Key Facts:

For 2 GSM - VoIP connection; Quad band 900/1800/850/1900MHz; SIP protocol, Asterisk, sms.

Major Function:

VoIP (SIP),GSM conversion. (SC-385)

50 sets of LAN -> MOBILE routes setting,

50 sets of 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.711 a-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 (SC-385): Quad band 900/1800/850/1900MHz