Patent ID: 9516678
Filing Date: 2016-12-06
CPC Classification: H04L,H04W

Claim Text:
1. A method comprising: generating at least one predetermined request at a mobile device with wireless transceiver for testing whether a wireless access network enables at leaast some access to a destination network, the at least one predetermined request addressed to a connectivity test server in the destination network and the connectivity test server configured for providing a test service for testing a successful access to the destination network, wherein said at least one predetermined request comprises at least one of a predetermined hypertext transfer protocol request, a predetermined user datagram protocol request, a predetermined transmission control protocol request, or a predetermined simple traversal of user datagram protocol through network address translators request; transmitting said at least one predetermined request to the wireless access network, the destination network being a first network and the wireless access network being a second network; and determining whether a response to said at least one predetermined request is received from said wireless access network and whether a received response corresponds to a predetermined response which is known to be provided by said connectivity test server in case said connectivity test server is reached by said at least one predetermined request, wherein reception of the predetermined response to said at least one predetermined request is considered to indicate a connection to said destination network, and wherein a reception comprising at least another response than the predetermined response to said at least one predetermined request is considered to indicate that at least part of the wireless access network is blocking at least part of the access to said destination network.