Phone features

• Support 3 account lines, hotline
• Support calls holding, calls waiting and calls transfer
• Call transfer (blind turn, turn)
• Caller id, redial, mute, don't disturb
• Auto answer, conference
• Speed-dial, SMS, voicemail
• Message lamp, the state signal, the volume control
• IP direct dial
• Custom ring tone
• Phonebook search/ import /export(300), black list
• Call records: dial calls/received calls/miss calls /
• Friendly user interface
• Support one key quit menu(button c)
• Support one key to view version number and network state(button c)
• Support Hardware diagnostics
• Multi-Language
• Programmable keys
• Advanced features
• Xml phonebook search and import, help users quickly find number and one key to call
• Enterprise phonebook
• LDAP phonebook
• Fuzzy search
• Customizable home screen
• Compatible with the mainstream IP PBX, as: Broadsoft/Avaya/Asterisk
• Intercom, paging
• BLF/BLA
• Intercom, Paging
• Dial plan, call immediately
• Audio features
• Wideband encoding: G.722
• Narrow band encoding: G. 711.μ/A, G723.1, G.729AB
• Support VAD, CNG, AEC, PLC, AJB, AGC, such as audio processing ribbon coding
• Full duplex speaker, with automatic echo elimination (AEC)

Network features

• Support SIP v1(RFC2543), v2(RFC3261)
• Support DNS-SRV（RFC3263）
• Support STUN
• 3 DTMF model: In-band, RFC2833, SIP INFO
• Support the proxy server and point to point connection mode
• Network model: static, DHCP, PPPOE
• Support bridge and router model
• Support TFTP/DHCP/PPPOE terminal
• Support DNS client, built-in NAT/DHCP service
• Login, logout in the web page

Configuration Manager

• Support FTP/TFTP/HTTPS automatic configuration
• Support 3 configuration models: web page, phone and auto provision
• Support TR069(choice)
• Load default setting, capture package and system log export

Security

• Support VPN, VLAN QOS(802.1pq)
• LLDP
• Support TLS(Transport Layer Security)
• Support HTTPS(client)
• Support TLS(Transport Layer Security)
• Support information authentication mechanism MD5
• Support AES encryption protocol
• Support phone locks, support the Root/User level management mode

Physical Properties

• DSPG embedded chipset
• 128 x64 graphic dot matrix display, 5 lines shows (including one line display icon)
• 48 buttons(include 12 programmable keys)
• One RJ-9(4P4C) handset interface
• One RJ-9(4P4C) headset interface
• Two 100 RJ-45 BASE-T Ethernet interfaces
• The power adapter: AC 100-240V input, DC 5V/1A output
• Support POE power supply (IEEE 802.3af)
• Power: 6w
• Net weight: 1.2KG
• Bare machine size: 287mm*214mm*90mm
• The operating environment humidity: 10-90%
• Working environment temperature: 0℃ ~ 60℃