Calling as an unknown quantity, also referred to as personal calling or nameless calling, permits you to make cellphone calls with out revealing your caller ID info to the recipient. This may be helpful for varied causes, reminiscent of defending your privateness, conducting market analysis, or avoiding undesirable calls.
There are a number of methods to name as unknown on an iPhone. One methodology is to make use of a #31# prefix earlier than the cellphone quantity you want to name. For instance, to name 555-123-4567 as an unknown quantity, you’d dial #31#555-123-4567.