Yealink SIP-T54S is an ease-of-use Media IP Phone with a distinctive appearance and structure. For its simplified and human-friendly design as well as user interface, it brings the IP phone and users more closer and unceasingly boosts the operating experience. With respect to Yealink Optima HD voice technology, T54S enhances its audio quality via adding Opus audio codec, so that it delivers superb audio quality and crystal clear voice communications. Meanwhile, Yealink SIP-T54S is built with Gigabit Ethernet technology, a built-in Bluetooth and a built-in USB 2.0 port, intending to enhance collaboration and productivity. Yealink SIP-T54S is designed to satisfy the users who need for a higher quality IP phone with the improvement of hardware, audio quality, user experience, collaboration efficiency.
 
 
 
New structure design 
 
 
 
Yealink SIP-T54S is equipped with a brand new styling and structure design, including the screen angle is higher which makes the users?opeartion and viewing more intuitive and convenient as well as spacesavings. Without disassemble the phone stand, it is convenient for you to directly adjust the phone stand angle. In addition, the phone surface becomes more compact, the new button layout enables you to dial quickly, and the handset with its combined ergonomic design makes user feel more comfortable.
 
 
 
HD Audio 
 
 
 
Yealink SIP-T54S combines the hardware and software to completely improve its audio quality, including handset, speakerphone and headset. The speakerphone microphone on the upper right of the screen makes a wider voice pickup range. Being a totally open, highly versatile audio codec, Opus, is designed to perform a higher HD audio quality than other wideband codecs in a high network bandwidth; however, if your current network quality is poor, Opus can provide you with a better audio quality than other narrowband codecs. And its hearing aid compatible (HAC) handset helps the person who is with hearing loss to hear the voice more clearly