The Yealink SIP-T46S is an ultra-elegant gigabit VoIP business desk IP telephone that offers high-quality voice codecs such as G.722, G.711, and G.729AB. This corded telephone features a 4.3 inch TFT colour LCD display and a range of communication protocols including SIP. With 16 phone lines, speakerphone capabilities, and HD voice technology, this desk phone is perfect for business environments that require reliable and professional communication. Additionally, the Yealink SIP-T46S supports Power over Ethernet (PoE) and has a sleek black design that fits seamlessly into any office setting.