A method for providing messaging between a portable device and base device is provided. The method includes communicating one or more message codes maintained in the portable device to the base device. The base device then composes a message for a user of the portable device using a dictionary of message...http://www.google.com.au/patents/US7690560?utm_source=gb-gplus-sharePatent US7690560 - Compact protocol and solution for substantially offline messaging between portable consumer device and base device
