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Single sign-on service for communication network messaging

  • US 20050021638A1
  • Filed: 07/24/2003
  • Published: 01/27/2005
  • Est. Priority Date: 07/24/2003
  • Status: Active Grant
First Claim
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1. A unified messaging system that serves to interconnect a subscriber with a plurality of messaging services to which they subscribe, comprising:

  • means for providing said subscriber with a single point of access; and

    means for sharing personal address book and calendaring applications among said plurality of messaging services.

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