Matrix ComSec 3G 4 Port GSM-VoIP Gateway

The Matrix ComSec 3G 4 Port GSM-VoIP Gateway is a device that allows you to connect your IP phone system to the cellular network and make low-cost long distance calls. Key Features Gateway with 8 VoIP Channels, 4 3G SIMs, 2 FXO, and 2 GXS Ports Fits into existing data infrastructure and allows low-cost long distance calling through SIP trunking Multiple SIP proxy registrations Restrict unwanted calls with list of denied numbers Direct number dialing on cellular networks with automatic number translation Caller ID presentation/restriction Fax over IP (T.38 and PSTN Pass-Through) Emergency number dialing SNMP monitoring Port forwarding and DMZ Web-based configuration and management Up to 9 SIP accounts Voice Codecs: (A/µ Law), G.723.1, G.729AB, GSM-FR and iLBC