This characteristic, accessible on Android gadgets, restricts outgoing calls to a pre-defined checklist of phone numbers. For instance, a mum or dad would possibly allow it on a toddler’s telephone, limiting calls solely to members of the family and emergency companies. The performance makes use of the SIM card’s capabilities to regulate permitted locations.
Proscribing name locations supplies elevated management over telephone utilization, notably in conditions the place limiting communication is desired or vital. Traditionally, this performance discovered use in company settings for specialised gadgets and has grow to be accessible to a broader person base by cell working methods, providing a safety measure and controlling communication prices.