Network FeaturesSIM card slot: 32 GSM channelsEthernet Interface: 1 LAN*10/100M base-TxRJ45Manage Interface: 1 Console RFC2833Static IP,PPPoE, DHCPNetwork Protocol Support:IP,TCP, UDP,TFTP, FTP, RTP, RTCP, ARP,RARP,ICMP Ping, NTP, SNTP, Http, DNSNAT traversal: Static NAT, STUNStatic/dynamic ARP requestUp to 32 routing
VLAN
SIP CharacteristicsBy port registrationBy device registration(share account)Support IP trunk and IP trunk groupTwo 183 modeResponse code switchAll ports busy, redirected to other devicePhysical propertiesPower: 220 VACPower consumption:80WTemperature(operation): 0 °C ~ 45 °C (storage): -20 °C ~80 °COperation Humidity: 10%-90%no condensationDimension(w/D/H):440*330*66mmWeight: 6.4kg