| FeaturesSupport SIP 2.0 (RFC3261) and correlative RFCsCodec:G.711A/u, G.729Echo cancellation: Support G.168, and Hands-free can support 96ms, Hand free Speaker PhoneSupport Voice Gain Setting, VAD, CNGFull duplex hands-free speakerphoneNAT transverse:support STUN clientSIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP callSIP support 4 Pubic SIP server at the same timeDTMF:Support SIP info, DTMF Relay, RFC2833SIP application: support Call forward/transfer/holding/waitingCall control features: Flexible dial map, Hotline, Empty calling reject, Black list for reject authenticated call, limit call, No disturb, Caller ID.Support three way conference callSupport voice record, 240 seconds max or 3 record max, user-defined record prompt with 1 minute max Support Phonebook 500 recordsIncoming calls / Outgoing calls / Missing calls. Each support 100 records.Support conference and voice record on SIP server8 kind of ring typeEnglish, Spanish, Czechoslovak alternativeNetwork FeaturesWAN/LAN: Support Bridge and Router modelSupport basic NAT and NAPTSupport PPPoE for xDSLSupport DHCP Client on WANSupport DHCP Server on LANSupport VLAN (optional: voice vlan/data vlan)QoS with DiffServSupport DMZSupport VPN (L2TP/UDP TUNNEL)Support DNS Relay, SNTP Client, FirewallNetwork tools in telnet server: Including ping, trace route, telnet clientMaintenance and ManagementWeb ,telnet and keypad managementManagement with different account rightUpgrade firmware through POST modeUpgrade firmware through HTTP, FTP or TFTP.Telnet remote management./ Upload/download setting fileSafe mode provide reliabilitySupoort Auto Provisioning (upgrade firmware or configuration file)Support Syslog Standard Component:Item JR-904 Adapter(Input/Output) WAN 10/100Base- T RJ-45 for LAN LAN 10/100Base- T RJ-45 for PC Power Consumption Idle:1.5W active:1.8W LCD size N/A Operation Temperature 0～40°C Relative Humidity 10～65% Main Chipset INFINEON ADM5120P SDRAM 64Mbits Flash 16Mbits Dimension(W×H×D) 180*180*40mm Weight 0.6kg alternative Standard Component:Item Qty Remarks Phone 1 Adaptor 1 CD 1 User Manual Ethernet PortRJ45 2 Cable 1 Packing:Inner box MEAS 310*235*60mm G.W./unit 0.8kg Carton MEAS 505*341*330mm G.W. 9kg PCS/CTN 10pcs | 
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