General
Manufacturer	Yealink
Model	Yealink SIP-T48U
Manufacturer Part No	SIP-T48U
Compatible Country	Middle East, Africa, Iran, Dubai
Country of Origin	China

Yealink SIP-T48U Gigabit IP Phone Without Adapter

Name: Yealink SIP-T48U Gigabit IP Phone Without Adapter
Brand: Yealink
SKU: SIP-T48U
Availability: OutOfStock
Rating: 4 (1 reviews)

Brand: Yealink
Model: Yealink SIP-T48U
Availability: Call For Price

Part No: SIP-T48U
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The Yealink T48U Gigabit IP phone is the flagship device in the new Yealink T4U series of phones, offering the ultimate range of features, functionality and performance.

The premium look of the Yealink T48U is encapsulated in the 7” colour touch screen, which not only looks great but also adds great practical value when receiving and managing calls.

The T48U comes standard with two USB port which expands the number of accessories available for use with the phone. Support for a USB flash drive enables call recording directly from the T48U, while the addition of the WF50 USB Wi-Fi dongle simplifies cable-free connections.

The Yealink T48U supports dual firmware images, meaning you are protected from damage due to failed firmware upgrades in the future.

Turning the T48U into a high performing reception phone is as easy as adding up to three EXP43 expansion modules which make call handling quick and easy.

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.

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.

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Yealink SIP-T48U Gigabit IP Phone Without Adapter

Yealink SIP-T48U Gigabit IP Phone with Touch LCD and Dual USB Ports

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

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

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

Other Physical Features

Color: Classic Grey
Wall mountable (optional)
External Yealink AC adapter (optional): AC 100~240V input and DC 5V/2A output
USB output currency: 5V 1A
Power consumption (PSU): 1.8-3.8W
Power consumption (PoE): 2.3-4.7W
Dimension (W*D*H*T): 266mm*226mm*185mm*54mm
Operating humidity: 10~95%
Operating temperature: -10~50°C (+14~122°F)

Management

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

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

Package Features

Package content:
- Yealink SIP-T48U IP phone
- Handset with handset cord
- Ethernet Cable (2m CAT5E UTP Cable)
- Stand - Quick Start Guide
- Power Adapter (Optional)
- Wall Mount Bracket (Optional)
Qty/CTN: 5 PCS
N.W/CTN: 7.9 kg
G.W/CTN: 8.4 kg
Giftbox size: 324mm*263mm*128mm
Carton Meas: 660mm*338mm*273mm
Gtin number: 6938818301665

Download Yealink SIP-T48U Datasheet

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General
Manufacturer	Yealink
Model	Yealink SIP-T48U
Manufacturer Part No	SIP-T48U
Compatible Country	Middle East, Africa, Iran, Dubai
Country of Origin	China