General

• Ports- 4 FXS ports and 4 FXO ports
• Ethernet Ports- 2 * 10/100Mbps Ports
• Weight- 637g
• Dimensions- 19cm x 14.2cm x 3.5cm
• Power Supply-12V DC/2A
• Maximum Power Consumption- 12W
• Operation Temperature- 0°C ~ 50°C
• Operation Humidity Range- 10% ~ 90% NON-CONDENSING
• Storage Temperature Range- 20°C ~ 70°C
• Short/Long Haul Ring Load- 2 REN, up to 3km on 24AWG line

System Features

• NTP time synchronization and client time synchronization
• Support modify username and password for web login
• Update firmware online, backup/restore configuration file
• Abundant Log Info, Automatically Reboot, Call status display
• Language selection (Chinese/English)
• Open API interface (AMI), support for custom scripts, dialplans
• Support SSH remote operation and restore the factory settings

Telephony Features

• Support Volume adjustment, Gain adjustment, call transfer, call hold, call waiting, call forward, Caller ID display
• Three-way calling, Call transfer, Dial-up matching table
• Support T.38 fax relay and T.30 fax transparent, FSK and DTMF signaling
• Support Ring cadence and frequency setting, WMI (Message Waiting Indicator)
• Support Echo cancellation, Jitter buffer
• Support customizable DISA and other applications

SIP Features

• Support add, modify & delete SIP Accounts, batch add, modify & delete SIP Accounts
• Support multiple SIP registrations: Anonymous, Endpoint registers with this gateway, This gateway registers with the endpoint
• SIP accounts can be registered to multiple servers

Network

• Network type: Static IP, Dynamic
• Support DDNS, DNS, DHCP, DTMF relay, NAT
• Telnet, HTTP, HTTPS, SSH
• VPN clients: PPTP/OpenVPN/Zerotier/L2TP/N2N (Not available for Russia)
• Network Toolbox