This characteristic, accessible on Android gadgets, restricts outgoing calls to a pre-defined record of phone numbers. For instance, a guardian may allow it on a toddler’s telephone, limiting calls solely to members of the family and emergency providers. The performance makes use of the SIM card’s capabilities to manage permitted locations.
Proscribing name locations supplies elevated management over telephone utilization, significantly in conditions the place limiting communication is desired or obligatory. Traditionally, this performance discovered use in company settings for specialised gadgets and has turn out to be accessible to a broader person base by way of cellular working programs, providing a safety measure and controlling communication prices.