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A high-performance, ruggedized SIP cordless system that registers up to 10 W57R handsets — 20 simultaneous calls, IP54 protection, and 40 hours of talk time per charge.
The official Yealink W77P (W70B+W57R) datasheet — description, key features and benefits, and the full specification list.
Source: yealink.com — W77P DECT IP Phone
The Yealink W77P, a high-performance, ruggedized SIP cordless phone system that can register 10 Yealink DECT W57R handsets, is ideal for stressful situations. It features more functions, lines, and mobility. It supports up to 10 SIP accounts and 20 simultaneous calls, improving signal strength and responsiveness to provide a stable and good experience for your mobile communications. What’s more, W57R can secure itself from a fall of up to 3.5 meters, water splashing in any direction, and dust ingress. Thanks to the vibration alarm, you are guaranteed not to miss any calls, even in noisy and stressful situations.
You can enjoy crystal-clear voice calls because of the new Noise Cancellation technology. W77P consistently delivers excellent and professional audio quality in both high-bandwidth and poor network conditions. It brings seamless call management for you by combining DECT technology with SIP capabilities, and you can also talk on the phone while walking. You can enjoy the convenience of wireless communication anytime, anywhere, and the extensive benefits and rich features of IP voice phones.
The Yealink DECT IP Phone W77P supports efficient provisioning and effortless mass deployment with Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism to help you realize the Zero Touch Provisioning without any complex manual settings. This makes it simple to deploy and maintain and upgrade, saving businesses even more time and IT costs.
DECT technology: Yealink DECT technology focuses on high-quality Audio VoIP (wideband) and bit-rate data applications. However, we are incompatible with third-party DECT devices (base station, handset, etc.).
Description as published on the Yealink W77P product page and in the official W77P datasheet.
Ruggedized DECT handset
The W57R handset carries an IP54 protection rating: it can secure itself from a fall of up to 3.5 meters, water splashing in any direction, and dust ingress.
A vibration alarm means you are guaranteed not to miss any calls, even in noisy and stressful situations — and alarm functions include push-button, no-movement and man-down/running.
Protected against water splashing from any direction.
Sealed against the dust that kills ordinary handsets.
Survives a fall of up to three and a half metres.
Noise Reduction System
New Noise Cancellation technology and FNR (Flexible Noise Reduction) keep speech intelligible where the background is not. W77P consistently delivers excellent and professional audio quality in both high-bandwidth and poor network conditions.
Combining DECT technology with SIP capabilities brings seamless call management — and you can talk on the phone while walking, with up to 50 metres of coverage indoors and 300 metres outdoors.
Talk on the phone while walking — up to 50 metres of coverage indoors and 300 metres outdoors.
Full SIP feature set, phonebook and call history in hand.
Take the call wherever the work actually happens.
Up to 10 handsets on one base, 20 calls at once.
Zero Touch Provisioning
W77P supports efficient provisioning and effortless mass deployment with Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism, so you can realize Zero Touch Provisioning without any complex manual settings.
Auto-provision via TFTP/FTP/HTTP/HTTPS/RPS or PnP, over-the-air handset upgrades, and configuration from browser, phone or provisioning server — simple to deploy, easy to maintain and upgrade.
Security
Transport Layer Security, SRTP (RFC3711), HTTPS for both server and client, digest authentication, and secure configuration files via AES encryption.
Open VPN, SHA256/SHA512/SHA support and a three-level configuration mode (Admin / Var / User) keep the base and every handset on it locked down.
Key features and benefits as published in the official Yealink W77P datasheet.
Full technical specification for the Yealink W77P DECT phone system.
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| Management |
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| Audio Features |
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| Network Features |
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| Security |
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| DECT |
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| Interface |
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| Physical Features |
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| Package Features |
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Specifications as published in the official Yealink W77P datasheet.