A control app for the D8XCel and D16XCel Alarm Panels. The D8XCel/D16XCel can use SMS to receive commands from a Smartphone. Features Include: * Operation and programming by SMS messaging * Remote operation and programming via the free Ness XCEL app * Alarm reporting back to base by CID and/or self monitoring by SMS * Powerful SMS accessibility including: arm/ disarm, programming, check system status,read alarm memory, receive alarm messages and operate AUX outputs all by SMS / TXT