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Method of operating a portable communication device

  • US 6,198,941 B1
  • Filed: 08/07/1998
  • Issued: 03/06/2001
  • Est. Priority Date: 08/07/1998
  • Status: Expired due to Term
First Claim
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1. A method of operating a portable communication device capable of communicating with a remote server via at least first and second different communication arrangements, comprising the steps ofmonitoring at least one signal indicative of the environment in which said device is operating in order to anticipate a change in the communications arrangement used by said portable communication device to communicate with said remote server, if a change is determined in said monitoring step to be both imminent and significant, altering the operation of the portable device by adjusting at least one parameter affecting signals included in the application or transport layer protocol used in said device.

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