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Apparatus, system, and method for providing voicemail service using presence status in packet data messaging system

  • US 20060003745A1
  • Filed: 05/19/2005
  • Published: 01/05/2006
  • Est. Priority Date: 05/26/2004
  • Status: Active Grant
First Claim
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1. A method performed in an origination mobile station, the method comprising:

  • receiving a status return message indicating that a presence status of a destination device is “

    unavailable” and

    the destination device in unable to receive a call;

    recording a voicemail message at the origination mobile station; and

    transmitting a packet data message including the voicemail message from the origination mobile station to a packet data messaging service center.

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