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Advertised ring back in a telecommunication switching system

  • US 6,603,844 B1
  • Filed: 08/31/1999
  • Issued: 08/05/2003
  • Est. Priority Date: 08/31/1999
  • Status: Expired due to Term
First Claim
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1. A method of transmitting advertisement messages to a telecommunication terminals during call setup by a telecommunication switching system, comprising the steps of:

  • detecting call origination by a calling telecommunication terminal to a called telecommunication terminal;

    placing a call between the calling telecommunication terminal and the called telecommunication terminal by setting up a communication path through the telecommunication switching system;

    determining a first one of the advertisement messages to be transmitted to the calling telecommunication terminal;

    setting up communication path between a message transmission unit and the calling telecommunication terminal;

    transmitting the determined first one of the advertisement messages to the calling telecommunication terminal via the communication path by the message transmission unit;

    transmitting alerting to the called telecommunication terminal upon the call to the called telecommunication terminal being set up through the telecommunication switching system;

    terminating the determined first one of the advertisement messages upon the called telecommunication terminal answering the call;

    detecting an indication from the calling telecommunication terminal for additional information concerning the determined first one of the advertisement messages during the placing and alerting steps;

    determining a third message concerning the determined first one of the advertisement messages upon completion of a call between the calling telecommunication terminal and called telecommunication terminal;

    resetting up the communication path between the message transmission unit and the calling telecommunication terminal by the telecommunication switching system in response to the detected indication without additional stimulus from the calling telecommunication terminal and completion of the call between the calling telecommunication terminal and called telecommunication terminal; and

    transmitting the determined third message to the calling telecommunication terminal via the communication path by the message transmission unit upon completion of the call between the calling telecommunication terminal and called telecommunication terminal.

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