Yealink SIP-T48U Guide

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Welcome to the SIP-T48U guide App

The Yealink SIP-T48U IP Phone presents a dynamic business communication solution to executives and professionals. The Yealink SIP-T48U employs an appealing large touch screen that makes the switch between pages and applications swift, easy and convenient. The T48U is built with United Yealink Optima HD Voice technology and wideband codec of Opus, which awards you the superb audio quality and crystal-clear voice communications. Moreover, the T48U puts dual USB ports in a phone that makes Bluetooth, Wi-Fi, USB headset, and USB recording come true, and you can use any two of them freely according to your needs. The Yealink new T4U series offers the same elegant appearance as the T4 line, but with improvements for greater interoperability and better collaboration.

CONDITION

Brand New - A brand-new, unused, unopened, undamaged item in its original packaging.

WARRANTY

This item comes with 12-month manufacturer's warranty.

FEATURES

• 7" 800 x 480-pixel color touch screen with backlight

• Opus codec support

• Dual USB ports

• Dual firmware images

• T42U (pending)/T43U/T46U/T48U Auto-P template unified

• T42U (pending)/T43U/T46U/T48U 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

• USB recording

• Supports color-screen expansion modules

• Stand with two adjustable angles

• Wall mountable (optional)

• Power Adapter (Optional)

SPECIFICATIONS

Audio Features

• HD voice: HD handset, HD speaker

• Hearing aid compatible (HAC) handset

• Acoustic Shield

• Codecs: AMR-WB (optional), AMR-NB (optional), Opus, G.722, G.711(A/μ), G.723.1, G.729AB, G.726, iLBC

• DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO

• Full-duplex hands-free speakerphone with AEC

• VAD, CNG, AEC, PLC, AJB, AGC

Phone Features

• 16 VoIP accounts

• Call hold, mute, DND

• One-touch speed dial, hotline

• Call forward, call waiting, call transfer

• Group listening, emergency call

• Redial, call return, auto answer

• 3-way conferencing

• Ring tone selection/import/delete

• Set date time manually or automatically

• Dial plan, XML Browser, action URL/URI

• RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)

• USB port (2.0 compliant)

- Bluetooth earphone through BT40/BT41

- Contact synchronization through BT40/BT41

- Wi-Fi through WF40/WF50

- USB call recording through USB flash drive

- USB headset

- Expansion Module EXP43

- Wireless Headset Adapter EHS40

• Enhanced DSS key

Display and Indicator

• 7" 800 x 480-pixel color touch screen with backlight

• 24 bit depth color

• LED for call and message waiting indication

• Wallpaper

• Intuitive user interface with icons and soft keys

• Multilingual user interface

• Caller ID with name, number and photo

• Screensaver

• Power saving

Feature keys

• 29 one-touch DSS keys

• 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone

• 6 navigation keys

• Volume control keys

• Illuminated mute key

• Illuminated headset key

• Illuminated hands-free speakerphone key

Interface

• 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

WHAT'S INCLUDED

• Telephone base

• Hand piece

• Curly Cord

• Patch Lead

• Telephone Stand

• User Guide