Grandstream WP820 | Enterprise-grade portable Wi-Fi phone

Grandstream WP820

The Grandstream WP820 is a portable Wi-Fi IP phone designed to allow
your business users to seamlessly roam throughout any Wi-Fi environment.

Powerful and portable telephony

The Grandstream WP820 is a portable Wi-Fi phone designed to suit a variety of enterprises and vertical market applications. Equipped with integrated Wi-Fi support, advanced antenna design and roaming support, the WP820 offers a powerful combination of features, mobility and durability.

2.4″ 240 x 320 Colour LCD Display

150h Standby Time

7.5h Talk Time

HD voice & dual MIC design with Noise Shield Technology

Dual-band Wi-Fi with efficient antenna design

Up to 2 SIP accounts and 2 concurrent calls

Micro USB port and 3.5mm headset jack

Bluetooth for syncing headsets
and mobile devices

Full specification

  • Hold
  • Transfer
  • Forward
  • 3-way audio conference
  • Downloadable phonebook (XML, LDAP, up to 1000 items)
  • Call waiting
  • Call log (up to 100 records)
  • Off-hook auto dial
  • Auto answer
  • Click-to-dial
  • Flexible dial plan
  • Hot desking
  • Personalised music ringtones and music on hold
  • Server redundancy and fail-over
  • Push to talk
  • Bluetooth 4.2
  • Operating system: Android 7.0
  • Supports custom Android apps that fit the phone’s screen/keyboard (When using Android applications, limitations may apply. No touch-screen available, only physical-key browsing on small LCD 320×240 screen).
  • Universal power adapter included
  • Input: 100-240VAC; Output: +5VDC, 1A (5W)
  • 1500mA Li-ion battery, 150h standby time and 7.5h talk time

Multi-language: English, Arabic, Chinese, Czech, Dutch, German, French, Hebrew, Italian, Japanese, Polish, Portuguese, Russian, Spanish, Turkish and more.

  • Protocol/standards:
    • SIP RFC3261
    • TCP/IP/UDP
    • RTP/RTCP
    • HTTP/HTTPS
    • ARP
    • ICMP
    • DNS (A record, SRV, NAPTR)
    • DHCP
    • SSH
    • TFTP
    • NTP
    • STUN
    • SIMPLE
    • LDAP
    • TR-069
    • 1x
    • TLS
    • SRTP
    • IPv6
  • Upgrade/provisioning
    • Firmware upgrade via TFTP/HTTP/HTTPS
    • Mass provisioning using TR-069 or encrypted XML configuration file
    • Manual upload
    • USB upgrade
  • Compliance: FCC, CE, RCM, EAC

  • HD audio: on handset and speakerphone with support for wideband audio, HAC supported
  • Support for G.711µ/a, G.729A/B, G.722 (wide-band), iLBC, Opus, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC, ANS

802.11e (WMM) and Layer 3 (ToS, DiffServ, MPLS) QoS

  • User and administrator level passwords
  • MD5 and MD5-sess-based authentication
  • 256-bit AES-based secure configuration file
  • SRTP
  • TLS
  • 1x media access control

  • 5 mm headset jack
  • Micro USB port for charging
  • Dual-MIC
  • Dual-colour LED

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

  • 4 inch (240×320) TFT colour LCD display
  • Peripherals
    • 3 soft keys
    • Dial
    • Hangup
    • Speakerphone
    • Phonebook
    • Backlit keypad
    • Proximity sensor
    • Accelerator
    • Vibration motor
    • Volume button
    • Navigation keys
  • Customisable button for push-to-talk, panic call and other related functions
  • Headset dimensions: 168.5 x 52.5 x 21.8mm
  • Charger cradle dimensions: 76 x 73 x 81mm
  • Handset weight: 161g
  • Handset package weight (not including QIG): 456g
  • Operating temperature: 0ºC to 45ºC; operating humidity: 10-90% (non-condensing)
  • Storage temperature: -20ºC to 60ºC; storage humidity: 10%-90% (non-condensing)
  • Drop-safe from 1.2 meter height

  • Handset unit
  • Universal power supply
  • Charger cradle
  • Belt clip
  • 1 Li-ion battery,
  • Quick start guide
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