Detailed Specifications
YEALINK 1301222 - SIP-T74U Ultra Business IP Phone
Overview :
[This offering is a high-end color screen business IP phone engineered specifically for enterprise executives and professionals.It is deployed by enterprise IT administrators and telephony procurement teams to deliver high-performance desktop communication and modern workspace flexibility.The device removes operational barriers by combining advanced telephony capabilities with enhanced hardware security and streamlined expansion support.
Technical coverage provides direct access to ultra-high-definition audio performance, Acoustic Shield technology, and smart noise filtering to eliminate background interference in active office environments. It is deployed across corporate offices, executive suites, and enterprise workspaces utilizing standard SIP infrastructure.
Compatibility is bound to enterprise SIP platforms, IP PBX networks, color-screen expansion modules (such as EXP55), and the broader Yealink headset ecosystem. This hardware unit should NOT be applied to unsupported legacy analog setups or unverified non-SIP communication environments.]
Key Features :
4.3-inch (480 x 272 pixel) high-definition TFT color screen with backlight
Supports up to 16 independent SIP VoIP accounts
Built on Linux 6.1 with a TEE hardware encryption solution and dual system backup
Yealink Optima HD Voice, Acoustic Shield, and Smart Noise Filtering technologies
Hall switch handset design for a quieter, more durable office experience
Upgraded 3W speaker for professional-grade loudness and audio clarity
USB 2.0 port supporting USB headsets, flash drives for local call recording, and optional wireless dongles
Supports up to 50 DSS keys via multi-page line keys and up to 180 keys via cascading EXP55 color expansion modules
Specifications :
| Specification | Value |
| Brand | YEALINK |
| Part Number | 1301222 |
| Product Type | Ultra Business IP Phone |
| Model Name | SIP-T74U |
| Display Size & Type | 4.3-inch TFT Color LCD with Backlight |
| Display Resolution | 480 x 272 pixels |
| Operating System | Linux 6.1 |
| SIP Accounts | Up to 16 Accounts |
| Audio Technologies | Optima HD Voice, Acoustic Shield, Smart Noise Filtering |
| Interface Ports | Dual-Port Gigabit Ethernet, 1x USB-A 2.0, 2x RJ9 Handset/Headset |
| Power Over Ethernet (PoE) | Supported (IEEE 802.3af Class 2) |
| Deployment Environment | Enterprise Desktops / Executive Workspaces |
| Lifecycle Phase | Active Business Communication Terminal |
| Geographic Availability | Global Standard Distribution |
