Yealink has designed the T48S to maximize efficiency for employees in communication-intensive industries, matching the intuitive operation of a modern smartphone. To meet these demands, numerous technical innovations had to be implemented in the device. The integration of the 7-inch touchscreen display not only ensures perfect readability but also allows for a revolutionary ease of use. The result is a SIP phone that brings a new level of interaction and offers operation that is just as simple and self-explanatory as you would expect from smartphones. In addition to the ability to manage up to 16 different SIP accounts, the T48S also features 29 DSS keys that you can assign individual functions to. This allows you to execute all important contacts and functions with just a fingertip. Gigabit networking is on the rise. The SIP-T48S enables you to experience faster network performance than ever before. High-speed broadband services have been developed for quicker communication, allowing you to connect with multiple people simultaneously. Companies naturally want the fastest network to establish connections. The T48S IP phone offers USB Bluetooth connectivity for Bluetooth headsets, allowing you to move freely in the office environment for hands-free teleworking - comfortably and conveniently. The Yealink T48S IP phone has passed all TIA 920 certifications. Voice quality makes good communication much easier. Yealink has developed enhanced Optima HD voice quality with the aim of enabling many hours of unique sound experience during calls.