Using the Phone to Control Outside Systems70Using the Phone to Control Outside SystemsRedkeyYou want to use your phone to switch on a heating system, operate a sun blind, call for help, trigger analarm or actuate another function on an outside system [e].Triggering a Function with the RedkeyYour system administrator can set up one or more Redkeys on your phone. Pressing a Redkey thentriggers the configured function on the connected outside system.A Redkey can be set up by the system administrator on any configurable key of your phone. Redkeys canonly be set up via the system configuration. It is not possible to modify a Redkey configuration via yourphone.If a Redkey is to be triggered quickly and spontaneously in any situation, it is best to configure it on theHotkey.Ask your system administrator whether Redkeys have been set up on your phone, where and what for.You’re making a call or dialling a number or being called or the phone is in the idle state:Status displayThe outside system can acknowledge that a function has been actuated by a Redkey by sending amessage to the phone’s display (with or without a prompt to acknowledge the message).Press the Redkey to trigger the function.Note The function is always actuated regardless of whether you press the Redkeyonce, twice or hold it down for a moment.Note If a Redkey is set up on the Hotkey, the function is also actuated if you holddown the Redkey for a moment when the keypad is locked.
