The feature is often exploited by fraudsters by calling their victims in guise of a call from the bank, ISP or police asking for credit card details.
Virgin Media spokeswoman Emma Hutchinson said: "If someone is concerned about a call they’ve received, they should hang up and either wait five minutes or use another line to speak to the police on 101."
This article is from the CBROnline archive: some formatting and images may not be present.
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