One or two Line, SIP Base and DECT Cordless ExtensionOur VX series(S) of DECT cordless phones sets the standard for style and function. With the most compact footprint available in a hotel cordless phone, you'll love how the VX cordless fits in just about anywhere. Our unique design features 7 programmable guest service memories, so it is easier for guests to reach the services they need. A full duplex speakerphone provides great guest convenience. They also include two USB ports to charge external devices.