The Grandstream GAC2500 conference phone is a high-quality IP conference phone based on the popular Android operating system. The device has 6 independent SIP accounts, 6 telephone lines and can independently organize conference meetings with up to 7 participants. In addition, the GAC2500 can be used as a terminal in such popular communication applications as Skype and Google Hangouts. All this is possible thanks to the built-in Android phone and a large touchscreen display with a diagonal of 4.3 inches. Grandstream GAC2500 has wireless Bluetooth and WiFi modules and supports chaining up to two devices to cover large areas.