Dialer
electronic device
A dialer (American English) or dialler (British English) is an electronic device or software that connects to a telephone line to a dialed numbers and automatically modify them for seamless access to services requiring long national or international access codes. It inserts or alters numbers based on the time of day, country, or area code, enabling users to connect through service providers offering the best rates. For example, it might use one provider for international calls and another for mobile networks. This technique is known as prefix insertion or least-cost routing. A line-powered dialer draws power directly from the telephone line, requiring no external source.
Another type of dialer is software that establishes an Internet or network connection over analog telephone lines or Integrated Services Digital Network (ISDN). Many operating systems include built-in dialers that use the Point-to-Point Protocol (PPP), such as WvDial.
Many internet service providers offer installation CDs to simplify the process of setting up a proper Internet connection. They either create an entry in the operating system's dialer or install a separate dialer (as the AOL software does).
In recent years, the term “dialer” has increasingly been associated with software that initiates calls or connections without the user’s informed consent regarding charges, often with the intent to defraud.
Begin with the source’s own compact description: “Dialer” is electronic device. The dossier treats that line as a proposition to test through Dialer, electronic and device, not as a finished interpretation.
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The phrase “electronic device” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Apr 8, 2026. The linked authority identifier is Q679931. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Dialer” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.