10 / 100Base-T RJ-45 GSM VOIP FXS Gateway ATA 1 Port SIP H.323 10% - 65% Relative Humidity

Model: OFS-VPA1

Voice Feature

Support SIP 2.0 and correlative RFCs

Support IAX2 (optional)

SIP supports 2 SIP servers, public 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

AT 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 inband, 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 voice record on SIP server

Answer or make PSTN call when power is up

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

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 UPnP

Support DHCP client on WAN and DHCP server on LAN

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 VLAN(802.1Q/P) and VLAN Switch mode

QoS with DiffServ(Optional)

Support Virtual Server

Hardware Specification