3G module OpenVox VS-GWM420W for 4 ports

3G module OpenVox VS-GWM420W - expansion module that allows to increase 4 3G-GSM channels (4 SIM cards) to OpenVox VS-GW1600V2 and OpenVox VS-GW2120V2 gateways.

OpenVox VS-GWM420W is an expansion module that allows you to add four GSM/3G channels on four SIM cards to the VoxStack VS-GW1600v2 and VS-GW2120v2 series gateways. Supports the next-generation 3G/UMTS network. Works in the frequency ranges of 900 / 2100 MHz - 3G / UMTS and 900/1800 MHz - GSM
Supports the new generation network 3G/UMTS. Works in the frequency ranges 900/2100MHz – 3G/UMTS and 900/1800 MHz – GSM.

 SIP support, IAX2 protocol Add, edit and delete SIP/IAX2 trunk SIP/IAX2 registration with domain SIP V2.0 RFC3261 Compliance DTMF Mode: RFC2833/Inband/SIP Info Multiple SIP/IAX2 registration modes Abundant codecs: G.711A, G.711U, G.729, G.722, G.723, G.726, GSM net IPv4, UDP/TCP, DHCP, TELNET, HTTP/HTTPS, TFTP PPTP VPN HTTP/SSH (Optcal Telnet) Ping & Traceroute Command on the Internet Simple Security Strategy: Whitelist, Blacklist, Security Rules control Simple and convenient setup via web interface Maintenance and configuration support via SSH Support for backup and download configuration files Support Chinese and English page Firmware update via HTTP Support Web and SSH login password Restore factory settings CDR (over 200,000 lines of CDR storage locally) System log SIP/IAX2 Log TCP and SIP capture Features of the system Combine different SIP/IAX2 trunks into a group CLID Display & Hide (requires operator support) Random Call Interval Call duration limit Limiting the duration of one call Real open API protocol (based on Asterisk) DISA support SMSC/SMS/USSD PIN code Optional voice codec Port Group Management SMS Bulk Transceiver, sent to email and automatically sent SMS coding / automatic identification SMS Remote Control Gateway SMS forwarding and quick response USSD transceiver Outgoing Automatic reboot MMP support Support for custom scripts, dialplans Openvox Support 

 Key features of the VS-GWM420W module:
 4 channels GSM/3G4 slots for SIM cardsFrequency range: 3G / UMTS 850/900/1900/2100 MHzPower supply: 1U ATX power souce, 12V/12ASize: 20cm × 13cm × 2.1cmWeight: 170g