Yealink SIP-T48U

Revolutionary IP Phone

Availability: In Stock

Brand New Includes One Year Warranty
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$329.00
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  • Technical Features

Technical Features for Yealink SIP-T48U

Product # SIP-T48U

The Yealink-SIP-T48U is designed for busy executives and professional. It has large touch screen that makes the switch between pages and applications swift, easy and convenient.The Yealink Optima HD Voice technology and wideband codec of Opus gives the superb audio quality and crystal-clear voice communications. This phone is accompanied by two USB ports, the phone 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. The T4U series supports efficient provisioning and effortless mass deployment with Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism that help to realize the Zero Touch Provisioning without any complex manual settings. This series uses SIP over Transport Layer Security (TLS/SSL), which is the latest network security technology.
Factory Information:
Quick Start Guide

Yealink-SIP-T48U Features:

  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • 16-Line Operation
  • Caller ID
  • 7" 800 x 480-Pixel Color Touch Screen With Backlight
  • 1000 Station Phone Directory / Dialer
  • Intercom / Call Transfer
  • 10-Way
  • Volume Control
  • Voicemail Compatibility
  • Dual Color LED Status Lights
  • IEEE 802.3af Power over Ethernet (PoE) Support
  • Optional AC Adapter (Not Included)
  • Softkeys
  • Call Transfer
  • One-Touch Speed Dial
  • Anonymous Call Rejection
  • Call Forwarding
  • 6 Navigational Keys
  • 7 Programmable Line / Feature Keys
  • Mute
  • Auto Answer
  • Dual-port Gigabit Ethernet
  • High Definition Audio Technology
  • 16 SIP Accounts
  • Full-Duplex Hands-Free Speakerphone

  • 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
  • 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

  • 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

  • IP-PBX Features
  • Busy Lamp Field (BLF)
  • Bridged Line Apperance (BLA)
  • Anonymous call, anonymous call rejection
  • Hot-desking, voice mail
  • Flexible seating
  • Call park, call pickup
  • Executive and Assistant
  • Centralized call recording
  • Call recording
  • Visual voice mail

  • 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 1.3)
  • HTTPS certificate manager
  • AES encryption for configuration file (AES256)
  • Digest authentication using MD5/MD5-sess
  • OpenVPN, IEEE802.1X , L2TP VPN
  • IPv6
  • LLDP/CDP/DHCP VLAN
  • ICE

  • 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 feature keys: hold, transfer, message, headset, mute, redial, speakerphone
  • 6 navigation keys
  • Volume control keys
  • Illuminated mute key
  • Illuminated headset key
  • Illuminated hands-free speakerphone key

  • Other Physical Features
  • 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
  • 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

Includes
  • 1 x Yealink SIP-T48U IP phone
  • 1 x Handset with handset cord
  • 1 x Ethernet Cable (2m CAT5E UTP Cable)
  • 1 x Stand
  • 1 x Quick Start Guide
The Yealink SIP-T48U Revolutionary IP Phone has many exciting features for users of all types. It's one of FactoryOutletStore's best selling Wi-Fi Enabled Phones. You can extend the lifetime of your Yealink SIP-T48U Revolutionary IP Phone with the purchase of a FactoryOutletStore Factory Protection Plan. See the Yealink SIP-T48U Revolutionary IP Phone gallery images above for more product views. FactoryOutletStore stocks a full line of accessories like Yealink EHS40 Wireless Headset Adapter and Yealink EXP43 Color Expansion Module for the Yealink SIP-T48U Revolutionary IP Phone. The Yealink SIP-T48U Revolutionary IP Phone is sold as a Brand New Unopened Item.

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