Phone fraud

Lockanrufe or Pinganrufe are calls where connections are typically made ​​to mobile terminals that are selectively aborted after a single ring. However, the unique anklingeln is sufficient to transmit a callback number (at a high-priced value-added service ) with; it appears in the phone display under missed calls. Out of politeness or curiosity, the so In Rang often feels tempted to recall the alleged caller, and thus makes an expensive phone call. Many Lockanruf callback numbers start with the digit sequence 0137th

The actual number may be masked by a pre- code.

Become a free 0800 numbers displayed so it is usually a variant of collect call scams.