Yealink T48S IP Phone
The Yealink SIP-T48S is a premium business IP phone featuring a 7″ color touchscreen, Optima HD Voice, dual Gigabit Ethernet, up to 16 SIP accounts, expansion module support, USB connectivity, PoE, and broad PBX compatibility — ideal for executives and high-call-volume environments.
Description
Yealink SIP-T48S IP Phone — 7″ Touchscreen Gigabit VoIP Phone for Business
The Yealink T48S IP Phone is a premium, high-performance business desk phone designed for executives, receptionists, and professionals who demand superior communication experiences. With a large 7-inch color touchscreen, robust HD audio, and advanced telephony features, the T48S delivers a powerful and intuitive user experience for modern business environments.
Equipped with broad SIP protocol compatibility and dual Gigabit Ethernet ports, the T48S ensures seamless integration with IP-PBX systems, hosted VoIP platforms, and unified communication solutions. Its ergonomic design, customizable interface, and support for smart features such as Bluetooth and Wi-Fi via optional adapters make it ideal for enterprise offices, contact centers, and collaborative workspaces.
Whether used for high-volume calling, conferencing, or day-to-day business communication, the Yealink T48S combines premium hardware, flexible connectivity, and intelligent features to enhance productivity and streamline voice communication.
Key Features:
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Large 7″ Color Touchscreen: 800 × 480 pixel backlit display for rich graphical user interface and easy navigation.
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Optima HD Voice & Advanced Audio: Exceptional wideband audio quality with full-duplex speakerphone and HD handset/speaker.
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Multi-Line Support: Up to 16 SIP accounts for handling multiple extensions and lines.
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Gigabit Ethernet & PoE: Dual 10/100/1000 Mbps TX ports with Power over Ethernet (IEEE 802.3af) support.
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USB Expansion & Peripherals: Built-in USB 2.0 port supports Bluetooth (via BT40/BT41 dongle), Wi-Fi (via WF40/WF50 dongle), and USB call recording.
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Programmable Keys: Up to 29 one-touch DSS keys (programmable) for speed dial, BLF, or feature shortcuts.
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Expansion Module Support: Compatible with up to 6 × Yealink EXP40 modules for attendant console use.
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3-Way Conferencing: Local conferencing support for enhanced collaboration.
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Flexible Mounting: Desktop stand with adjustable angles and optional wall mount bracket.
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Wide PBX Compatibility: Works with major SIP-based systems such as 3CX, Asterisk, BroadSoft, and more.
Hardware & Technical Specs:
Display & UI:
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7″ 800 × 480 color touchscreen with backlight.
Accounts & Telephony:
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Supports up to 16 SIP accounts.
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HD voice with wideband codecs including Opus and G.722.
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Full-duplex speakerphone with AEC and noise suppression.
Network & Connectivity:
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Dual-Port Gigabit Ethernet: 2 × 10/100/1000 Mbps with PoE.
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USB 2.0 Port: Supports USB headsets, Bluetooth, Wi-Fi, and call recording.
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RJ9 Headset Port: Supports wired headsets and EHS adapters.
Audio & Media:
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Supports wide range of codecs: Opus*, G.722, G.711(A/µ), G.723.1, G.726, G.729AB, iLBC.
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Speakerphone enhancements: VAD, CNG, AEC, PLC, AJB, AGC.
Keys & Interface:
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29 one-touch DSS keys and feature keys (message, headset, hold, mute, transfer, redial, speaker).
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Navigation & Soft Keys: 6 navigation keys and 4 context-sensitive soft keys.
Power & Environmental:
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PoE Support: IEEE 802.3af (Class 0).
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Optional AC Adapter (sold separately).
Physical:
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Hearing Aid Compatible (HAC) handset.
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Wall mountable with optional bracket.
Security & Provisioning:
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VLAN QoS (802.1p/q), SIP v1/v2 (RFC 3261), NAT traversal (STUN), and secure provisioning (HTTPS)
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet
