Yealink SIP-T73U (SIP-T73U) — New, 12-Line 2.8" Color Gigabit IP Phone with USB
Warranty: Lifetime
Condition: New
Yealink SIP-T73U Documentation (Datasheet, Manuals, Firmware)
The Yealink SIP-T73U is the wired T7-series phone that replaces the SIP-T43U, which Yealink has stopped selling. It has a 2.8-inch color display, 12 SIP accounts, 8 line keys and dual Gigabit ports with PoE. Wi-Fi and Bluetooth are available with Yealink USB adapters.
Key Features
2.8-inch 320×240 color display with a two-angle stand
Up to 12 SIP accounts and 8 line keys with LEDs (40 DSS keys over 5 pages)
Smart Noise Filtering and Acoustic Shield, with a 3W speaker
Optional Wi-Fi and Bluetooth via WF50 and BT41/BT51 adapters
Up to 3 EXP55 color expansion modules
Technical Specifications
Network: 2× Gigabit Ethernet, PoE (IEEE 802.3af Class 2)
USB: 1× USB 2.0 for headsets, flash drives, adapters or expansion modules
Wireless headsets: EHS40 adapter (USB)
Codecs: G.722, PCMU, PCMA, G.723.1, G.729, G.726, iLBC; AMR-WB/AMR-NB optional
Security: Trusted Execution Environment, TLS 1.3, SRTP
Power: PoE, or optional 5V/2A adapter (not included)
Works With
Any standard SIP platform: 3CX, FreePBX/Asterisk, RingCentral, BroadSoft and most hosted VoIP providers that allow third-party devices
Yealink Device Management Platform (YDMP) and Yealink Management Cloud Service (YMCS) for zero-touch provisioning
EXP55 expansion modules and EHS40 wireless headset adapter
Applications
General office desks on a wired PoE network
Replacing SIP-T43U phones as stock runs out
Call centers and shared desks
What’s in the Box
SIP-T73U phone
Handset with cord
Ethernet cable
Stand
Quick start guide
Power adapter is not included; the phone runs on PoE.
Related guides
- All VoIP phones and adapters — every IP phone, ATA and headset we carry
Condition: New
Yealink SIP-T73U Documentation (Datasheet, Manuals, Firmware)
The Yealink SIP-T73U is the wired T7-series phone that replaces the SIP-T43U, which Yealink has stopped selling. It has a 2.8-inch color display, 12 SIP accounts, 8 line keys and dual Gigabit ports with PoE. Wi-Fi and Bluetooth are available with Yealink USB adapters.
Key Features
2.8-inch 320×240 color display with a two-angle stand
Up to 12 SIP accounts and 8 line keys with LEDs (40 DSS keys over 5 pages)
Smart Noise Filtering and Acoustic Shield, with a 3W speaker
Optional Wi-Fi and Bluetooth via WF50 and BT41/BT51 adapters
Up to 3 EXP55 color expansion modules
Technical Specifications
Network: 2× Gigabit Ethernet, PoE (IEEE 802.3af Class 2)
USB: 1× USB 2.0 for headsets, flash drives, adapters or expansion modules
Wireless headsets: EHS40 adapter (USB)
Codecs: G.722, PCMU, PCMA, G.723.1, G.729, G.726, iLBC; AMR-WB/AMR-NB optional
Security: Trusted Execution Environment, TLS 1.3, SRTP
Power: PoE, or optional 5V/2A adapter (not included)
Works With
Any standard SIP platform: 3CX, FreePBX/Asterisk, RingCentral, BroadSoft and most hosted VoIP providers that allow third-party devices
Yealink Device Management Platform (YDMP) and Yealink Management Cloud Service (YMCS) for zero-touch provisioning
EXP55 expansion modules and EHS40 wireless headset adapter
Applications
General office desks on a wired PoE network
Replacing SIP-T43U phones as stock runs out
Call centers and shared desks
What’s in the Box
SIP-T73U phone
Handset with cord
Ethernet cable
Stand
Quick start guide
Power adapter is not included; the phone runs on PoE.
Related guides
- All VoIP phones and adapters — every IP phone, ATA and headset we carry