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Home » Offer Board » Electrical & Electronics » Telecommunication & Broadcasting » Network Communication Device » VoIP Gateway

VoIP Gateway

Offer Type: Sell
Offer Post Time: Jun 01, 2012
Expiration Date: Sep 16, 2012
Details: VoIP Gateway

Supports SIP2.0 (RFC3261), TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, DHCP, NTP, STUN, and TFTP etc;
Use the DSP CNOS chip to keep a wonderful audio-quality, Jitter control and packet loss concealment technology;
Supports kinds of voice codes, including G. 711 (a-law and u-law) G. 723.1 (5.3K/6.3K) G. 726 (40K/32K/24K/16K), G. 729A/B, and iLBC;
Supports incoming call on show, restricting, and holding, disconnection, call transfer, call divert, DTMF, dialing plan, etc;
Supports conference call;

Supports NAT auto- penetrating, no need to modify the setting of the NAT;
Supports passing through and T38 fax, voice restrain and jerquers, CNG, echo restrains (G. 168), AGC;
Supports remote upgrade and upgrade configuration function;
Supports layer 2(802.1Q VLAN, 802.1p) and layer 3 (QoS, DiffServ, ToS);

Supports SIP encrypts mode, avoid force-out;
Supports upgrading encrypts configuration files by HTTP;
Supports configuration files by inside IVR equipment, Web browser, HTTP Center Server;
Supports the volume adjustment of gateway.

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