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Wi-Fi Cordless Phones · Grandstream · Comstel ICT
Work Doesn’t Stop
at the Desk. With Grandstream Wi-Fi cordless phones, your team stays connected across warehouses, retail floors, offices, and large facilities — without being tied to a fixed location. Designed for mobility, durability, and crystal-clear voice quality, the WP Series keeps your business moving from any corner of your premises.
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Why Grandstream WP Series
Built for Mobility. Built for Business.
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True Mobility
Stay connected across the entire workplace. Wi-Fi handsets roam seamlessly between access points, keeping your team reachable whether they’re in the warehouse, on the floor, or moving between rooms.
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HD Audio & Dual-MIC
Every model features HD voice quality with dual-MIC design and advanced echo cancellation. Selected models include AI noise reduction technology for crystal-clear calls even in loud environments like factories and warehouses.
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Seamless Roaming
Fast roaming support (802.11k/r/v) on most models means calls are never dropped when moving between Wi-Fi access points. Move freely across your entire facility without interruption.
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Flexible Deployment
Works directly with your existing Wi-Fi network — no proprietary base stations or additional infrastructure required. Compatible with all standard SIP platforms including BizTel, iPECS Cloud, and more.
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Long Battery Life
From 6 hours on the entry models to 20 hours on the WP856, every handset is engineered to support a full working day without interruption. Standby times reach up to 240 hours on selected models.
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Scalable Solutions
From a single handset for a small office to a fleet of devices across a large enterprise, the WP Series scales effortlessly. Centralised provisioning via GDMS makes managing large deployments simple.
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The Range
Choose Your Grandstream Wi-Fi Cordless Phone
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WP810
Entry-Level
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WP816
Wi-Fi 6 · AI Noise Reduction
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WP820
Enterprise-Grade
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WP822
Unified Linux Firmware
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WP825
Ruggedized · IP67
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Popular
WP826
Wi-Fi 6 · AI Noise · 12hr
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WP836
Ruggedized · Wi-Fi 6 · IP67
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WP856
Android 13 · Premium · IP65
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Ideal For
Who Uses Grandstream Wi-Fi Cordless Phones?
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Warehouses
Ruggedized models with drop protection & long battery
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Retail
Stay connected across floors & stockrooms
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Healthcare
Antibacterial casing & silent alerts
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Hospitality
Move freely across venues & floors
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Offices
Large offices, multi-floor buildings
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Specs
Side-by-Side Comparison
| Model | Wi-Fi | Battery | Screen | SIP | IP Rating | Highlights |
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| WP810 | 802.11ac | 6hr / 120hr | 1.8″ | 2 | — | Entry-level, affordable |
| WP816 | Wi-Fi 6 | 6hr / 120hr | 1.77″ | 3 | — | Wi-Fi 6, AI noise, BT |
| WP820 | 802.11n | 7.5hr / 150hr | 2.4″ | 2 | — | Enterprise, Bluetooth |
| WP822 | 802.11ac | 8hr / 200hr | 2.4″ | 2 | — | Linux firmware, BT |
| WP825 | 802.11ac | 8hr / 200hr | 2.4″ | 2 | IP67 | Ruggedized, 2.5m drop |
| WP826 | Wi-Fi 6 | 12hr / 240hr | 2.4″ | 3 | — | Wi-Fi 6, AI, PTT, 12hr |
| WP836 | Wi-Fi 6 | 10hr / 240hr | 2.8″ | 3 | IP67 | Rugged, big screen, Wi-Fi 6 |
| WP856 | Wi-Fi 6 | 20hr / 200hr | 5.5″ touch | 6 | IP65 | Android 13, scanner, 20hr |
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Need help choosing the right model?
Tell us about your workplace and team size — our team will recommend the right handset for your environment, budget, and phone system.
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Works with your existing phone system
All Grandstream WP Series handsets are fully compatible with BizTel, iPECS Cloud, Avaya, and any standard SIP platform. Pair with your existing system — no replacement required.
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