YEALINK SIP-T48U DUAL PORT GIGABIT VOIP IP SIP PHONE

A Revolutionary SIP Phone with a 7-inch Touch Screen

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. United Yealink Optima HD Voice technology and wideband codec of Opus,  the T48U 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.

Key Features and Benefits

Easy Customization and High Expansibility

The SIP-T48U has a seven-inch, 800 x 480-pixel, backlit- color touch screen, which enables a rich visual  presentation and easy navigation. Accompanied by two USB ports, the T48U is your right-hand man in the office  that makes Bluetooth, Wi-Fi, USB headset and USB recording possible, and you can use any two of them freely  according to your needs to enrich phone features. Meanwhile, the phone not only has 29 one-touch DSS keys that  can be easily programmed to various features, but also can connect up to three expansion modules, for up to 180  additional buttons with a screen-based LCD display and LED system

HD Audio

Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for  maximum acoustic performance. Being a totally open, highly versatile audio codec, Opus, is designed to perform  a higher HD audio quality than other wideband codecs in a high network bandwidth; However, if your current  network quality is poor, Opus can provide you with a better audio quality than other narrowband codecs. And its  hearing aid compatible (HAC) handset helps the person who is with hearing loss to hear the voice more clearly

Efficient Installation and Provisioning

Yealink T4U series 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, which makes the T4U series simple to deploy, easy to maintain and upgrade.  Furthermore, a unified firmware and auto-p template that applies to all T4U phone models, saves even more time  and costs for businesses, as well as simplifies the management and maintenance.

Secure Transport and Interoperability

Yealink T4U series uses SIP over Transport Layer Security (TLS/SSL), which is the latest network security  technology. It’s also compatible with leading soft switch suppliers, such as 3CX, Broadsoft Broadworks.  Moreover, it is carried with dual fimrware images that gives you a enterprise-level protection to avoid  bricking your system once upgrade failed.

YEALINK EXP43 COLOR EXPANSION MODULE

The Yealink EXP43 Dual Color Expansion Module for Yealink T43U/T46U/T48U IP phones, is designed to expand the  functional capability of your SIP phone to a whole new level. It features a large 4.3-inch color-screen LCD,  giving you a vivid visual experience. In addition, it provides you with a simple user interface and advanced  call handling capabilities. For example, three pages of 20 flexible button shown on the display can be  programmed up to 60 various features. The functionality of Yealink T43U/T46U/T48U IP phones will also be  extended by the EXP43, you can set the provided multifunctional line keys as BLF, speed dial, call forward,  transfer, call park, call pickup, etc. The Yealink EXP43 Color Expansion Module is an ideal solution for  receptionists, administrative assistants and contact center workers and gives you the ability to monitor  contacts and manage a large volume of calls with ease.

Key Features and Benefits

User-friendly Structure Design

With a 4.3-inch color screen, the Yealink EXP43 expansion module is intended to bring a fresh visual experience  and an easy operating experience to you. Its new design for the Stand enables you to adjust between two lying  angles easily even without disassembling it. To ensure a higher reliability of data transmission and a higher  speed of data refresh, a USB cable is chosen to connect EXP43 expansion module to Yealink T43U/T46U/T48U IP  phones. Moreover, after the connection between the expansion module and the IP phone is establish, the  remaining USB port on the back of EXP43 can also be used to realize the phone’s extended functions, for  example, call recording via USB flash drive, etc.

Intuitive Visualization

A 4.3-inch 272x480-pixel color screen greatly enriches your visual experience. The color icons for DSS keys,  the feature of Wallpaper and Screensaver, all of these offer you a new operating experience as well as allow  you to custom the EXP43 in your own style. More than that, its 3 independent control buttons with illuminated  LED are used for fast switching to the corresponding page

High Expansibility

The Yealink T43U/T46U/T48U IP phones can be fully equipped with up to three EXP43 Color Expansion Modules,  while adding 180 additional buttons at most. Three pages of 20 flexible buttons with dual-color LED shown on  the display can be programmed up to 60 various features for speed dialing, BLF/BLA, call forward, transfer,  etc. Thus, it will help you effectively manage high volume of concurrent calls, effortlessly monitor calls and  greatly boost personal productivity.



