1 Port VoIP GSM Gateway / VoIP UMTS Gateway /4G LTE Gateway MV-370 is a 1 Port VoIP GSM/UMTS/LTE Gateway for call termination (VoIP to GSM/UMTS/LTE ) and origination (GSM/UMTS/LTE to VoIP). Support Asterisk,Trixbox,SIP Proxy Server... Connect with PORTech GSM Gateway via internet SIM cards no longer need to be installed in GSM Gateway anymore You can deploy your GSM Gateway in different locations. Centralize and supervise all SIMs in one place. Major Function VoIP(SIP),UMTS/LTE conversion.(MV-370) for all world 50 sets of LAN --&gt MOBILE routes setting,50 sets of MOBILE --&gt LAN routes setting. -Support one stage diaing -Support assigned mode and free mode-two stage dialing Voice response for setting and status(dial in from mobile). For call termination (VoIP to GSM/UMTS/LTE) and origination (GSM/UMTS/LTE to VoIP). Standard SIP(RFC2543,RFC3261) protocol,Communicates with other gateway or PC Receive SMS and Send SMS Allows your program Send/receive SMS with AT Command Call Back feature All functions can be set on web. Provide CDR Specification Protocols:SIP (RFC2543,RFC3261) TCP/IP:IP/TCP/UDP/RTP/RTCP/CMP/ARP/RARP/SNTP/DHCP/DNS Client,IEEE802.1P/Q,ToS/DiffServ,NAT Traversal,STUN,uPnP,IP Assignment,Static IP,DHCP,PPPoE Codec:G.711 u-Law,G.711 a-Law,G.729A,G.729A/B Voice Quality,VAD,CNG,AEC,LEC,Packet loss 4G LTE version (Global) LTE FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28 LTE TDD: B38/B39/B40/B41 WCDMA: B1/B2/B4/B5/B6/B8/B19 GSM: B2/B3/B5/B8 Application