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
