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Method and telecommunications device for transmitting service messages to a service center and receiving service messages from a service center

  • US 7,519,378 B2
  • Filed: 06/07/2004
  • Issued: 04/14/2009
  • Est. Priority Date: 06/10/2003
  • Status: Active Grant
First Claim
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1. A method for sending and receiving service messages to and from a service center, the method comprising:

  • setting up a telecommunications call to the service center via a telecommunications device;

    initiating, by the service center, a first session via the telecommunications call set-up;

    sending, via the telecommunications device and in the first session, a first service message to the service center, receipt of which is acknowledged by the service center;

    initiating, by the telecommunications device and as a result of acknowledgment by the service center, a second session via the telecommunications call set-up;

    sending, by the service center and in the second session, at least one second service message to the telecommunications device, receipt of which is acknowledged by the telecommunications device; and

    releasing, by the service center and as a result of acknowledgement by the telecommunications device, the second session so as to clear down the telecommunications call.

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