Patent ID: 8144841

Claim:
A method for determining an unwanted multimedia message originating from a multimedia call, said multimedia call being initiated by a caller for a recipient and received by a telecommunication network servicing the recipient, said telecommunication network being unable to complete the call to the recipient and prompting the caller to leave a multimedia message for the recipient, said method comprising: receiving the multimedia message from the telecommunication network; identifying a voice portion of the received multimedia message; generating a textual representation of the identified voice portion; applying an anti-spam engine to analyze the generated representation; generating a confidence ranking of the generated representation in response to the analyzed representation; determining whether the multimedia message is the unwanted multimedia message as a function of the confidence ranking and the analyzed representation; comparing the generated confidence ranking with a deletion threshold and removing the multimedia message if the confidence ranking exceeds a deletion threshold; comparing the generated confidence ranking with a suspicion threshold and the deletion threshold, and generating a notification to the recipient when delivering the multimedia message to the recipient if the confidence ranking exceeds the suspicion threshold but is lower than the deletion threshold, wherein the notification comprises at least one of the following: an audio message indicating the multimedia message from the caller is considered as a unwanted message and a textual message indicating the multimedia message from the caller is considered as a unwanted message.