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WP Cordless Series

Grandstream WP856

Rugged Wi-Fi 6 Cordless IP Phone

The Grandstream WP856 is a flagship ruggedised cordless Wi-Fi 6 IP phone with Bluetooth, HD voice with dual microphones and a removable 5000mAh battery delivering up to 20 hours of talk time in a durable, IP-rated body.

Wi-Fi 6

Fast, dense-network ready

20h Talk Time

Removable 5000mAh battery

Rugged Build

IP-rated durability

Bluetooth

Wireless headsets

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20h
Talk Time
Wi-Fi 6
Wireless
HD
Voice
Rugged
IP-Rated
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All Grandstream Products in a quick overview.

IP Phones, IP Video Phones, Access Points, IPPBX, Gateways& ATAs

Technical Features

Mobility Without Compromise

The WP856 combines HD voice, all-day battery and enterprise Wi-Fi mobility in a rugged, easy-to-manage handset.

Dual-Band Wi-Fi

Integrated 802.11a/b/g/n/ac dual-band Wi-Fi with seamless roaming across access points

HD Voice + Dual-MIC

HD voice with a dual-microphone design, AEC and noise-shield technology for clear calls

Long Battery Life

removable 5000mAh Li-ion battery delivering up to 20 hours talk time and 200 hours standby

Bluetooth

Bluetooth for wireless headsets and mobile device pairing

Rugged & Protected

Ruggedised, water- and dust-resistant design built to survive accidental drops

2 SIP Accounts

Two lines and two SIP accounts, each with independent server and NAT settings

Enterprise Security

TLS and SRTP encryption with secure provisioning for protected communication

GDMS Cloud Management

Deploy and manage handsets remotely with Grandstream GDMS

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Frequently Asked Questions

Grandstream WP856 — Common Questions

Everything you need to know about the Grandstream WP856 before you buy.

The Grandstream WP856 is a flagship ruggedised cordless Wi-Fi 6 IP phone with Bluetooth, HD voice with dual microphones and a removable 5000mAh battery delivering up to 20 hours of talk time in a durable, IP-rated body. It is ideal for all-day mobile staff in large warehouses, campuses, healthcare and logistics.
The WP856 uses a removable 5000mAh Li-ion battery rated for up to 20 hours of talk time and 200 hours of standby.
The WP856 has integrated dual-band 802.11a/b/g/n/ac /ax Wi-Fi 6 Wi-Fi with roaming support for continuous mobility.
The WP856 supports up to 2 SIP accounts and 2 lines, each with independent settings.
Yes — with HD voice, mobility and a ruggedised, water- and dust-resistant build, the WP856 is well suited to warehousing, retail, logistics, healthcare and hospitality.
Yes — the Grandstream WP856 is available in India through Cohesive Technologies, an authorised national distributor of Grandstream IP telephony. Request pricing at sales@cohesiveglobal.com or visit cohesiveglobal.com.