Description
The Yealink SIP-T73W Ultra Business IP Phone designed for executives who need a high‑performance desk phone with advanced audio, security, and connectivity features.
It combines a modern adjustable display, AI‑enhanced voice clarity, Wi‑Fi 6/Bluetooth 5.0, and enterprise‑grade security.
📞 Audio & Voice Quality
- HD voice: HD handset, HD speaker
- Hearing aid compatible (HAC) handset
- Acoustic Shield
- Smart Noise Filtering
- Audio codec: AMR-WB (optional), G.722
- Narrowband codec: AMR-NB (optional), PCMU (G.711μ), PCMA (G.711A), G.723.1, G.729, G.729A, G.729B, G.729AB, G.726, iLBC
- DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
- Full-duplex hands-free speakerphone with AEC
- VAD, CNG, AEC, PLC, AJB, AGC
🖥️ Display & Usability
- LCD screen
- 2.8-inch 320×240 resolution screen
- Support wallpaper and screen saver
- Incoming calls and unread message indicator lights
- Intuitive user interface
- Support multi-language operation interface
- Caller ID display of name, number, and photo
- Supports both dark and light themes
🔐 Security
- Support SRTP protocol
- Transport Layer Security (TLS 1.3)
- HTTPS certificate manager
- AES encryption for configuration file (AES256)
- Supported authentication mechanisms: MD5/SHA1/SHA224/SHA256/SHA384/SHA512
- OpenVPN, IEEE802.1X, L2TP VPN
- LLDP/CDP/DHCP VLAN, ICE
- WPA2/WPA3
- Secure boot
- GARP (Generic Attribute Registration Protocol)
- TEE hardware encryption solution
🌐 Connectivity
- Built-in Bluetooth 5.0, Wi-Fi 6.0
- Supports USB headset and EHS
- Supports color-screen expansion modules
📞 Calling & Productivity
- Busy Lamp Field (BLF), Bridged Line Appearance (BLA)
- Anonymous call, anonymous call rejection
- Message Waiting Indicator (MWI)
- Voice messages, call parking
- Call pickup, intercom, multicast
- Music on hold
- Call recording, mobile office, chief assistant
- Server-based recording function
- Visual mailbox user interface
- 8 linekeys with LED keys (up to 40 dsskeys, 5 pages)
- 4 touch buttons: message, headset, mute, pagination(mute/headset/pagination button with indicator light)
- 4 function keys: call hold, call transfer, redial, hands-free
- 2 volume control keys
- 6 navigation keys
🛠️ Package Contents
- Yealink T73W IP phone
- Handset with handset cord
- Ethernet Cable (2m CAT5E UTP Cable)
- Stand
- Quick Start Guide
- Power Adapter (Optional)
- Wall Mount Bracket (Optional)
- Widely compatible with major SIP platforms such as 3CX, BroadSoft, and BroadWorks, Intermedia.
