
Yealink SIP-T48U Executive Gigabit IP Phone, 7 inches Display (800 x 480 pixels), 16 SIP Accounts, Dual-port Gigabit Ethernet (10/100/1000 Mbps), PoE, Wi-Fi.
Yealink SIP-T48U Executive Gigabit IP Phone featuring a 7-inch display, 16 VoIP accounts, Optima HD voice, and Dual-port Gigabit Ethernet (10/100/1000 Mbps) for enterprise communication.
Product Overview
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. T48U gives you a quieter operation and environment. The United Yealink Optima HD Voice technology of the T48U offers you 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. The T4U series better builds the Yealink ecosystem and is compatible with more Yealink headsets, supporting intelligent channel switching* and using the phone to configure and upgrade headsets.*Only the BH76 headset supports the intelligent channel switching feature. Engineered for modern desktop communication, the SIP-T48U combines Yealink's renowned acoustic engineering with high-reliability enterprise telephony. Equipped with 16 VoIP accounts, a responsive 7-inch 800 x 480 capacitive touchscreen, and Optima HD audio, it ensures clear, distraction-free voice transmission. With integrated dual-band Wi-Fi, built-in Bluetooth, and dual Gigabit Ethernet ports with PoE, the SIP-T48U delivers exceptional productivity and seamless deployment across enterprise PBX and unified communications platforms.
Why Buy This Product
Expansive 7" Color Touchscreen
Vibrant capacitive color touchscreen makes call transfers, BLF monitoring, and directory searches fast and intuitive.
Dual USB Port Versatility
Connect USB headsets, Wi-Fi dongles, Bluetooth adapters, or flash drive recording simultaneously without port contention.
Optima HD Acoustic Shield
Acoustic Shield technology isolates speaker voices while muting distracting background office noise.
Dual Gigabit Network Speed
Dual Gigabit Ethernet ports provide high-speed PC passthrough while powering the phone via standard PoE.
Best for These Applications
Executive Desks & Directors
Leadership personnel wanting a sophisticated color touch terminal for executive communications.
Receptionists & Operators
Front-desk attendants managing high-volume call transfers with instant on-screen touch targets.
Executive Assistants
Administrative staff monitoring multiple executive lines, park slots, and priority transfer targets.
Call Center Team Leads
Supervisors monitoring queue status, agent presence, and one-touch coaching channels.
Key Advantages
- 16 SIP VoIP Accounts:Accommodates multiple direct lines and shared call appearances across complex organizations.
- EXP43 Expansion Module Support:Daisy-chain up to three EXP43 color expansion modules via USB to add up to 180 physical DSS keys.
- Dual-Firmware Redundancy:Enterprise dual-image firmware architecture prevents bricking during unexpected update power losses.
- Centralized Cloud Management:Full integration with Yealink YMCS/YDMP provides automated provisioning, diagnostics, and firmware upgrades.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 1.58 |
| Shipping Weight | 1.68 |
| Sip Lines | 16 |
| Sip Accounts | 16 |
| Display Type | 7-inch 800 x 480 Capacitive Touchscreen |
| Display Resolution | 800 x 480 pixels |
| Screen Size | 7 inches |
| Ethernet Ports | Dual-port Gigabit Ethernet (10/100/1000 Mbps) |
| Network Speed | 10/100/1000 Mbps Gigabit |
| Speakerphone | Full-Duplex Hands-Free Speakerphone with AEC |
| Headset Port | RJ9 Headset Port with EHS Support |
| Codec Support | G.722, AMR-WB, AMR-NB, G.711a/u, G.729AB, G.729A, G.729, G.726, iLBC, G.723.1 |
| Audio Conferencing | 10-way Local Audio Conferencing |
| Phonebook Capacity | 1000 Entries |
| Call History Records | 100 Records |
| Protocols | SIP v1 (RFC 2543), v2 (RFC 3261), IPv4/IPv6, TCP/IP/UDP, DHCP, DNS-SRV, SNTP, STUN |
| Security Protocols | SRTP, TLS 1.2 / TLS 1.3, HTTPS, 802.1x, OpenVPN, WPA2/WPA3, AES256 Encrypted Config |
| Power Supply | PoE (IEEE 802.3af Class 3) or Optional External 5V/2A DC Adapter |
| Mounting Type | Multi-Angle Desktop Stand / Wall-Mountable |
| Dimensions | 266 |
| Touch Screen | Yes |
| Poe | Yes |
| Poe Class | IEEE 802.3af Class 3 |
| Gigabit Ports | Yes |
| Wifi | Yes |
| Wifi Frequency | Dual-Band 2.4GHz & 5.0GHz (802.11a/b/g/n/ac) |
| Usb Ports | 2 x USB 2.0 Type-A/Type-C Ports |
| Usb Headset Supported | Yes |
| Dss Keys | 29 |
| Acoustic Shield | Yes |
| Smart Noise Filtering | Yes |
| Hearing Aid Compatible | Yes |
| Operating System | Linux Embedded |
| Expansion Module Supported | Yes |
| Max Expansion Modules | 3 |
| Hd Voice | Yes |
| Wall Mountable | Yes |
| Stock | 2 |
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