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System and method for testing portable communication devices

  • US 7,321,766 B2
  • Filed: 01/21/2003
  • Issued: 01/22/2008
  • Est. Priority Date: 01/21/2003
  • Status: Expired due to Fees
First Claim
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1. A method for performing diagnostic testing in a portable communication device, said method comprising:

  • sending test signals from a source internal to said device to an output driver of said device, wherein said sending of said test signals to an output driver comprises transmitting an AT command request to a virtual port of said device via at least one serial driver, said at least one serial driver then processing said request from said virtual port as though said request had been received from an external source;

    redirecting said test signals back to said portable device; and

    processing redirected ones of said test signals within said device as though said test signals had been received at said device from an external source.

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