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Simple Application Controllers
SMS/SMR/CD Functions and the Modem Setting 2
2 - 30
Application Example: Open roller shutter by phone call
A roller shutter gates the entrance to a company field. Normally pedestrians only can pass this
gate. Four employees need to pass the gate with a company car. These employees can open
the gate by simply calling a phone number with their cell-phone.
Opening the gate by phone call is enabled only during normal workdays and business times
(Time Switch). Outside the business times the company owner can enable the function for a
fixed time to give an employee the chance to open the gate.