Yealink SIP-T73U IP Phone

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
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
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
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