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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.
Florida Multimedia Services, Inc
Florida Multi-Media is superior in high-speed Internet services for apartments, student housing, and community housing. Our experience in dealing with high volumes of internet activity has assisted us in learning and implementing the correct technology to
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