YEALINK SIP-T48U DUAL PORT GIGABIT VOIP IP SIP PHONE:

• AUDIO FEATURES:
  • HD voice: HD handset, HD speaker
  • Hearing aid compatible (HAC) handset
  • Acoustic Shield
  • Smart Noise Filtering
  • 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
  • 10-way conferencing
  • Direct IP call without SIP proxy
  • 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) for:
      - Bluetooth earphone through BT40/BT41
      - Contact synchronization through BT40/BT41
      - Simultaneous connection of one headset and one mobile phone through BT40/BT41
      - Wi-Fi through WF40/WF50
      - USB call recording through USB flash drive
      - USB headset
      - Expansion Module EXP43
      - Wireless Headset Adapter EHS40
  • USB/Bluetooth connectivity to Yealink CP900/CP700 speakerphone, USB connectivity to Yealink UH36 headset:
      - Basic functions: Answer / end, call mute
      - Enhanced function: audio optimization, redial, call hold, volume synchronization, multiple  calls control
  • Enhanced DSS key
  
  
• DIRECTORY FEATURES:
  • Local phonebook up to 1000 entries
  • Black list
  • XML/LDAP remote phonebook
  • Smart dialing
  • Phonebook search/import/export
  • Call history: dialed/received/missed/forwarded
  
  
• IP-PBX FEATURES:
  • Busy Lamp Field (BLF)
  • Bridged Line Apperance (BLA)
  • Anonymous call, anonymous call rejection
  • Hot-desking, voice mail
  • Flexible seating
  • Executive and Assistant
  • Call park, call pickup
  • Centralized call recording, call recording
  • Visual voice mail
  
  
• DISPLAY AND INDICATOR FEATURES:
  • 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
  
  
• MANAGEMENT FEATURES:
  • Configuration: browser/phone/auto-provision
  • Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy
  • Auto-provision with PnP
  • Zero-sp-touch, TR-069
  • Phone lock for personal privacy protection
  • Reset to factory, reboot
  • Package tracing export, system log
  
  
• NETWORK AND SECURITY FEATURES:
  • SIP v1 (RFC2543), v2 (RFC3261)
  • Call server redundancy supported
  • NAT traversal: STUN mode
  • Proxy mode and peer-to-peer SIP link mode
  • IP assignment: static/DHCP
  • HTTP/HTTPS web server
  • Time and date synchronization using SNTP
  • UDP/TCP/DNS-SRV(RFC 3263)
  • QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
  • SRTP for voice
  • Transport Layer Security (TLS)
  • HTTPS certificate manager
  • AES encryption for configuration file
  • Digest authentication
  • OpenVPN, IEEE802.1X
  • IPv6
  • LLDP/CDP/DHCP VLAN
  • ICE

YEALINK EXP43 COLOR EXPANSION MODULE:

• DISPLAY FEATURES:
  • 4.3" 272x480-pixel color display with backlight
  • 16 bit depth color
  • Three page views are possible
  • Different color icons for each function shown on the LCD
  
  
• FEATURES KEYS AND INDICATOR:
  • 20 physical keys each with a dual-color LED
  • 40 additional keys through page switch
  • 3 independent control keys with illuminated LED are used for fast switching pages
  • Programmable for shared line, BLF List, call park, conference, forward, group pickup, group listening, LDAP,  XML Browser...
  
  
• STANDARD FEATURES:
  • Wallpaper, screensaver, power saving
  • Stand with 2 adjustable angles
  • For support of two or three Expansion Modules, an external Yealink power adapter (5V/2A) is required.
  • Up to three EXP43 can be attached on Yealink T43U/T46U/T48U IP phones
  • USB port (2.0 compliant) for data in and out
  • USB port (2.0 compliant) for:
      - Optional Wired/Wireless USB headset
      - Wi-Fi through Optional WF40/WF50 USB Dongles
      - USB Call Recording through Optional USB Flash Drive

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EACH YEALINK SIP-T48U DUAL PORT GIGABIT VOIP IP SIP PHONE INCLUDES:

(1) Yealink SIP-T48U IP phone
(1) Handset with handset cord
(1) Ethernet Cable (2m CAT5E UTP Cable)
(1) Stand
(1) Quick Start Guide

EACH YEALINK EXP43 COLOR EXPANSION MODULE INCLUDES:

(1) Stand
(1) Connecting Sheet
(1) USB Cable
(1) Screwdriver
(4) Screws
(1) Quick Start Guide

• BRAND NEW FROM THE FACTORY
• FACTORY SEALED MANUFACTURER'S RETAIL BOX(ES) / PACKAGING

• 1 YEAR PARTS AND LABOR (U.S. Warranty) FROM MANUFACTURER 
• MANUFACTURER'S Warranty covers Repair or Replacement of defective product.
• MANUFACTURER'S Warranty does not cover damage resulting from accident, abuse, acts of God  or improper operation.

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