GSM VoIP Gateway SC-375 with 1SIM, 1LAN; Dual Band, Tri Band; Quad Band(SC-375)

Key Facts
SIP, Asterisk compatible; For GSM termination (VoIP to GSM) and GSM origination (GSM to VoIP); FCC, CE, RoHS
Packing Detail

Major Function:
VOIP (SIP) - GSM conversion
50 sets of LAN--> GSM MOBILE routes setting
50 sets of GSM MOBILE-->LAN routes setting.
Voice response for setting and status (dial in from mobile).
For call termination (VOIP to GSM) and origination (GSM to VOIP).
Standard SIP (RFC2543, RFC3261) protocol, communicates with other gateway or PC.
All functions can be set on web.
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.711a-Law,G.723.1(5.3k)G.723.1(6.3k),G.729A,G.729A/B
Voice Quality,VAD,CNG,AEC,LEC,Packet loss
GSM Frequency:
Dual band: EGSM 900/DCS 1800 MHZ,Speech Service with EFR (Enhance Full Rate)/FR (Full Rate)/HR(Half Rate) Codec.
Tri band: 900/1800/1900MHz,
Quad band 900/1800/850/1900MHz