• Yealink T48S VoIP/SIP Phone (SIP-T48S), 16-Lines w/ 2 x Gigabit Ports, PoE, 7-Inch Colour Touchscreen Display

The Yealink T48S VoIP/SIP Phone is an elegantly designed IP phone for executives and busy professionals. The large, 7” coloured touchscreen provides rich visual presentation and simple navigation through a wealth of productivity enhancing features. The Yealink T48S VoIP/SIP Phone is certified compatible with 3CX, Asterisk and BroadSoft BroadWorks and many more IPPBX and hosted platforms, making it the ideal choice for busy managers.

Key Features

  • 7” 800 x 480-pixel colour touchscreen with backlight.
  • Dual-port 10/100/1000 Gigabit Ethernet.
  • Support for up to sixteen (16) SIP accounts.
  • Supports Bluetooth Headsets and WiFi dongle.
  • T4S Unified firmware and auto-provisioning.
  • HD Voice: HD Codec, HD speaker, HD handset.
  • Local phone book up to 1000 entries (search/import/export features).
  • Integrated stand with two (2) adjustable angles.
  • RJ9 Headset port compatible with a range of headsets.
  • USB port (supports Bluetooth headset via USB dongle).
  • Intuitive user interface with icons and soft keys.
  • Certified compatible with 3CX, Asterisk and Broadsoft Broadworks.
  • PoE support or PSU (optional - not included).

Audio Features

  • HD voice: HD handset, HD speaker
  • Hearing aid compatible (HAC) handset
  • Codecs: 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

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
  • 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, Wi-Fi through
  • WF40, USB call recording through USB flash drive
  • Enhanced DSS key


  • 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
  • Call park, call pickup
  • Executive and Assistant
  • Centralized call recording
  • Visual voice mail
  • Call recording

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


  • Dual-port Gigabit Ethernet
  • Power over Ethernet (IEEE 802.3af),class 3
  • 1 x USB port (2.0 compliant)
  • 1 x RJ9 (4P4C) handset port
  • 1 x RJ9 (4P4C) headset port
  • 1 x RJ12 (6P6C) EXT port: Supports up to 6 Expansion Modules for an attendant console application

Other Physical Features

  • Wall mountable (optional)
  • External Yealink AC adapter (optional):
  • AC 100~240V input and DC 5V/2A output
  • Power consumption (PSU): 2.23-7.29W
  • Power consumption (PoE): 3.19-10.78W
  • Dimension (W x D x H x T):
  • 266mm x 226mm x 185mm x 54mm
  • Operating humidity: 10~95%
  • Operating temperature: -10~50C


  • Configuration: browser/phone/autoprovision
  • 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/PPPoE
  • HTTP/HTTPS web server
  • Time and date synchronization using SNTP
  • 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 using MD5/
  • MD5-sess
  • OpenVPN, IEEE802.1X
  • IPv6
  • ICE

Package Freatures

  • Package content:
  • Yealink SIP-T48S IP phone
  • Handset with handset cord
  • Ehernet Cable (2m CAT5E UTP Cable)
  • Stand
  • Quick Start Guide
  • Power Adapter (Optional)
  • Wall Mount Bracket (Optional)


  • WEEE Compliant
  • ROHS Compliant
  • Hearing Aid Compatible

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Yealink T48S VoIP/SIP Phone (SIP-T48S), 16-Lines w/ 2 x Gigabit Ports, PoE, 7-Inch Colour Touchscreen Display

  • Product Code: VOIP/T48S
  • In Stock Availability: In Stock
  • £229.13

  • Ex Vat: £190.94

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Tags: Yealink, T48S, VoIP, SIP, Phone, SIP-T48S, 16-Lines, Gigabit, Ports, PoE, 7-Inch, Colour, Touchscreen, Display