Amazon.com : VoIP Gateway, 2 Ports VoIP Gateway Internet Phone Adapter with Network Cable, Support SIP V2 Protocol, for PAP2T(US Plug) : Office Products
Amazon.com : VoIP Phone Adapter for Voice Over IP, VoIP Gateway with 2 Port Internet Phone Adapter RJ45 Network Interface SIP RJ 45 Cable for PAP2T, Support SIP V2 Protocol, DHCP(US) :