Yealink Device Comparison of IP Phones Appearance between W77P and SIP- T30P and SIP-T44W

Key Features and Benefits

Keywords

Twenty Simultaneous Calls，IP54，HD Audio ，TLS&SRTP Security Encryption，Backup System，Centralized Deployment，Quick Charge，Vibration Alarm，OTA Upgrade，Long Standby Time

Stronger Performance, More Possibilities，Superior HD Audio, Better Communication，Classic Design, Practical Details，All-in-One Platform, Convenient Management

•Easy Customization and High Expansibility •HD Audio •Wireless Transmission •Efficient Installation and Provisioning •Secure Transport and Interoperability

Key Features

• High-performance SIP cordless phone system • 1.8" 128 x 160 TFT color screen with intuitive user interface • Ruggedized DECT handset with IP54 protection rating • Up to 20 simultaneous calls • Up to 10 DECT cordless handsets • Up to 10 SIP accounts • Noise Reduction System • FNR (Flexible Noise Reduction)/Noise Cancellation • Up to 40-hour talking time • Up to 575-hour standby time • Quick charging: 10-minute charging time for 2-hour talking time • TLS and SRTP security encryption • Vibration alarm guarantees you do not miss any call, even in noisy situations • Wall mountable charger • Maximum DECT radio coverage: 50 meters indoors, 300 meters outdoors • Energy-saving ECO features • 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.).

• Yealink HD Voice • 2.3” 132x64-pixel graphical LCD • Two-port 10/100M Ethernet Switch • PoE support • One SIP account • Local 5-way conferencing • Support EHS Wireless Headset • Unified Firmware • Support YDMP/YMCS • Stand with 2 adjustable angles • Wall mountable

• 2.8” 320x240-pixel color LCD with backlight • Dual USB ports • Dual firmware images • Built-in Bluetooth 4.2 • Built-in dual band 2.4G/5G Wi-Fi (802.11a/b/g/ n/ac) • T4U Auto-P template unified • T4U firmware unified • Up to 12 SIP accounts • PoE support • USB headset and EHS support • Supports color-screen expansion modules • Stand with 2 adjustable angles • Wall mountable • Handset with hall switch

Overview

Content Sharing

-

√

Camera

-

Operating System

Linux Based

Interface

LCD Display

2.3” 132x64-pixel graphical LCD

2.8” 320x240-pixel color LCD with backlight

LCD Type

Fixed

Mi

LED Indicators

√

LED for call and message waiting indication

Line Keys

0

8 line keys with LED

Memory Keys

0

Expansion Module/Microphone (Accessory, purchased separately)

-

Dual-port Gigabit Ethernet • Power over Ethernet (IEEE 802.3af), Class 3 • 2 x USB port (2.0 compliant) • 1 x RJ9 (4P4C) handset port • 1 x RJ9 (4P4C) headset port

Foot Stand

2 Adjustable Aangles

Stand with 2 adjustable angles

Audio Features

HD Voice

HD handset, HD speaker

Speakerphone

Full-duplex

Full-duplex hands-free speakerphone with AEC

Wideband Codec

G.722, Opus

AMR-WB (optional), G.722

Narrowband Codec

G.711(A/µ), G.729, G.729A, G.726, iLBC, G.723.1

AMR-NB (optional), PCMU

HAC Handset

-

Hearing aid compatible (HAC) handset

Acoustic Shield

-

√

Yealink Noise Proof

-

√

Video Features

Video Resolution

-

Video Codecs

-

Connectivity

USB Port (2.0 Compliant)

-

2 x USB port (2.0 compliant)

Ethernet Port

2 x RJ45 10/100M Ethernet ports

Ethernet Cable (2m CAT5E UTP Cable)

Handset Port (RJ-9)

√

1 x RJ9 (4P4C) handset port

Headset Port (RJ-9)

√

1 x RJ9 (4P4C) headset port

PoE

√

2.0W - 5.2W

Headset

EHS Wireless Headset

Bluetooth headsets USB headset

Bluetooth

-

USB/Bluetooth connectivity

Wi-Fi

-

√

HDMI

-

Wall Mountable

√

Corded-Cordless Phone

-

Door Phone Integration

-

Telephony Features

SIP Accounts

1

Up to 12 SIP accounts

N-way Conferencing

Local 5-way Conferencing

5-way conference call

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