VoIP Phone with PoE

VoIP Phone Basic Features Support SIP 2.0 (RFC3261) and correlative RFCs Support IAX2 SIP supports multi SIP servers. Can connect to multi SIP servers at the same time. CodecG.711A/u, G.7231 high/low, G.729a/b,G.722,G.726 Echo cancellation: G.168 Compliance in LEC, additional acoustic echo cancellation(AEC) can reach 96ms max filter length in hands-free mode Support Voice Gain Setting, VAD, CNG Full duplex hands-free speakerphone SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call DTMFSupport SIP info, DTMF Relay, RFC2833 9 kind of ring type and 1 user-defined music ring (optional) Advanced Application Features Large dot matrix LCD display and soft keys make user easier to use Friendly graphic menu 2 headset interface ( 2.5mm Jack or RJ9 connector) 6 memory keys, and can realize more than 6 memory keys when connected to extension boardoptional. Multilanguage realizes localization SIP application: support call forward/ transfer (blind/attended/alert)/ holding/ waiting/ 3 way talking/ conference/ paging and intercom/ call park/ pickup/ join call/ redial and unredial/ click to dial/ vport/secondary dialing automatically/ push to talk Call control features: flexible dial map, hotline, empty calling no. reject service, black list for reject authenticated call, white list, limit call, no disturb, caller ID, CLIR (reject the anonymous call), CLIP (make a call with anonymous), Dial without register Incoming calls /outgoing calls / missing calls. Each support 100 records. Support Phonebook 500 records Support voice record on SIP server(optional) Support SMS Support Memo Support alarm clock Support Speed dial Support XML Maintenance and Management Web ,telnet and keypad management Management with different account right Upgrade firmware through POST mode Telnet remote management/ upload/download setting file Safe mode provide reliability Support Auto Provisioning (upgrade firmware through HTTP, FTP or TFTP) Support Syslog Network Features WAN/LAN: 10/100M Ethernet ports, supports Route,and Switch mode. Support PPPoE for xDSL Support PoE Support basic NAT and NAPT NAT transversesupport STUN client Support DHCP client on WAN Support DHCP server on LAN Support main DNS and secondary DNS server. Support VLAN Support DMZ Support DNS Relay, SNTP Client, Firewall Support VPN (L2TP/UDP TUNNEL) , Open VPN/TLS, SRTP security protocol QoS with DiffServ Network tools in telnet server: including ping, trace route, telnet client