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.
Orbis Telecom specialises in providing business class communication solutions based upon the latest in VoIP technology. We currently provide VoIP solutions across the UK and supply a vast range of customers from end users to businesses. We concentrate on
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