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.
VOIPSHOP is a recognized VoIP carrier. Our main activity is to provide VoIP Services to international and local carriers to destinations all over the world.
Among the main development trends of our company are: