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.
Fa. "Hauk" leistet telemetrische Dienstleistungen der Sendung von Daten in Netz der allgemeinen Benutzung im Gebiet Deutschlands und anderer L
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