Detailed Specifications
YEALINK 1301012 SIP-T73U Business IP Phone
Overview :
[This offering is a multifunctional business IP phone featuring a vibrant 2.8-inch color display and physical line keys. It is deployed by enterprise IT administrators and telephony procurement teams to deliver reliable, high-performance desktop communication. The device removes operational barriers by combining advanced telephony features with modern USB connectivity and enhanced hardware security.
Technical coverage provides direct access to ultra-high-definition voice performance, Acoustic Shield technology, and smart noise filtering to eliminate background interference in busy office environments. It is deployed across enterprise offices, corporate workspaces, and front desks utilizing standard SIP infrastructure.
Compatibility is bound to enterprise SIP platforms, IP PBX networks, and the broader Yealink headset and expansion module ecosystem. This hardware unit should NOT be applied to unsupported legacy analog setups or unverified non-SIP communication environments.]
Key Features :
2.8-inch (320 x 240 pixel) color display with backlight
Supports up to 12 independent SIP accounts
Built on Linux 6.1 with a TEE hardware encryption solution
Yealink Optima HD Voice, Acoustic Shield, and Smart Noise Filtering technologies
Built-in USB 2.0 port for local USB recording, USB headsets, or Wi-Fi/Bluetooth dongles
Supports up to 40 programmable line keys via page turning and EXP55 color-screen expansion modules
Dual-port Gigabit Ethernet switch with integrated Power over Ethernet (PoE) support
Specifications :
| Specification | Value |
| Brand | YEALINK |
| Part Number | 1301012 |
| Product Type | Business IP Phone |
| Model Name | SIP-T73U |
| Display Size & Type | 2.8-inch Color LCD with Backlight |
| Display Resolution | 320 x 240 pixels |
| Operating System | Linux 6.1 |
| SIP Accounts | Up to 12 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) | IEEE 802.3af Class 2 |
| Deployment Environment | Enterprise Desktops / Office Workspaces |
| Lifecycle Phase | Active Business Communication Terminal |
| Geographic Availability | Global Standard Distribution |
