Yealink T4 Series Ultra Elegant
Upgrade Highlights
- Continuation of the elegant T4 design
- Device performance enhancement, faster response on the phone’s user interface
- Opus codec support
- Enhanced speaker performance
- Additional USB port for the T42S & T41S (USB functions available circa 1Q2017)
- Unified Firmware
- Hearing adi compatible(HAC) Handset
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