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.

8
Models Available
20hr
Max Talk Time
IP69K
Ruggedised Options
Wi-Fi 6
Latest Standard
Why Grandstream WP Series

Built for mobility. Built for business.

Designed for environments where staff need to roam — warehouses, retail floors, hospitality venues, healthcare, multi-floor offices.

True Mobility

Stay connected across the whole workplace. Handsets roam seamlessly between access points — warehouse, floor, between rooms.

HD Audio & Dual-MIC

Every model features HD voice with dual-MIC and echo cancellation. Selected models add AI noise reduction.

Seamless Roaming

Fast roaming (802.11k/r/v) on most models — calls aren't dropped when moving between access points.

Flexible Deployment

Works with your existing Wi-Fi network — no proprietary base stations. Compatible with BizTel, iPECS Cloud, all standard SIP platforms.

Long Battery Life

From 6 hours on entry models to 20 hours on the WP856. Standby up to 240 hours on selected models.

Scalable Solutions

Single handset for a small office or fleet for a large enterprise. Central provisioning via Grandstream GDMS.

The Range

Choose your Grandstream Wi-Fi cordless phone.

All eight models, side-by-side. Comstel can help match the right handset to your environment.

Grandstream WP810 Cordless Wi-Fi IP Phone
Grandstream WP810
Photo coming soon
Entry-Level

Grandstream WP810

  • Dual-band Wi-Fi 802.11ac
  • 6hr talk / 120hr standby
  • 1.8" TFT colour LCD
  • 2 SIP accounts / 2 lines
  • HD voice, dual-MIC
Grandstream WP816 Cordless Wi-Fi IP Phone
Grandstream WP816
Photo coming soon
Wi-Fi 6 · AI Noise

Grandstream WP816

  • Wi-Fi 6 (802.11ax), fast roaming
  • 6hr talk / 120hr standby
  • 1.77" colour LCD, MWI
  • 3 SIP accounts / 3 lines
  • AI noise reduction, Bluetooth
Grandstream WP820 Cordless Wi-Fi IP Phone
Grandstream WP820
Photo coming soon
Enterprise

Grandstream WP820

  • Dual-band Wi-Fi 802.11n
  • 7.5hr talk / 150hr standby
  • 2.4" TFT colour LCD
  • 2 SIP accounts / 2 lines
  • Bluetooth, 1500mAh battery
Grandstream WP822 Cordless Wi-Fi IP Phone
Grandstream WP822
Photo coming soon
Unified Linux

Grandstream WP822

  • Dual-band Wi-Fi 802.11ac
  • 8hr talk / 200hr standby
  • 2.4" TFT colour LCD
  • 2 SIP accounts / 2 lines
  • Bluetooth, 2000mAh battery
Grandstream WP825 Cordless Wi-Fi IP Phone
Grandstream WP825
Photo coming soon
Ruggedised · IP67

Grandstream WP825

  • Dual-band Wi-Fi 802.11ac
  • 8hr talk / 200hr standby
  • IP67 water/dust proof, 2.5m drop
  • 2.4" TFT colour LCD
  • 2 SIP accounts / 2 lines
Most Popular
Grandstream WP826 Cordless Wi-Fi IP Phone
Grandstream WP826
Photo coming soon
Wi-Fi 6 · 12hr

Grandstream WP826

  • Wi-Fi 6 (802.11ax), fast roaming
  • 12hr talk / 240hr standby
  • AI noise reduction, Bluetooth
  • 3 SIP accounts / 3 lines
  • Push-to-Talk, 3000mAh
Grandstream WP836 Cordless Wi-Fi IP Phone
Grandstream WP836
Photo coming soon
Rugged · Wi-Fi 6

Grandstream WP836

  • Wi-Fi 6, fast roaming
  • 10hr talk / 240hr standby
  • IP69K, antibacterial casing
  • 2.8" colour LCD, large screen
  • AI noise reduction, PTT
Grandstream WP856 Cordless Wi-Fi IP Phone
Grandstream WP856
Photo coming soon
Android 13 · Premium

Grandstream WP856

  • Wi-Fi 6, 5000mAh battery
  • 20hr talk / 200hr standby
  • 5.5" HD touchscreen
  • Built-in 1D/2D barcode scanner
  • Android 13, 6 SIP accounts
Ideal For

Who uses Grandstream Wi-Fi cordless phones?

Warehouses

Ruggedised IP67/IP69K models with drop protection and long battery — WP825, WP836.

Retail

Stay connected across floors and stockrooms — WP820, WP826.

Healthcare

Antibacterial casing and silent alerts — WP836.

Hospitality

Move freely across venues and floors — WP822, WP826.

Offices

Large offices and multi-floor buildings — WP810, WP816, WP856.

Logistics / Field Ops

WP856 with barcode scanner and Android apps — pick-pack, asset tracking on a single device.

Common Questions

FAQs — Wi-Fi cordless phones.

What's the best Grandstream Wi-Fi phone for a warehouse?
The WP825 and WP836 are ruggedised IP67/IP69K models built for warehouses and industrial environments. The WP836 adds Wi-Fi 6, antibacterial casing and AI noise reduction. The WP856 is the premium choice with 20-hour talk time, 5.5" touchscreen and a built-in 1D/2D barcode scanner.
Do Grandstream WP phones work with my existing phone system?
Yes — all WP Series handsets work with BizTel, iPECS Cloud, Avaya and any standard SIP platform. No proprietary base stations required.
How many SIP accounts can a Grandstream WP phone register?
Most WP Series handsets register 2–3 SIP accounts. The premium WP856 registers up to 6 SIP accounts.
Which WP models support Wi-Fi 6?
Wi-Fi 6 (802.11ax) is supported on the WP816, WP826, WP836 and WP856. The other models use Wi-Fi 5 (802.11ac) or earlier standards.
What battery life can I expect day-to-day?
Entry-level WP810/816 give around 6 hours of talk time; WP820/822/825 give 7.5–8 hours; WP826/836 give 10–12 hours; the WP856 gives up to 20 hours.
How do I choose between models?
Call 1300 070 747 — tell us about your workplace (office, warehouse, healthcare, hospitality), team size and existing phone system, and we'll recommend the right handset.
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Get your team mobile across the whole site.

Grandstream WP Series + your existing SIP platform. Free advice from Comstel. Australian-based support.

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