Some telephones, depending on the brand and model, have the intercom function, which allows to begin communication by sending the signal. When the signal comes, the telephone set rings a signal different from the standard ring tone call. After that the telephone temporarily switches off from the telephone line and works as an intercom.
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VoIPLCR is a service of Tucker Communications and Consulting Group, which operates under the Ofcom`s, U.K. Telecom regulatory body, General Authorization Regime for Providers of Electronic Communication Services and is a registered limited company in the
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