Grandstream WP820 Enterprise Portable Wi-Fi Phone
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About this product
• The WP820 is a portable Wi-Fi phone designed for various enterprises and vertical market applications, including retail, logistics, medical, and security.
• Key Features:
• Dual-band WiFi with efficient antenna design and advanced roaming support
• Bluetooth for syncing headsets and mobile devices (contacts and call transferring)
• HD voice & dual MIC design with AEC and Noise Shield Technology
• Rechargeable 1500mAh battery, 7.5 hour talk time, 150-hour standby
• Accelerometer and configurable button for push-to-talk, panic, and other related functions
• Micro USB port and 3.5mm headset jack
• 2 SIP accounts, 2 lines
• Supports custom Android apps that fit the phone's screen/keys
• Battery charger (GMC08) available separately
• Technical Specifications:
• 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 Codecs and Capabilities: Support for G.711µ/a, G.729A/B, G.722 (wide-band), iLBC, Opus, in-band and out-ofband DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC, ANS
• Graphic: 2.4 inch (240×320) TFT color LCD
• Peripherals: 3 soft keys, dial, hangup, speakerphone, phonebook, backlit keypad, proximity sensor, accelerator, vibration motor, volume button and navigation keys
• Auxiliary Ports: 3.5 mm headset jack, Micro USB port for charging , dual-MIC, dual-color LEDTelephony 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
• Key Features:
• Dual-band WiFi with efficient antenna design and advanced roaming support
• Bluetooth for syncing headsets and mobile devices (contacts and call transferring)
• HD voice & dual MIC design with AEC and Noise Shield Technology
• Rechargeable 1500mAh battery, 7.5 hour talk time, 150-hour standby
• Accelerometer and configurable button for push-to-talk, panic, and other related functions
• Micro USB port and 3.5mm headset jack
• 2 SIP accounts, 2 lines
• Supports custom Android apps that fit the phone's screen/keys
• Battery charger (GMC08) available separately
• Technical Specifications:
• 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 Codecs and Capabilities: Support for G.711µ/a, G.729A/B, G.722 (wide-band), iLBC, Opus, in-band and out-ofband DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC, ANS
• Graphic: 2.4 inch (240×320) TFT color LCD
• Peripherals: 3 soft keys, dial, hangup, speakerphone, phonebook, backlit keypad, proximity sensor, accelerator, vibration motor, volume button and navigation keys
• Auxiliary Ports: 3.5 mm headset jack, Micro USB port for charging , dual-MIC, dual-color LEDTelephony 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
More product details
The Grandstream WP820 brings SIP-based voice over Wi-Fi to workers who aren't tethered to a desk. It's a natural fit for healthcare, retail, warehousing, and security teams where staff move between floors, aisles, or buildings while staying on the organization's phone system. Unlike consumer smartphones, the WP820 is purpose-built for voice, with physical keys, HD voice, and battery life that covers a typical shift. It replaces a desk phone for mobile roles, or it can complement a DECT infrastructure by riding a building's existing Wi-Fi network.
In a well-covered Wi-Fi environment—common in many GTA offices—the WP820 pairs seamlessly with Grandstream's UCM PBX, and it's compatible with nearly any SIP platform, including cloud-hosted services popular with Canadian SMBs. Bluetooth support lets you use a cordless headset for hands-free work, and the ability to sync contacts from a mobile device reduces duplicate entry. The phone is best seen as a dedicated endpoint, not a smartphone replacement; it won't run your company's field service app, but it handles calls reliably where coverage is good.
Battery life is practical for moderate use: about 7.5 hours of talk time and over six days on standby. Heavy users—think security dispatchers or nurses on back-to-back calls—may need to drop it into the charger during a lunch break. Wi-Fi performance is directly tied to your access point layout; dead zones will cause dropouts, and aggressive roaming can sometimes trigger brief audio interruptions. The accelerometer and configurable side button are handy for push-to-talk or panic alerts, but they require proper setup with a compatible server to work.
For a desk-bound worker, this phone is overkill; a wired IP phone is simpler and cheaper. Conversely, guards patrolling a sprawling outdoor lot without dense Wi-Fi will find the WP820 underpowered—it relies entirely on 802.11 coverage. That said, within a well-planned indoor footprint, the WP820 is a solid tool that keeps mobile staff connected on the organization's own voice infrastructure, avoiding the chaos of personal cellphones.
In a well-covered Wi-Fi environment—common in many GTA offices—the WP820 pairs seamlessly with Grandstream's UCM PBX, and it's compatible with nearly any SIP platform, including cloud-hosted services popular with Canadian SMBs. Bluetooth support lets you use a cordless headset for hands-free work, and the ability to sync contacts from a mobile device reduces duplicate entry. The phone is best seen as a dedicated endpoint, not a smartphone replacement; it won't run your company's field service app, but it handles calls reliably where coverage is good.
Battery life is practical for moderate use: about 7.5 hours of talk time and over six days on standby. Heavy users—think security dispatchers or nurses on back-to-back calls—may need to drop it into the charger during a lunch break. Wi-Fi performance is directly tied to your access point layout; dead zones will cause dropouts, and aggressive roaming can sometimes trigger brief audio interruptions. The accelerometer and configurable side button are handy for push-to-talk or panic alerts, but they require proper setup with a compatible server to work.
For a desk-bound worker, this phone is overkill; a wired IP phone is simpler and cheaper. Conversely, guards patrolling a sprawling outdoor lot without dense Wi-Fi will find the WP820 underpowered—it relies entirely on 802.11 coverage. That said, within a well-planned indoor footprint, the WP820 is a solid tool that keeps mobile staff connected on the organization's own voice infrastructure, avoiding the chaos of personal cellphones.