Patent ID: 8233878

Claim:
A method for determining an indication of network resource utilization by a mobile handset, the method comprising: at a network signaling node distinct from a mobile handset: obtaining first usage information from the mobile handset in response to the mobile handset being operated at a first time, wherein obtaining the first usage information includes, in response to receiving a first mobility management message from the mobile handset, sending a first query message to the mobile handset to trigger the mobile handset to send the first usage information; obtaining second usage information from the mobile handset in response to the mobile handset being operated at a second time, wherein obtaining the second usage information includes, in response to receiving a second mobility management message from the mobile handset, sending a second query message to the mobile handset to trigger the mobile handset to send the second usage information; and determining, based on the first and second usage information, an indication of network resource utilization by the mobile handset between the first and second times.