Please note that as of October 24, 2014, the Nokia Developer Wiki will no longer be accepting user contributions, including new entries, edits and comments, as we begin transitioning to our new home, in the Windows Phone Development Wiki. We plan to move over the majority of the existing entries over the next few weeks. Thanks for all your past and future contributions.
Talk:SMS handling in Java ME
Message Handling is explained in a very easy way in this article. In this article a class MessageListenerImpl implements MessageListener.
And this interface has one method for notifying incoming message.
The Class WirelessMessageReader is used for handling of pending messages. And I also supports networking functionality.