Advance Ipphone ,big Lcd , Business Ipphone

An Ethernet hard phone is a self contained IP telephone that looks just like a conventional phone but instead of a conventional phone jack. It can be used independently without personal computer, all that is required is an internet connection. a hard phone is the best solution for IP telephony. 

Voice Features

• Support SIP 2.0 (RFC3261) and correlative RFCs
• Support IAX2
• SIP support one line to register and dial
• Codec:G.711A/u, G.729a/b
• Acoustic echo cancellation: G.167 Compliant Algorithm, and echo cancellation can reach 64ms max filter length in hands-free mode
• Support Adaptive Jitter Buffer up to 200 ms, VAD, CNG
• Full duplex hands-free speakerphone
• NAT transverse:support STUN client
• SIP support SIP domain, SIP authentication (none, basic,MD5), DNS name of server, peer to peer/ IP call
• DTMF relay: support inband, SIP info, RFC2833
• SIP application: support call forward/ transfer/ holding/ waiting/ conference/ pickup/ joincall/ redial/ unredial/ call park/ click to call/ paging and intercom
• Call control features: flexible dial map, hotline, empty calling no. reject service, black list for reject authenticated call, limit call, no disturb, caller ID
• Support phonebook 500 records
• Incoming calls/ outgoing calls/ missing calls. Each supports 100 records
• Support conference

Network Features

• WAN/LAN: support bridge and router model
• Support PPPoE for xDSL
• Support DHCP client on WAN
• Support DHCP server on LAN
• Support main DNS and secondary DNS server
• Support DNS Relay, SNTP Client
• Network tools in telnet server: including ping, trace route, telnet client

Maintenance and Management

• Web, telnet and keypad management
• Management with different account right
• Upgrade firmware through POST mode
• Upgrade firmware through HTTP, FTP or TFTP
• Managing, configuring phone via a special configuration server built by winline Co.
• Safe mode provide reliability
• Support Auto Provisioning (upgrade firmware or configuration file)
• Support Syslog