Trait Technology (Shenzhen) Co., Limited

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VOIP Gateway

Payment Terms:	T/T Western Union MoneyGram

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Basic Info.

Supply Capacity

Support two models: Bridge and Router(NAT&NAPT).
Network Protocols: TCP/UDP/IP, ICMP, HTTP, DHCP Client (WAN Interface), DHCPServer(LAN Interface), DNS Client, DNS Relay, SNTP, PPPoE, FTP, TFTP.
VoIP Protocols: SIP (RFC3261, RFC3262, RFC3264, RFC3265)
Voice Codecs: G.711(A-law/U-law), G.723.1, G.729A/B,
NAT penetration: Support STUN client,
Support modify SIP register port, HTTP server port, Telnet server port andRTP port.
Support two SIP server synchronously: Can register two different SIP server,and can make a call by either proxy.
Support standard voice features such as numeric Caller ID Display,CDo-Not-disturb, Forward, ban outgoing.
Support standard encryption and authentication
Support Silence Suppression, VAD (Voice Activity Detection), CNG (ComfortNoise Generation), Line Echo Cancellation (G.168), and AGC (Automatic GainControl).
Provide easy configuration thru manual operation (Web interface and Telnet)or automated centralized configuration file via TFTP or HTTP.
Support firmware upgrade via TFTP/FTP and HTTP.
Support syslog, can send event of gateway to syslog server.
Support reverse polarity
Support T.38 Fax