>    Up to 20 simultaneous calls

>    Up to 10 handsets

>    Up to 10 SIP accounts

>    Up to 2 simultaneous calls per handset

>    Up to 5 repeaters per base station (RT20U)

>    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

>    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

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

>    FNR (Noise Cancellation)

>    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: PCMU, PCMA, G.726, G.729, G.729A, iLBC

>    VAD, CNG, AGC, PLC, AJB

>    AEC (supported by W73H)

>    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: 35 hours (in ideal conditions)

>    1.8″ 128 x 160-pixel TFT color display

>    Desktop or wall mountable

>    LCD backlight, key backlight

>    Energy-saving ECO mode/ECO Mode+

>    Backlit keypad with 25 keys:

–  Standard ITU telephone keypad, 12 keys, 4×3, with star and pound key

–  5 navigation keys (left, right, up, down, OK)

–  2 softkeys

–  6 function keys (Speaker, message, Off-hook, Cancel, TRAN, Mute)

>    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/0.6A Output

>    Color: Handset: Space Grey; Base: Classic Grey

>    Handset size: 144.5 mm x 48 mm x 21 mm

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

>    Operating humidity: 10~95%

>    Operating temperature: -10~+50°C (+14~122°F)

>    Storage temperature: -30 ~ 70°C (-22 ~ 158°F)

Package Features

>    Package content:

–  W73H Handset

–  W70B Base Station

–  Base Stand

–  Charger Cradle

–  Two Power Adapters

–  Ethernet Cable

–  Belt Clip

–  Rechargeable Battery

–  Quick Start Guide

>    Qty/CNT: 10 PCS

>    Giftbox size: 502mm × 362mm ×  215mm

>    Carton meas: 205mm × 176mm ×  95mm

>    N.W: 6.854Kg

>    G.W: 7.53Kg