Yealink SIP-T73U IP Phone
The Yealink SIP-T73U is a modern, reliable entry-to-mid-level desk phone designed for professionals seeking a fashionable, compact solution with excellent security and clear audio. Featuring a slimmer body, 2.8-inch color display with backlight, touchable buttons, and a stand with two adjustable angles, the T73U delivers a comfortable, contemporary look and feel perfect for any office environment.
The SIP-T73U supports up to 12 VoIP accounts with professional-grade, noise-filtered audio powered by Acoustic Shield, Smart Noise Filtering, and a 3W speaker. It offers robust Three Rings of Security with Trusted Execution Environment, USB support for headsets/recording/expansion, and seamless integration. Fully compatible with Cloud One Business Communication Suite and major VoIP platforms for secure, future-proof communication.
Yealink SIP-T73U details
Technical Specifications
User Interface
- 2.8-inch 320 × 240 resolution color display with backlight
- Stand with 2 adjustable angles for optimal viewing
- Intuitive interface with icons, soft keys, and touchable buttons
- Caller ID with name/number
- LED indications for calls and message waiting
- Supports dark/light themes and Accessibility Mode
Basic Features
- Up to 12 VoIP accounts
- One-touch speed dial, hotline, mute, DND
- Call hold, transfer, conference, park, pickup
- Auto-answer, redial, call return, custom ringtones
- Date/time display
Connectivity
- Dual-port Gigabit Ethernet with PoE support
- USB port for headsets, EHS, recording, and accessories
- Supports optional Wi-Fi (WF50) and Bluetooth (BT41) dongles
- Supports color-screen expansion modules (e.g., EXP55)
- Headset and EHS compatibility
Audio Features
- HD voice with wideband codecs (including G.722, Opus support in series)
- Acoustic Shield for optimized noise reduction
- Smart Noise Filtering with intelligent noise cancellation
- 3W full-duplex hands-free speakerphone with professional audio quality
- Audio enhancement technologies (AEC, VAD, CNG, etc.)
Advanced Features
- Three Rings of Security: Core Ring (Trusted Execution Environment, secure boot, firmware encryption), Shield Ring (802.1X, WPA3), Guard Ring (TLS 1.3, SRTP)
- Linux-based OS with enhanced performance and TEE hardware encryption
- BLF, visual voicemail, centralized recording support
- Secure encryption and auto-provisioning
- Remote management and SIP protocol features
- NAT traversal, QoS, power-saving mode
Box Contents
Your Yealink SIP-T73U box comes with:
Your Desk Phone
- Yealink SIP-T73U IP phone console
- Handset with cord
Accessories
- Adjustable phone stand
- Wall-mount bracket
- Quick start guide
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