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.
Acestar Telecommunication Systems HKG Ltd. (ACESTAR), formerly Starton Technology Ltd., is a private limited liability company incorporated under the laws of Hong Kong and is wholly managed and operated by its Philippine-based affiliate, Acetel Management
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