The invention relates to a data transmission arrangement between at least two apparatuses in a system in which part of the connection between different apparatuses is a wireless connection. The apparatuses communicate with method calls containing a service request. Service brokers direct the service...http://www.google.com.hk/patents/US7096267?utm_source=gb-gplus-share專利 US7096267 - Data transmission method and arrangement using method calls
