Grandstream WP820 Enterprise Portable WiFi Phone [WP820]

Security 
User and administrator level passwords, MD5 and MD5-sess based authentication,
256-bit AES based secure configuration file, SRTP, TLS, 802.1x media access control

TECHNICAL SPECS

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, 802.1x, TLS, SRTP, IPv6

Voice and Video Codecs and Capabilities
Support for G.711µ/a, G.729A/B, G.722 (wide-band), iLBC, Opus, in-band and outof-band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC, ANS,
H.264 (decoding only)

Wi-Fi 
Yes, integrated dual-band Wi-Fi 802.11 a/b/g/n (2.4GHz & 5GHz)

Wi-Fi Encryption 
WEP, WPA/WPA2, WPA Enterprise

Graphic 
2.4 inch (240x320) TFT color LCD

Peripherals 
3 soft keys, dial, hangup, speakerphone, phonebook, backlit keypad, proximity
sensor, accelerator, vibration motor, volume button and navigation keys

Push-to-Talk C
ustomizable button for push-to-talk, panic call and other related functions

Bluetooth 
Yes, Bluetooth 4.2

Auxiliary Ports 
3.5 mm headset jack, Micro USB port for charging , dual-MIC, dual-color LED

Telephony
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, personalized music ringtones and music on hold, server redundancy and fail-over, push to talk

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 320x240 screen.

Security 
User and administrator level passwords, MD5 and MD5-sess based authentication,
256-bit AES based secure configuration file, SRTP, TLS, 802.1x media access control

HD Audio 
Yes, both on handset and speakerphone with support for wideband audio,
HAC supported

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

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

Upgrade/Provisioning 
Firmware upgrade via TFTP/HTTP/HTTPS, mass provisioning using TR-069 or
encrypted XML configuration file, manual upload, USB upgrade

Power & Green Energy Efficiency
Universal power adapter included
Input: 100-240VAC; Output: +5VDC, 1A (5W)
1500mA Li-ion battery, 150h standby time and 7.5h talk time

Physical
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

Temperature and Humidity 
Operating Temperature: 0ºC to 45ºC; Operating Humidity: 10-90% (non-condensing)
Storage Temperature: -20ºC to 60ºC; Storage Humidity: 10%-90% (non-condensing)

Package Contents 
Handset unit, universal power supply, charger cradle, belt clip, 1 Li-ion battery,
Quick Start Guide

Durability 
Drop-safe from 1.2 meter height

Compliance
CE: EN 301 893; EN 300 328; EN 55032; EN 55035; EN 61000-3-2;EN 61000-3-3; EN
62368-1; EN 301 489-1/17; EN 50360; EN 62479; EN 50663; EN 50566.
FCC: FCC Part 15B; FCC Part 15C; FCC Part 15E; FCC Part 68 HAC.
RCM: AS/NZS 4268; AS/NZS 60950.1; AS/NZS CISPR 32; CISPR 35; AS/CA S004; AS/
ACIF S040.
Japan: MIC-R; China: SRRC; EAC; RoHS 2.0(2011/65/EU&(EU)2015/863) REACH.