Patent ID: 8532621

Claim:
A method in a wireless portable communication device for use in accessing a common data application for a data service with a service network which is external to a plurality of wireless networks, the method comprising: receiving a data session configuration file which includes a list of the plurality of wireless networks mapped against authentication credentials associated with each one of said wireless networks, each said authentication credentials specifying a bearer path for accessing the data service and being different for each one of said wireless networks; in response to a change in subscription for the wireless portable communication device from a first wireless network to a second wireless network: communicating with the second wireless network; selecting, from the list, one of said authentication credentials that is associated with the second wireless network; using the selected authentication credentials comprising the specified bearer path for establishing a data session via the second wireless network; and accessing, via the second wireless network using the data session, the common data application with the service network which is external to the second wireless network.