Click To Call

Is one of message forms via the Internet; you only have to press the icon or button on the site and the connection with the operator will follow immediately. This function is often used on the websites for a quick connection.

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Intercom Paging

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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