This powerful phone system from Yealink offers 16 phone lines and a variety of features, including Bluetooth and USB connectivity. The sleek black design is perfect for any business setting. The Yealink SIP-T53W model is a versatile corded/cordless phone that is perfect for those looking for a reliable, high-quality phone system.With its easy-to-use interface and reliable performance, this phone system is a great choice for businesses of all sizes. Whether you need to make calls, hold conferences, or collaborate with team members, the Yealink SIP-T53W has everything you need to stay connected.IT IS ON VERIZON'S NETWORK. KNOW THAT BEFORE YOU BUY. NO RETURNS!