VoIP Phone Adapter (1FXS and 1PSTN)

Terminal device with Standard SIP 2.0 protocol, highly commonality and fit to global extension.
Supports SIP 2.0, TCP/UDP/IP, RTP/RTCP, ICMP, ARP/RARP, NTP, PPPoE, TFTP, , etc.
Supports G. 711 (alaw and u-law), G. 723.1 (5.3K/6.3K), G. 726 (40K/32K/24K/16K), G. 728, G. 729A/B and iLBC...

The powerful DSP digital audio processor to keep a wonderful audio-quality
Inside DNS, router, NAT, DMZ, the gateway and DHCP (the client end and the server end)
Control the audio flutter and concealment technology anti-lost message.
Supports standard voice features such as Call keeping, Call Waiting, Hold, Transfer Forward, FLASH; Supports three way call
Supports VAD, CNG, AGC, the echo cancellation (G. 168) and Silence suppression.
Supports layer 2 (802.1Q VLAN, 802.1p) and layer 3 QoS (ToS, iffServ, MPLS)
Powerful remote management by TFTP or mode.

To dispose through the browser or the voice hint.
Supports auto-crossing firewall (NAT)
Supports passing through and T. 38 fax mode.
Environmental designing, conform to the international electromagnetism radicalizations standard
Quality material, original circuit design, and no electric current noise, work steadily.

Artistic Human-based appearance designing, let you feel the strong affinity for the product besides convenience for carrying.