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A collect call in Canada and the United States, known as a reverse charge call in other parts of the English-speaking world, is a telephone call in which the calling party wants to place a call at the called party 's expense. Collect calls were originally only possible as an operator-assisted call, but with the introduction of computer -based ...
A reverse telephone directory (also known as a gray pages directory, criss-cross directory or reverse phone lookup) is a collection of telephone numbers and associated customer details. However, unlike a standard telephone directory, where the user uses customer's details (such as name and address) in order to retrieve the telephone number of ...
Mobile phones. Within Australia, mobile phone numbers begin with 04 or 05 – the Australian national trunk code 0, plus the mobile indicator 4 or 5 – followed by eight digits. This is generally written as 04XX XXX XXX within Australia, or as +61 4XX XXX XXX for an international audience.
5. GreatPeopleSearch. GreatPeopleSearch is a user-friendly free reverse phone number lookup site that provides searchers with fast and accurate results. It draws on publicly available national ...
Phreaking began in the 1960s when it was discovered that certain whistles could replicate the 2600 Hz pitch used in phone signalling systems in the United States. Phone phreaks experimented with dialing around the telephone network to understand how the phone system worked, engaging in activities such as listening to the pattern of tones to figure out how calls were routed, reading obscure ...
An "international call prefix", "international dial-out code" or "international direct dial code" (IDD code) is a trunk prefix that indicates an international phone call. In the dialling sequence, the prefix precedes the country calling code (and, further, the carrier code, if any, and the destination telephone number).
A rotary dial is a component of a telephone or a telephone switchboard that implements a signaling technology in telecommunications known as pulse dialing. It is used when initiating a telephone call to transmit the destination telephone number to a telephone exchange . On the rotary dial, the digits are arranged in a circular layout, with one ...
Worldwide distribution of country calling codes. Regions are coloured by first digit. Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.