Yealink Device Comparison of IP Phones Appearance between SIP- T48U and SIP-T44W and W80

Key Features and Benefits

Keywords

Yealink presents a dynamic business communication solution to executives and professionals with the new SIP-T48U IP phone. The phone employs an appealing large touch screen that makes the switch between pages and applications swift, easy and convenient.

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

• No Perception Upgrade • Sync Level1 Base Backup • Headsets Registration • Security & Stability • Advanced DECT Contacts • Efficient Provisioning & Unified Management • Easy Setup and Deployment • Compatible with Multiple Devices

Key Features

• 7" 800 x 480-pixel color touch screen with backlight • Dual USB ports • Dual firmware images • T4U Auto-P template unified • T4U firmware unified • Up to 16 SIP accounts • Dual-port Gigabit Ethernet • PoE support • Paperless label design • Headset, EHS support • Wi-Fi via WF40/WF50 • Bluetooth via BT40/BT41/BT52 • USB recording • Supports color-screen expansion modules • Stand with two adjustable angles • Wall mountable • Handset with hall switch

• 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

• Seamless handover and roaming •Up to 100 parallel calls •Up to 30 base stations •Up to 100 handsets • Up to 100 SIP accounts • Support XML/LDAP/Remote Phonebook • Support Xsi Directory • DECT radio coverage up to 50 m indoors and 300 m outdoors • Support IPv6 • Support PoE • DECT Technology: Yealink DECT technology focuses on high-quality Audio VoIP (wideband) and low-bit-rate data applications. However, we are incompatible with third-party DECT devices (base station, handset, etc.). • Compatible with Yealink W56H/W53H (version x.85.0.45 or later), W73H (version 116.85.0.25 or later), W78H (version 16.85.0.5 or later), CP930W (version 87.85.0.45 or later), W59R (version 115.85.0.45 or later), W57R (version 118.85.0.5 or later), CP935W (version 149.86.0.10 or later), T54W+DD10K (version 96.85.0.95 or later) and DD Phone (version 66.84.0.115 or later)

Overview

Content Sharing

-

√

Camera

-

Operating System

Linux Based

Interface

LCD Display

7" 800 x 480-pixel color touch screen

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

29 touch keys

Expansion Module/Microphone (Accessory, purchased separately)

Yealink EXP43

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 Angles

Stand with 2 adjustable angles

Audio Features

HD Voice

HD Speaker,HD Handset

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.729A/B, G.726,G.723.1, iLBC, Opus

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

2 x USB port (2.0 compliant)

Ethernet Port

Dual-port Gigabit Ethernet

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

USB Headset

Bluetooth headsets USB headset

Bluetooth

√ (via BT40/BT41)

USB/Bluetooth connectivity

Wi-Fi

√ (via WF40/WF50)

√

HDMI

-

Wall Mountable

√

Corded-Cordless Phone

-

Door Phone Integration

-

Telephony Features

SIP Accounts

16

Up to 12 SIP accounts

N-way Conferencing

10-way Conferencing

5-way conference call

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