Tiger Netcom or OEM Non-Brand

Detailed Product Description
-Built-in-Modem function
-Choose between PSTN call and VoIPcall
-Following RFC-3261SIP standard
-Passing through NAT devices
-Remote software upgrade capability(viaftp)
-Advanced Digital Signal Processing(DSP)technology to ensure superior audio quality
-Support Low Bit Rate codecs
-Support Silence Suppression, VAD(VoiceActivity Detection), CNG(ComfortNoise Generation)
-Ping function supported
-System status display on the LCD panel
-Call with or without gatekeeper(directIP dialing)
-Provide easy configuration methods
-Support RFC-3261 TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP, DNS,
-DHCP, NTP/SNTP, FTP, PPPoE protocols.
-Interoperable with most of the existing SIP VOIP devices(IP-phonegateway, proxy server)
-The LAN/WAN Port works for paralleled Ethernet cable and crossed Ethernet cable.
-Auto Provision.
-DTMF Relay: RFC2833, Inban