Features 

1) Easy to access to internet: The box provides 1*10/100M uplink. You can flexible connect to xDSL Modem, Cable Modem or xPON SFU. 

2) 4 downlink Ethernet interfaces: The device integrates 4 ports L2 switch. 

3) Integrated WiFi AP: It is convenient to connect with all kinds of popular WiFi CPE. It supports 64/128 bits WEP encryption, supports WPA, WPA2, TKIP as well. 

4) High performance forwarding ability: It integrates powerful network processor. There are 3 accelerators in the processor. It achieves nearly L2 wire speed forwarding capability, powerful throughput and load capacity. 

5) Integrated simple firewall, support domain filter and IP address filter. 

6) Support virtual server and DMZ host. 

7) Rich network protocol: TCP/IP, UDP, RTP/RTCP, ARP, FTP/TFTP, HTTP, Telnet, ICMP, NTP/SNTP, DHCP Server/Client etc. 

8) Powerful L2 switch function: VLAN bridging, port rate limiting, flow control, 4 IEEE802.1p QoS priorities, multicast (IGMP Snooping V1/V2), etc. 

9) Support ToS (Type Of Service) and QoS. 

10) USB function, support FTP server and FTP client 

11) Call protocol: SIP (IMS compatible), compliant with RFC2543 and RFC3261, seamless compatible with all popular call agent, including HUAWEI, ZTE, Alcatel-Lucent, etc. 

12) Integrate heartbeat function and support active/standby call agent. 

13) Voice coding: ITU-T G. 711/G. 723.1(5.3K/6.3Kbit/s)/G. 729, auto-negotiate with call agent. 

14) Echo cancellation exceeding ITU-T G. 165/G. 168-2002, up to 128ms tail length. 

15) Support high/low speed fax, bypass fax, and T38 fax. 

16) Support RFC2833 and redundant RFC2833, difference rings, MD5 authentication, CID, call forward, call waiting, hot-line call, alarm clock, and all kinds of value-added voice service. 

17) Multi-party conferencing. 

18) IP address assignment: Dynamic PPPoE/DHCP Client and static IP. 

19) Support TR069, WEB and CLI, configure easily. 

20) Upgrade firmware remotely or on line. 

21) Call loss is less than 0.01%.