•   Up to 20 simultaneous calls

•   Up to 10 handsets

•   Up to 10 VoIP accounts

•   Up to 2 simultaneous calls per handset

•   Up to 6 repeaters per base station (RT30)

•   Handset selection for receiving call

•   Handset and number selection for placing call

•   Paging, intercom, auto answer, dial plan

•   Call hold, call transfer, 3-way conference

•   Switching between calls

•   Call waiting, mute, silence, DND

•   Caller ID with name and number

•   Anonymous call/Anonymous call rejection

•   Call forward: Always/Busy/No Answer

•   Speed dial/Voicemail/Redial

•   Message Waiting Indication (MWI)

•   Music on hold (server-based)

•   Local phonebook for up to 1000 entries (store in the base)

•   Remote phonebook/LDAP/XML phonebook

•   Phonebook search/import/export

•   100 call history per handset: All/Placed/Missed/ Received/Forward

•   Direct IP call without SIP proxy

•   Reset to factory, reboot

•   Keypad lock, emergency call

•   Broadsoft directory, BroadSoft call log

•   Broadworks feature key synchronization

•   Shared Call Appearance (SCA)

•   XML browser

•   Action URI

Personalization

•   9 ringer melodies

•   Screen saver

•   Multilingual user interface

Management

•   Auto-provision via TFTP/FTP/HTTP/HTTPS/RPS

•   Auto-provision with PnP

•   Handset upgrade: OTA (Over-The-Air)

•   Configuration: browser/phone/auto-provision

•   Trace package and system log export

•   Full-duplex speakerphone

•   Hearing Aid Compatibility (HAC) compliant

•   Receiver volume control: 5 steps

•   Ringer volume control: 5 steps+off

•   Multiple advisory tones

•   Acoustic warning for low battery status

•   DTMF

•   Wideband codec: Opus, AMR-WB (optional), G.722

•   Narrowband codec: AMR-NB (optional), PC- MU,PCMA, G.726, G.729, G.729A, iLBC

•   VAD, CNG, AGC, PLC, AJB

•   AEC (supported by W56H)

•   Support VQ-RTCPXR (RFC6035), RTCP-XR

Network Features

•   SIP v1 (RFC2543), v2 (RFC3261)

•   SNTP/NTP

•   VLAN (802.1Q and 802.1P)

•   802.1x, LLDP

•   STUN Client (NAT Traversal)

•   UDP/TCP/TLS

•   IP assignment: Static/DHCP

•   Support outbound proxy server backup

Security

•   Open VPN

•   Transport Layer Security (TLS)

•   HTTPS (server/client), SRTP (RFC3711)

•   Digest authentication

•   Secure configuration file via AES encryption

•   Support SHA256/SHA512/SHA384

•   Three-level configuration mode: Admin/Var/User

DECT

•   Frequency bands:

1880 – 1900 MHz (Europe), 1920 – 1930 MHz (US)

•   DECT Standards: CAT-iq2.0

Interface

•   1 x RJ45 10/100M Ethernet port

•   Power over Ethernet (IEEE 802.3af), Class 1

•   Headset jack (3.5 mm)

•   Indoor Range: 50m (in ideal conditions)

•   Outdoor Range: 300m (in ideal conditions)

•   Standby Time: 400 hours (in ideal conditions)

•   Talk Time: 30 hours

•   2.4’’ 240×320 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

•   Three LED indicators on W70B:

–  1 x Registration LED

–  1 x Network Status LED

–  1 x Power Indicator LED

•   External Yealink AC adapter:

AC 100-240V Input and DC 5V/600mA Output

•   Color: Handset: Alabaster Silver ; Base: Classic Grey

•   Handset size: 175mm x 53mm x 20.3mm

•   Base station size: 130mm x 100mm x 25.1mm

•   Operating humidity: 10 ~ 95%

•   Operating temperature: 0~+40°C (+32~104°F)

Package Features

•   Package contents:

–  W56H Handset

–  W70B Base Station

–  Base Stand

–  USB Charger Cradle

–  Two  Power Adapters

–  Ethernet Cable

–  Belt Clip

–  Rechargeable Battery

–  Quick Start Guide

•   Qty/CNT: 10 PCS

•   Giftbox size: 205mm × 196mm × 95mm

•   Carton meas: 495mm × 406mm × 223mm

•   N.W: 7.5 kg

•   G.W: 8.3 kg