VoIP ATA (K-3288W)

Model: K-3288W Description:
1. 3 SIP PROXY and accounts registered at the same time for each FXS port (total 6 user names, one SIP PROXY offline, other one can replace it timely).
2. Built-in Router.
3. With reverse-polarity signal, billing function supported.
4. Support SIP 2. 0 (RFC3261), TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, DHCP (both client and server), NTP, PPPoE, STUN, TFTP.
5. Powerful digital signal processing (DSP) to ensure superb audio quality.
6. Advanced adaptive jitter control and packet loss concealment technology.
7. Support various vocoders including G. 711 (a-law and u-law), G. 723. 1 (5. 3K/6. 3K), G. 726, G. 729A/B and iLBC.
8. Support Caller ID/Name display or block, Hold, Call Waiting, Flash, Call Transfer (blind/consultative).
9. Call forward, in-band DTMF, Dial Plans.
10. Support call waiting caller ID.
11. Support fax pass through and T. 38 (pending).
12. Support silence suppression, VAD (Voice Activity Detection), CNG (Comfort Nois Generation).
13. Line echo cancellation (G. 168), and AGC (Automatic Gain Control).
14. Support standard encryption and authrntication (DIGEST using Md5 andMD5-sess).
15. Support for Layer 2 (802. 1q VLAN, 82. 1P) and Layer 3 QoS (Tos, Diffserv, MPLS).
16. Support automated NAT traversal without manual manipulaton of firewall/NAT.
17. Support device configuration via built-in IVR, web browser or downloading encrypted configuration file through TFTP or HTTP.
18. Support firmware upgrade via TFTP or HTTP.
19. Ultra compact (wallet size) and lightweight design, great companion for travelers.
20. Desk/Wall mounts. Interface:
WAN: 1 pcs, connect to XDSL/Cable Modem or Network Switch or Router
LAN: 1 pcs, connect to PC or other network equipment
FXS: 2 pcs, connect to Normal phone, DECT/Cordless phone, Electrograph, Switch etc
PWR: 1 pcs, connect to Power adapter: 12V DC-1A
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we are one professional manufacturer of usb phone/adapter and broadband voip phonea/ata products, since established in china since 2002, our products have exported to europe, america, south-east asia, africa market. based on up-to-date voip solutions technology, strict production qc system of iso 9001: 2000 and advanced smt and testers on the production line, all products have been approved by ce/fcc organization, high quality product and on-time delivery will be assured. contact us now and...more>>