A method for generating multimedia events such as images and/or sound in a mobile
station uses a Short Message Service (SMS) or the like. According to a preferred
embodiment of the present invention, a short message service center sends the data
corresponding to the multimedia event selected by an originating mobile station
only after the SMC makes sure that there is no data corresponding to the selected
event in a receiving mobile station. A new teleservice, Multimedia Teleservice,
is added to the SMS transport layer, and the User Data in the teleservice layer
located under the transport layer now includes CHARi field or the like. The CHARi
field performs control of the data transmission by supplying control fields including
a multimedia event index and data fields in the user data.
