AN IMPLEMENTING METHOD OF REMOVING DUPLICATION PROTECTION FOR MULTIMEDIA MESSAGING SERVICE INTERWORKING FORWARDING MESSAGE AND MULTIMEDIA MESSAGING SERVICE INTERWORKING GATEWAY THEREOF

摘要

A method for performing multimedia messaging service interworking forwarding message remove duplication protection and multimedia messaging service interworking gateway. The method determines whether to return acknowledgement message based on the different value of the acknowledgement request field of the request signaling.Using the SMTP interactive status code as criterion, when the acknowledgement request field is set to be NO, requesting not to return the acknowledgement message, and when the acknowledgement request field is set to be YES, requesting to return the acknowledgement message. Determining whether the forwarding is successful by determining whether the SMTP sending status code returned by the acknowledgment signaling is received from the reply status of the acknowledgement signaling.