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.
Arena One was founded in June, 1999 as a high-end provider of web hosting and email services. Our clients came to us looking for an outsourced solution to their growing IT needs. As digital communications have grown, we`ve grown with them.