low cost of voip phones/sip phone/ATA

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Support Protocol Voip Phone PH217 Support IAX2 protocol Support G.168 echo cancellation standard, compliant 96ms echo cancellation with speaker mode PH217 Support voice volume adjustment, including IN/OUT of handset and speaker Voip Phone PH217 Support Jitter Buffer, VAD, CNG, SIP, Domain name register, point-to-point Call Support RTP and RTCP PH217 Support the Inbound/Outbound transmission; SIP info, DTMF Relay, RFC2833 Voip Phone PH217 Support many countries' standard ring Voip Phone PH217 Support NAT: Support STUN, CITRON, AVS Mode PH217 Support SIP domain, SIP Authentication (none, basic, MD5), Domain Name parse Voip Phone PH217 Support two SIP server synchronously, including Pubic Server/ Private server, can make a call by any proxy. You can back-up and select any above SIP server. PH217 Support SIP application, including SIP Call forward/transfer/holding/conference/pickup/redial/unredial/join call Network Features: Voip Phone PH217 Support PPPoE for xDSL, and support auto redial when disconnect PH217 Support DHCP Client for WAN PH217 Support DHCP server for LAN Support DNS relay for LAN and provide DNS service for LAN Network equipment Voip Phone PH217 Support DNS domain name resolution in WAN port Support router and switch function in LAN port PH217 Support SNTP Client to get time from internet Voip Phone PH217 Support advanced DSP tech to ensure high quality voice Voip Phone PH217 Support advanced jitter buffer tech to prevent the info package delaying and losing PH217 Support network tool: ping, trace route, telnet client Support three modes to configure WAN port IP, they are: static, DHCP, and PPPoE Support NAPT Voip Phone PH217 Provide firewall for small LAN Provide optional priority level for small LAN PH217 Support second layer QoS (802.1p) PH217 Support VLAN PH217 Support VPN (L2TP) Special and Advanced Function: Caller ID display, ban calling out, avoid-disturb setting, auto-answering, auto dial while picking up the telephone, quick dial Call waiting, call transfer, three ways call, and multi-dial forward Setting the black list and limit numbers Support point to point call Setting the ended number methods Setting the ended number add, delete and substitution Setting the fixed calling ways Support phone number with name and number Support Silence Suppression, VAD (Voice Activity Detection) Support CNG (Comfort Noise Generation) Support Echo Suppression and AGC (Automatic Gain Control) Support DIGEST validate and MD5/MD5-sess encapsulation Support remote auto configuration and edition auto-upgrade Management and maintainence Support safe mode and update via safe mode Support configuration via web, keypad, http, telnet; support the user IP address filtering limits Support update software and configuration files through HTTP, FTP, TFTP Support syslog Support set up a number of authorities and user name, password; support reverse Telnet through NAT / firewall machine for remote management Wuchuan Net Tech CO., LTD TEL:86 27 5890 8111-608 QQ:805541598 Email/MSN:tinanie(at)5111soft(dot)cmm(dot)hk Skype:tinanie2

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Wuchuan Network Technology

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