1 or 2 Ports VoIP GSM Gateway / VoIP CDMA Gateway/VoIP UMTS GatewayMV-370 -372 is a 1 Port VoIP GSM/CDMA/UMTS Gateway for call termination (VoIP to GSM/CDMA/UMTS ) and origination (GSM/CDMA/UMTS to VoIP). Support Asterisk,Trixbox,3CX,SIP Proxy Server,VoipBuster. Major Function VoIP(SIP),GSM conversion.(MV-370) VoIP(SIP),CDMA conversion.(MV-370C) - CDMA 2000(800/1900MHz) VoIP(SIP),UMTS conversion.(MV-370U) for all world and Japan (SoftBank Mobile,Docomo) MV-370U: mobile to lan 2 stage dialing-free mode. When calling party call MV-370U sim card,the calling party will hear dial tone and enter any destination number. **How to differentiate mobile to lan-2 stage dialing is available?** UMTS Mobile call UMTS Mobile: when the called party answer, the calling party press any DTMF. If the called party hear DTMF Voice,this feature is available;contrariwise** 50 sets of LAN --> MOBILE routes setting,50 sets of MOBILE --> LAN routes setting. -Support one stage diaing *When lan phone and MV-370 both register SIP proxy Server or Asterisk or VoipBuster,you can dial any destination number from lan phone directly. *Please note,SIP proxy Server,Asterisk need to have the route of destination number. VoipBuster need to…