Key Facts:

With 1SIM, 1LAN, SMS for GSM-VoIP connection, GSM termination & origination, SMS sending & receiving, Quad band 900 1800 850 1900MHz; SIP Asterisk compatible;
CDMA VoIP: SC-375cdma

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,

Multi band: 850/1800/1900MHz

SC-375: GSM VoIP Terminal

SC-375C (CDMA) CDMA Terminal: 800MHz

SC-375sms: SMS sending & receiving