Phone to Phone
It is a type of communication between two ordinary phones, which are connected and voice transmits over telecommunication network.
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.
Centennial Gateway sdn.bhd
Centennial Gateway offers innovative, straightforward long-distance calling plans that bring the true benefits of competition - choice and value - to Malaysian consumers and businesses.
Our objective is to provide a solution which will optimize your t
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