Yealink SIP-T48U SIP Phone

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
• HD Audio
• Efficient Installation and Provisioning
• Secure Transport and Interoperability
• 7-inch Touch Screen
• Optima HD Voice
• Dual USB Ports
• Acoustic Shield
• Unified Firmware
• Expansion Module
• Opus Codec
• Yealink Malaysia
• 3 years warranty

Specifications

• 7″ 800 x 480-pixel color touch screen with backlight
• Opus codec support
• Dual USB ports
• 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
• USB recording
• Supports expansion modules
• Stand with two adjustable angles
• Wall mountable

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, SMS, emergency call
• Redial, call return, auto-answer
• 3-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)
• 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

Directory

• Local phonebook up to 1000 entries
• Blacklist
• 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 Appearance (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 and number
• 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
• 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone
• Volume control keys
• Illuminated mute key
• Illuminated headset key
• Illuminated hands-free speakerphone key