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Amazon.com : VoIP Gateway, Portable 2 Ports Adapter Internet Phone Gateway SIP RJ45 Cable Support SIP V2 Protocol for PAP2T(US Plug) : Office Products
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GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black, Supports 2 SIP profiles through 2 FXS ports and a single 10/100Mbps port By Grandstream - Walmart.com
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