Patent ID: 7263361

Claim:
A method of communication between first and second information devices, at least one of which is portable, the method comprising: initiating communication between the devices using a first channel of communication having a first speed of data transmission; using the first channel, passing at least one message between the devices containing data enabling interconnection of the first and second devices via a second channel of communication having a second speed of data transmission, faster than the first speed; using the second channel to exchange data between the devices to establish ul least one parameter governing data exchange between the devices via the first channel, wherein the second channel of communication includes first and second intermediate entities which route communications from the first and second devices respectively, and the first and second intermediate entities act as proxies for the first and second devices; and conducting communication between the devices using at least the first channel in accordance with the at least one parameter and relaying messages received by at least one of the devices via the first channel to the proxy of that device.