Patent ID: 8107928

Claim:
A method in a wireless portable communication device for use in accessing a common data application with a service network which is external to a plurality of wireless networks, the method comprising: maintaining default authentication credentials associated with a default wireless network; submitting, via the default wireless network, the default authentication credentials for establishing a data session via the default wireless network; accessing, in the data session via the default wireless network, the common data application with the service network which is external to the default wireless network; receiving a data session configuration file which includes a list of a plurality of wireless networks mapped against current authentication credentials associated with each said wireless network, the list including current authentication credentials which are different for each said wireless network; communicating with a current one the wireless networks for registration; selecting, from the list, one of the current authentication credentials that is associated with the current wireless network; submitting, via the current wireless network, the current authentication credentials for establishing a data session via the current wireless network; and accessing, in the data session via the current wireless network, the common data application with the service network which is external to the current wireless network.