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Call service method for a cellular phone

  • US 7,171,236 B2
  • Filed: 06/03/2002
  • Issued: 01/30/2007
  • Est. Priority Date: 06/04/2001
  • Status: Active Grant
First Claim
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1. A call service method for a personal digital assistant phone including a touch pad screen, comprising the steps of:

  • displaying a data synchronization screen upon detecting a connection of the personal digital assistant phone to a host computer, to thereby perform a data synchronization with the host computer;

    determining whether a call service is activated by a user during data synchronization;

    displaying a keypad screen on the touch pad screen during data synchronization if it is determined that the call service is activated by the user during data synchronization; and

    processing the call service through the keypad screen.

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