WSS2110 VoIP SIP ATA  Adapter with 2 FXS phone  ports, and WAN + LAN Router/Bridge, support VPN client, Compatibles with the popular IPPBX and Softswitch like VoIPSwitch, Asterisk, SER

Specification 

 Maintenance and Management

• Web management
• Management with different account right
• Upgrade firmware through POST mode
• Upgrade firmware through HTTP, FTP or TFTP
• Auto Provisioning
• Safe mode provide reliability
• Support Auto Provisioning(upgrade firmware and configuration file)
• Support S og

Voice Features

• Support SIP 2.0 and correlative RFCs
• Support IAX2(optional)
• SIP supports 2 SIP servers, pubic and private server. Can connect to public SIP server and private SIP server at the same time
• Codec  G.711A/u, G.729,G.729a/b, G.726-32k
• Echo cancellation: G.168 Compliance in LEC
• Support Voice Gain Setting, VAD, CNG
• NAT transverse: support STUN client
• SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/IP call
• Support choose line automatically, using private server to dial automatically when public server disconnected
• DTMF Relay  support in-band, SIP info, RFC2833
• SIP application  support call forward/ transfer/ holding/ waiting/ conference
• Call control features: flexible dial map, hotline, empty calling No. reject service, black list for reject authenticated call, limit call, no disturb, caller ID
• Support T.38                                

Network Features

• WAN/LAN  support bridge and router model
• Support PPPoE for xDSL and auto reconnect after disconnected by server
• Support basic NAT and NAPT
• Support DHCP client on WAN
• Support DHCP server on LAN
• Support UPnP
• Support IGMP Proxy/IGMP Snooping
• Support ping test with keypad-command
• Support main DNS and secondary DNS server
• Support DNS Relay/ PPPoE Relay
• Support NTP Client
• Support Firewall/ Stateful Packet Inspection(SPI)
• Support Webs URL Filter/Content Filter
• Support MAC/IP/Port Filter
• Support VPN (L2TP/PPTP)
• Support open VPN(Optional)
• Support VLAN(802.1Q/P) and VLAN Switch mode
• QoS with DiffServ(Optional)

VoIP ATA Series