This characteristic, accessible on Android units, 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 companies. The performance makes use of the SIM card’s capabilities to regulate permitted locations.
Proscribing name locations gives elevated management over telephone utilization, notably in conditions the place limiting communication is desired or essential. Traditionally, this performance discovered use in company settings for specialised units and has change into accessible to a broader person base via cellular working techniques, providing a safety measure and controlling communication prices.
