Voice Feature

u Support SIP 2.0 and correlative RFCs, IAX2 (optional)

u SIP supports 2 SIP servers, public and private server. Can connect to public SIP server and private SIP server at the same time

u Codec: G.711A/u, G.729, G.729a/b, G.726-32k

u Echo cancellation: G.168 Compliance in LEC

u Support Voice Gain Setting, VAD, CNG

u NAT transverse: support STUN client

u SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/IP call

u Support choose line automatically, using private server to dial automatically when public server disconnected

u DTMF Relay: support inband, SIP info, RFC2833

u SIP application: support call forward/ transfer/ holding/ waiting/ conference

u Call control features: flexible dial map, hotline, empty calling No. reject service, black list for reject authenticated call, limit call, no disturb, caller ID

u Support voice record on SIP server

u Answer or make PSTN call when power is up

u Lifeline support: switch to PSTN call automatically when internet failed or power is off

u Support T.38

 

Network Features

u WAN/LAN: support bridge and router model

u Support PPPoE for xDSL and auto reconnect after disconnected by server

u Support basic NAT and NAPT

u Support DHCP client on WAN, DHCP server on LAN

u Support UPnP

u Support IGMP Proxy/IGMP Snooping

u Support ping test with keypad-command

u Support main DNS and secondary DNS server

u Support DNS Relay/ PPPoE Relay

u Support NTP Client

u Support Firewall/ Stateful Packet Inspection(SPI)

u Support Webs URL Filter/Content Filter

u Support MAC/IP/Port Filter

u Support VPN (L2TP/PPTP)

u Support VLAN(802.1Q/P) and VLAN Switch mode

u QoS with DiffServ(Optional)

u Support Virtual Serve

 

Maintenance and Management

u Web management

u Management with different account right

u Upgrade firmware through POST mode

u Upgrade firmware through HTTP, FTP or TFTP

u Safe mode provide reliability

u Support Auto Provisioning(upgrade firmware and configuration file)

u Support Syslog

 

Hardware Specification