Alternatively, in cases where caller ID is being blocked automatically, it can only be released on a call-by-call basis by dialing a distinctive code (*82 in the U.S.; 1470 in the UK). See Disabling, below.

Caller ID is a simple string of data that can be read and generated plain simply by small computer programs and even some inexpensive devices. Talking Caller ID Although the caller ID break is transmitted in between the first and second rings, before the phone call is connected, it is possible to mislead the phone association as to the origin of the call, thus defeating caller ID. Although misleading the phone concourse by generating ANI code or by other electronic means is precise complex, simpler means do exist. Using casework like Vonage or Skype, calling from a payphone, or using a calling card are easy means to fool caller ID.