Main Features
* 10 SIP accounts
* Call hold, mute, DND (do not disturb), redial and auto-answer
* One-touch speed dial and hotline
* Call forward, call waiting, call transfer
* Set date time manually or automatically
* IP conflict detection
* USB 2.0 port for USB call recording
* Paging, intercom and 3-Way conferencing
* 4.3'' 480 x 272 px color IPS screen with backlight
Audio features
* HD voice: HD handset, HD speaker
* Full-duplex hands-free speakerphone
* Wideband codec: G.722, Opus, AMR-WB (optional), G.711WB (optional)
* Narrowband Codec: G.711(A/u), iLBC, G.729.AB, G.723, G.726, AMR-NB (Optional)
Directory
* Phone book (2000 up to records)
* Black list
* XML/LDAP remote phonebook
* Phonebook search, import and export
* Call history: dialed, received and missed (up to 60 records)
IP-PBX Features
* Anonymous call, anonymous call rejection
* Voice mail, call park, call pickup
* BLF (Busy Lamp Field)
* MWI (Message Waiting indicator)
Keys
* 10 Touchable line keys
* Headset, mute and hands-free speakerphone
* 4 Touchable soft keys
* Volume +/-
Display and Indicator
* 4.3'' 480 x 272 px color IPS screen with backlight
* 16-bit depth color
* LED for call and message waiting indication
* Dual-color (red/green) illuminated LEDs for line status information
* Intuitive user interface with icons and soft keys
* Multilingual user interface
* Caller ID with name and number
* Power saving mode
Interface
* 2x RJ-45 Ports (Ethernet 10/100/1000 Base-T)
* Support PoE
* 1 x RJ-9 Headset port
* 1 x USB 2.0 port
* 1 x Power adapter
Management
* Configuration via browser/phone/auto-provision
* DHCP server and DHCP client
* Cloud device management FCMS
* DNS/DNS SRV (RFC 1706,RFC 2782)
* TFTP/HTTP/HTTPs for Auto Provisioning
Other
* Color: classic grey
* Stand with 3 adjustable angles
* Wall mountable
* AC/DC Adapter:
* AC Input: 100~240V, 50~60Hz
* DC Output: 5V, 2A
* Power consumption (PSU): 1.5-3.5W
* Power consumption (PoE): 1.9-4.5W
* Dimensions (W x H x D x T):
* 190mm x 188.5mm x 173mm x 42.5mm
* Relative humidity (HR): 10~90% (No condensing)
* Storage temperature: -25~65°C
* Operation temperature: 0~45°C
Network and Security
* SIP v1 (RFC2543), v2 (RFC3261)
* IPv4/IPv6, Dual stack IPv4/IPv6
* RTP/RTCP (RFC1889, RFC1890)
* IP assignment: static IP and DHCP
* AES encryption for configuration file
* HTTP/HTTPS web server
* HTTPS certificate manager
* LLDP/CDP/DHCP VLAN
* SDP (RFC 2327), UDP/TCP
* NAT Traversal by STUN
* SRTP
* TLS
* Proxy mode and peer-to-peer SIP link mode
