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Implementing method of removing duplication protection for multimedia messaging service interworking forwarding message and multimedia messaging service interworking gateway thereof

  • US 8,289,983 B2
  • Filed: 08/07/2009
  • Issued: 10/16/2012
  • Est. Priority Date: 08/14/2008
  • Status: Expired due to Fees
First Claim
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1. A method for use in forwarding of a multimedia messaging service (MMS) message from a first multimedia messaging service interworking gateway (MMSIG) to a second MMSIG, the method comprising the steps of:

  • at the first MMSIG, requesting a simple message transfer protocol (SMTP) session with the second MMSIG by means of a transmission control protocol (TCP) connection;

    at the second MMSIG, establishing the SMTP session with the first MMSIG by means of the TCP connection;

    at the first MMSIG, sending a forwarding message request in which an acknowledgment request field is set to be “

    NO”

    ;

    at the second MMSIG, sending to the first MMSIG an SMTP-interactive-status code indicative of successful receipt of the forwarding message request, and not sending any other forwarding message response to the first MMSIG,wherein the SMTP-interactive-status code indicative of successful receipt of the forwarding message request is “

    250 OK”

    , and the forwarding message request contains the MMS message.

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