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Method for transmitting destination user part unavailable message

  • US 7,882,242 B2
  • Filed: 04/28/2008
  • Issued: 02/01/2011
  • Est. Priority Date: 10/26/2005
  • Status: Active Grant
First Claim
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1. A method for transmitting a Destination User Part Unavailable (DUPU) message, comprising:

  • signaling-message-transmitting, by an Application Server Process, a received DUPU message, if the Application Server Process is a signaling transfer point,wherein, the received DUPU message comprises information of a destination signaling point to be notified;

    the Application Server Process transmits the received DUPU message to a signaling point indicated by the information of the destination signaling point to be notified, upon receiving the DUPU message and determining that the information of the destination signaling point to be notified is contained in the received DUPU message;

    wherein the Application Server Process and the received DUPU message are implemented in accordance with the MTP Level 3 User Adaptation (M3UA) layer.

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