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