Phone features

• 16 SIP accounts
• Call hold, mute, DND
• One-touch speed dial, hotline
• Call forward, call waiting, call transfer
• Redial, call return, auto answer, direct IP call,
• 5-way conference
• Group listening, SMS, emergency call
• Ring tone selection/provisioning
• Set date time automatically or manually
• Dial plan per account
• RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
• Action URL/URI
• USB port (2.0 compliant) for: USB call recording through USB flash drive; USB storage (screen saver, wallpaper); USB headset
• Linux Operating System

Audio features

• HD voice, HD handset, HD speaker
• Codecs: iLBC, G.722, G.711(A/μ), Opus, G.723.1, G.729AB, G.726-32, G.722.1
• DTMF: In-band, RFC 2833, SIP INFO
• Full-duplex hands-free speakerphone with AEC
• AEC, VAD, AGC, CNG, PLC, AJB, JIB

Directory

• Local phonebook up to 10,000 entries
• XML/LDAP remote phonebook
• Intelligent search method
• Phonebook search/import/export
• Call history: dialed/received/missed/forwarded
• Black list

IP-PBX features

• Busy Lamp Field (BLF), bridged Line Appearance (BLA)
• Anonymous call, anonymous call rejection
• Hot-desking, voice mail
• Call park, call pickup
• Intercom, paging
• Music on hold
• Flexible seating
• Call recording

Display and indicator

• 4.3" 480 x 272-pixel color display with backlight
• 24 bit depth color
• LED for call and message waiting indication
• Dual-color (red or green) illuminated
• LEDs for line status information
• Wallpaper, national language selection
• Intuitive user interface with icons and soft keys
• Caller ID with name, number and photo

Interface

• Dual-port Gigabit Ethernet
• Power over Ethernet (IEEE 802.3af), class 3
• IEEE 802.3az Green Energy Efficient Ethernet
• 1xRJ9 (4P4C) handset port
• 1xRJ9 (4P4C) headset port
• Supports up to 6 Expansion Modules
• 1xUSB Port (2.0 compliant)
• 1xRJ12 (6P6C) EXT port
  Support EHS

Feature keys

• 10 line keys with LED
• 10 line keys can be programmed up to 36 Paperless DSS keys (4-page view)
• 8 feature keys: voice mail, headset, mute,speaker, conference, hold, transfer,redial
• 4 context-sensitive “soft” keys
• 6 navigation keys (include cancel key) and volume control keys

Physical features

• Stand with 2 adjustable angles
• Wall mountable
• External universal AC adacpter
• AC 100~240V input and DC 5V/1.2A output
• Power consumption (PSU): 2.0~4.6W
• Power consumption (PoE): 2.5~5.5W
• Operating humidity: 10~95%
• Operating temperature: -10~50°C

Management

• Configuration: browser/LCD-Menu/auto-provision
• Auto provision via HTTP/HTTPS/FTP/TFTP
• Auto-provision with PnP
• Reset to factory, reboot
• Local tracing log export, system log
• Phone lock for personal privacy protection

WiFi/Bluetooth

• Network Standard: IEEE802.11a/b/g/n/ac
• Transmission Rate: 433 Mbps
• Frequency Range: 2.4GHz/5Hz
• Bluetooth specification: V4.2+HSsystem
• Enhanced Data Rata (EDR) compliant for both 2Mbps and 3Mbps supported
• Bluetooth frequency range: 2.402GHz-2.480GHz
• Compatible with Bluetooth specification V4.2, backward compatible with Bluetooth1.1 1.2 2.0 and 3.0 for wide-ranging use

Network and security

• SIP v1 (RFC2543), v2 (RFC3261)
• SIP server/proxy redundancy
• NAT Traversal: STUN mode
• IP assignment : static/DHCP/IEEE802.1X/open VPN
• HTTP/HTTPS web server
• Time and date synchronization by SNTP
• DNS-NAPTR/DNS-SRV(RFC 3263)
• QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
• TLS(Transport Layer Security), SRTP, ZRTP
• HTTPS certificate manager
• AES encryption for configuration file
• Digest authentication using MD5/MD5-sess
• IEEE802.1X/OpenVPN
• IPv4/IPv6 , LLDP/CDP/DHCP VLAN