Supply Sip phone

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Our Sip phone'S ProtocolSIP (RFC3261, RFC2543) Our Sip phone suports IAX2 protocol support codec: G.711A/u, G.722,G.723 high/low, G.729 A/B Our Sip phone supports G.168 echo cancellation standard, compliant 96ms echo cancellation with speaker mode Our Sip phone supports voice volume adjustment, including IN/OUT of handset and speaker Our Sip phone supports Jitter Buffer, VAD, CNG, SIP, Domain name register, point-to-point Call Support RTP and RTCP Our Sip phone supports the Inbound/Outbound transmission; SIP info, DTMF Relay, RFC2833 Our Sip phone supports many countries' standard ring support NAT: Support STUN, CITRON, AVS Mode Our Sip phone supports SIP domain, SIP Authentication (none, basic, MD5), Domain Name parse 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. Our Sip phone supports SIP application, including SIP Call forward/transfer/holding/conference/pickup/redial/unredial/joincall Network Features: Our Sip phone supports PPPoE for xDSL, and support auto redial when disconnect Support DHCP Client for WAN Our Sip phone supports DHCP server for LAN Our Sip phone supports DNS relay for LAN and provide DNS service for LAN Network equipment Support DNS domain name resolution in WAN port Our Sip phone supports router and switch function in LAN port Our Sip phone supports SNTP Client to get time from internet Support advanced DSP tech to ensure high quality voice Our Sip phone supports advanced jitter buffer tech to prevent the info package delaying and losing Our Sip phone supports network tool: ping, trace route, telnet client Our Sip phone supports three modes to configure WAN port IP, they are: static, DHCP, and PPPoE Our Sip phone supports NAPT Provide firewall for small LAN Provide optional priority level for small LAN Our Sip phone supports second layer QoS (802.1p) Our Sip phone supports VLAN Our Sip phone supports 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

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Wuchuan Network Limited

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