Features
Exceptional HD sound with wideband technology
Up to 4 simultaneous external calls
Up to 5 DECT cordless handsets
Up to 5 VoIP accounts
1.8″ color display with intuitive user interface
10 hours talk time, 100 hours standby time
Integrated PoE （Class 1）
Desktop or wall mountableSpecification
Phone Features

>  Up to 4 simultaneous calls
>  Up to 5 handsets, Up to 5 VoIP accounts
>  Handset select for receiving  call
>  Handset and Number select for making call
>  Paging, Intercom, Auto answer
>  Call hold, Call transfer
>  Switching between calls
>  3-way conferencing
>  Call waiting, Mute, DND
>  Caller ID display, Redial
>  Anonymous call, Anonymous call rejection
>  Call forward (Always/Busy/No Answer)
>  Speed dial, Voicemail, Silence
>  Message Waiting Indication (MWI)
>  Local  Phonebook for up to 500 entries (store in the base)
>  Remote Phonebook
>  Phonebook search / import / export
>  Call history (Outgoing/Missed/Accepted)
>  Direct IP call without SIP proxy
>  Reset to factory, Reboot
>  Keypad lock, Emergency call
>  Dial Plan,   Music on hold
>  Broadsoft Directory, BroadSoft Call Log
>  Broadworks Feature Key Synchronization

Personalization

>  9 ringer melodies
>  Screen Saver,  Two kind of colour schemes
>  Multiple languages

Management

>  Auto-provision via FTP / TFTP / HTTP / HTTPS
>  Auto-provision with PnP
>  Configuration: browser / phone / auto-provision
>  Trace package and system log export

Voice and Codecs Features

>  Full-duplex speakerphone
>  Receiver volume control: 5 steps
>  Ringer volume control: 5 steps+off
>  Multiple advisory tones
>  Acoustic warning for low battery status
>  DTMF
>  Wideband codec: G.722
>  Narrowband codec: G.711µ/A, G.723, G.726, G.729, iLBC
>  VAD, CNG, AEC, PLC, AJB

Network Features

>  SIP v1 (RFC2543), v2 (RFC3261)
>  SNTP/NTP
>  VLAN (802.1Q and 802.1P)
>  802.1x, LLDP, PPPoE
>  STUN Client (NAT Traversal)
>  UDP, TCP
>  IP Assignment: Static/DHCP

Security

>  Open VPN
>  Transport Layer Security (TLS)
>  HTTPS (server / client)
>  SRTP (RFC3711)
>  Digest authentication using MD5
>  Secure configuration file via AES encryption
>  Admin / Var / User 3-level configuration mode

DECT

. Frequency bands:
1880 – 1900 MHz (Europe),
1920 – 1930 MHz (US)
. DECT Standards: CAT-iq2.0

Connectors

>  1 x RJ45 10/100M Ethernet port
>  Power over Ethernet (IEEE 802.3af)
>  Headset jack (2.5 mm)

Physical Features

>  Range: 50 meters indoor, 300 meters outdoor
>  10 hours talk time, 100 hours standby time
>  1.8’’ 128×160 pixels color display
>  Desktop or wall mountable
>  LCD backlit, Key backlit
>  Energy-saving ECO mode/ECO Mode+
>  12 key numerical keypad, 5 navigation keys 2 softkeys, 6 function keys, 6 shortcut keys
> 3 LEDs on Base: 1 x power, 1 x Network, 1 x Call
> Base station: DC 5V / 600mA Output
> Charger: DC 5V / 600mA Output
> Phone size: 144mm x 50mm x 24mm
> Base station size: 153.5mm x 108.5mm x 45mm
> Operating humidity: 10 ~ 95%
> Operating temp: －10 ~ +50°C

Package Features
. Package content:
– W52H Handset
– Base Station
– Charger Cradle
– Two Power Adapters (one is optional)
– Belt Clip
– Ethernet Cable
– Two Rechargeable Batteries
– Quick Start Guide
. Qty/CNT: 10pcs
. Giftbox size: 214mm*200mm*101mm
. Carton meas: 529mm*410mm*223mm
. N.W: 7.4 kg
. G.W: 8.1 kg

Special Features

. Increase range with up to 5 repeaters