X16 Plus phone system bundles include everything you need to install your new X16 Plus telephone system. This X16 Plus bundle comes with (4) X16 XD10 Digital Speaker Phones but is expandable up to (16) XD10 telephones. The X16 Plus system voice server is also included and equipped for connection to (4) telephone lines but expandable to (6) telephone lines. The X16 Plus does not require the internet, so when the internet is down your phone system is still working! XBLUE's US based industry expert technicians can walk you through the setup of your new X16 Plus system. All X16 Plus system bundles include: X16 Plus Voice Communications Server, XD10 Telephones, (4) Phone Line Cords, and X16 Plus Quick Start Guide. All X16 Plus phones include a highly visible blue back-lit display that shows Caller ID, Call Logs and other call details. Interactive display buttons enable easy access to Incoming Caller ID log, Phonebook and other call processing controls. Each X16 Plus XD10 phone also has (10) user programmable buttons for one-touch access to telephone lines, intercom calling and feature access. And, each button's LED indicates when an X16 Plus telephone line or extension is busy. And, easily place and retrieve calls from hold using your telephone line buttons. The X16 Plus is easily expandable. The X16 Plus may be expanded for up to (16) XD10 phones. In addition, telephone line capacity is expandable up to (6) telephone lines ports. XBLUE offers high quality US based “live” pre and post sales support. So please call us with any questions you have regarding the purchase and installation of an XBLUE X16 Plus phone system.