2 Port FXS Gateway| Analog Telephone Adapter |SIP ATA
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Grandstream GXW4104 Analog IP Gateway
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Grandstream GXW4108 8-port FXO Gateway
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GRANDSTREAM GXW4108 8 PORT FXO IP ANALOG GATEWAY
Grandstream GXW4104 FXO Gateway
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Amazon.com: Eboxer VOIP Gateway 2 Ports SIP V2 Protocol Internet Phone Adapter with Network Cable for PAP2T (US Plug) : Office Products
Patton SmartNode 4112 FXO VoIP Gateway - IP Phone Warehouse
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NEWROCK HX420G-2 PORT FXO Gateway with SIP supporting
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What are FXS and FXO ports and what is the difference? | Yeastar
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Grandstream Fxo Gateway, 8 Fxo Ports, 2 10/100Mbps Ports
