone system that won't join a VoIP-based network, like the SIP trunk. They also work well for companies with an IP-based phone System and have to connect older technology to an IP network, for example, analog phones, traditional fax machines, and the PSTN to provide emergency fallback.
All
you have to do is put the VoIP Gateway
near the end of your network. Plug into your Internet connection to enable VoIP
connectivity, as well as the analog cables that you have from phones or other
equipment, and the gateway will take care of everything necessary to allow
voice media to function and including the case of fax.
There are two different types of Analog Gateways:
FXS Gateways are analog
gateways equipped with FXS ports to help connect analog and legacy phone
systems to IP networks.
FXO Gateways are
gateways for analog devices that are equipped with FXO ports that allow you to
connect your analog phone lines to your IP-based telephone system or aid in
connecting your existing phone system to VoIP networks or SIP trunk.
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