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.
WebPhone, a provider of voice over Internet Protocol (VoIP) technology, was founded in 2002. WebPhone provides PC2Phone calling service using a worldwide VoIP network. The company is based in Portugal and recently opened sales and customer service offices