For GSM - VoIP connection, Quad band 900 1800 850 1900MHz; SIP protocol, Asterisk, VoIPBuster compatible, support NAT & Auto Hunting; CDMA VoIP Terminal: SC-495cdma - Update: 2012-10-18

SC-4304-3GP is a perfect high-speed wireless-N router for home or SOHO use, for quick and cost-effective replacement of XDSL/ Cable line. Main Features: - Update: 2012-10-18

VoIP Gateway SC-16 8FXS+8FXO 16FXS/16FXO SIP+H.323 Polarity Reversal Detection NAT Traversal - Update: 2012-10-18

SC-24 24FXO, 24FXS, 12FXO+12FXS VoIP Gateway (24FXO support Caller ID) SC-24 24FXO, 24FXS, 12FXO+12FXS VoIP Gateway is fully SIP & H.323 standard compliant high density VoIP Gateway that provides a total solution for integrating voice-data ne... - Update: 2012-10-18

SOFTWARE FEATURES Support SIP 2.0(RFC3261) and correlative RFCs Support 2 SIP lines Support IAX2 ?SC-6222-A can't support IAX2 ) Codec:G.711 A/U Law,G.729A/B,G.726 SIP applications: support Call forward/transfer/holding/ waiting/3 way confer... - Update: 2012-10-18

SOFTWARE FEATURES Support SIP 2.0(RFC3261) and correlative RFCs Support 2 SIP lines SC-6222-A can't support IAX2 Codec:G.711 A/U Law,G.729A/B,G.726 SIP applications: support Call forward/transfer/holding/ waiting/3 way conference Support T.... - Update: 2012-10-18