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Method and system for providing ring back tone service by using play announcement message in intelligent network

  • US 8,238,523 B2
  • Filed: 12/06/2004
  • Issued: 08/07/2012
  • Est. Priority Date: 12/09/2003
  • Status: Active Grant
First Claim
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1. A method for providing a ring back tone service by using a Play Announcement (PA) message based on an intelligent network, the method comprising the steps of:

  • (a) receiving information on a receiving terminal from a Mobile Switching Center (MSC) on the side of the receiving terminal that is required for call receipt;

    (b) if the receiving terminal subscribes to the ring back tone service, forming a communication line between the MSC and a coloring player;

    (c) if the communication line is formed, receiving an Assist Request Instruction from the coloring player;

    (d) transmitting the PA message including an identification number of the receiving terminal, to the coloring player; and

    (e) enabling a sound source corresponding to the identification number of the receiving terminal included in the PA message to be transmitted from a coloring server to the coloring player, such that the sound source is played.

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