Yealink W52H | Additional headset to base station W52

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

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

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

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

CAT-iq2.0
1 x RJ45 10/100M Ethernet port
Power over Ethernet (IEEE 802.3af)
Headset jack (2.5 mm)

Range: 50 meters indoor, 300 meters outdoor
11 hours talk time, 120 hours standby time
1.8'' 128x160 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: 153mm x 108mm x 45mm
Operating humidity: 10 ~ 95%
Operating temp: -10 ~ +50°C

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

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

1 x Handset, 1 x Base Station, 1 x Belt Clip, 2 x Rechargeable Battery, 1 x Charger Cradle, 2 x Power Adapter, 1 x Ethernet Cable, 2 x Guide, 1 x CD-ROM
Qty/CNT: 10pcs
Giftbox size: 206mm*192mm*85mm
Carton Meas: 455mm*396mm*211mm
N.W: 7.4KG
G.W: 8.1KG