Description
Portech MV-374G 3G VoIP GSM Gateway 4-ports MV-374 – 4 Channels VoIP GSM/CDMA/UMTS Gateway – MV-374 is a 4 channels VoIP GSM/CDMA/UMTS Gateway for call termination (VoIP to GSM/CDMA/UMTS ) and origination ( GSM/CDMA/UMTS to VoIP). SIP based and compatible with Asterisk, Trixbox, 3CX, SIP Proxy Server, VoipBuster. Make 4 calls simultaneously from IP phones to GSM/CDMA/UMTS networks and GSM/CDMA/UMTS networks to IP phone. MV-374G 3G
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
3G Frequency:
U Version:2G 850,900,1800,1900MHz,3G 850,2100 MHz
A Version:2G 850,900,1800,1900MHz,3G 850,1900 MHz
G Version:2G 850,900,1800,1900MHz,3G 800/850/900/1900/2100HMZ




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