Call waiting with “Caller ID” uses a special signal in order to warn you about an incoming call, during another call there are shown the name and number of the calling subscriber on the display. The function also allows switching between two calls.
Alturaphone is an IP telephony service and technology provider. We offer personalized services for businesses, resellers and distributors. Alturaphone provides VoIP services such as VoIP wholesale with a prepaid platform, GSM to worldwide VoIP termination
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