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Method for performing USSD services in a telecommunications network

  • US 8,700,016 B2
  • Filed: 05/12/2010
  • Issued: 04/15/2014
  • Est. Priority Date: 05/12/2009
  • Status: Expired due to Fees
First Claim
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1. A method for providing services in a telecommunication network, using USSD channel, comprising of the following steps:

  • receiving by the terminal device (DT) a call establishment request for a voice connection to the recipient'"'"'s telephone number,rejecting the call establishment request for the voice connection, if the call request is determined to be a request for USSD based services,transmitting information about the rejected call request from the terminal device (DT) to a server (GTW), the information including at least the telephone number of the terminal (OT) initiating the connection,establishing a USSD session by the server (GTW), andinitiating an exchange of messages from the server (GTW) via the USSD channel.

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