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Yealink SIP-T48S VoIP phone, 7 inch color touch screen, black finish

Yealink Network Technology Co., Ltd

Yealink Network Technology Co., Ltd SIP-T48S VoIP phone 16 lines 7 inch 800 x 480 touch screen

SKU CH-MT92-E61B7

A 7-inch 800 x 480 touch-screen IP phone supporting 16 SIP lines and 29 DSS keys, powered by dual-port Gigabit Ethernet PoE

  • TypeTelephone
  • 16 SIP accounts for multi-line management
  • 7" 800 x 480 color touch screen for intuitive control
  • Dual-port Gigabit Ethernet for high-speed connectivity
  • 3af PoE support for simplified cabling
  • USB 2.0 port enables Bluetooth and Wi-Fi expansion

Executive desk phone

The Yealink SIP-T48S is a Gigabit IP phone built for executives and busy professionals who handle many simultaneous calls. It supports up to 16 SIP accounts and presents them on a 7-inch 800 x 480 colour touch screen with backlight. Yealink Optima HD Voice and Opus codec support at 8 kHz and 16 kHz sampling rates deliver clear, life-like audio for every conversation.

Touch interface and connectivity

A responsive touch panel replaces traditional buttons for faster navigation through menus and directories. The desk unit provides 29 one-touch DSS keys, 7 fixed feature keys and 4 context-sensitive soft keys alongside a 4-way navigation cluster. Dual-port Gigabit Ethernet passes network traffic through the phone, while a USB 2.0 port accepts optional Bluetooth or Wi-Fi dongles. An RJ9 headset jack is included and the chassis is wall-mountable for flexible placement.

Power and thermal profile

The phone draws power through 802.3af Power over Ethernet, eliminating a separate mains adapter in most installations; an optional AC adapter is sold separately. With no moving parts and a low-power design, the device runs silently and stays cool during continuous office use. Unified Auto-P provisioning and unified firmware across the T4S series simplify ongoing management for IT teams.

Highlights

  • 16 SIP accounts for multi-line management
  • 7" 800 x 480 color touch screen for intuitive control
  • Dual-port Gigabit Ethernet for high-speed connectivity
  • 3af PoE support for simplified cabling
  • USB 2.0 port enables Bluetooth and Wi-Fi expansion

Specifications

TypeTelephone

Questions about this item

Does the dual-port Gigabit Ethernet handle 802.3af PoE so I can skip a separate power adapter?

Yes, the phone is powered via 802.3af PoE through its dual Gigabit ports, so no AC adapter is required when your switch provides PoE.

What wall-mount spacing or bracket pattern does the SIP-T48S use?

The unit is wall mountable with a standard keyhole pattern; no special bracket is included, so use the two slots on the base to hang it on screws spaced for that pattern.

How do I provision the 16 SIP accounts, and what step do installers often miss?

Provision via the unified Auto-P template or web interface; the step often missed is entering each account's SIP credentials and assigning a DSS key before saving the configuration.

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