Patent ID: 11877255
Assignee: DISH WIRELESS L.L.C.
Field: Digital communication (Electrical engineering)
Classification: CPC H  B  G | IPC B  G  H

Claim 0:
1. A method in a mobile telephony device, the method comprising:
receiving initiation of a testing cycle;
in response to receiving the initiation, irrespective of any subsequent user input to the mobile telephony device:
retrieving a present global positioning system (GPS) location of the mobile telephony device;
initiating an emergency telephone call to which is attached header information that:
indicates a telephone number at which the mobile telephony device receives telephone calls and non-telephony messages, and
contains location information from which a location can be calculated for the mobile telephony device as part of processing the emergency telephone call;

receiving a non-telephony message automatically transmitted to the telephone number of the mobile telephony device;
extracting from the received message a location calculated for the mobile telephony device as part of processing the emergency telephone call; and
storing the extracted calculated location together with the retrieved GPS location, wherein the storing comprises storing a row of an observation table local to the mobile telephony device, the method further comprising synchronizing contents of the observation table local to the mobile telephony device with an observation table hosted on a server.