主权项 |
1. A method for monitoring one of a plurality of statuses of a first mobile device over a wireless network by a second mobile device, the method comprising:
receiving, by the first mobile device through the wireless network from a server, a request for a permission for said status of the first mobile device to be monitored by the second mobile device; sending, by the first mobile device through the wireless network to the server, a permission for said status of the first mobile device to be monitored by the second mobile device in response to receiving the request; sending, by the first mobile device through the wireless network to the server, said status of the first mobile device in response to sending the permission; determining, by the first mobile device, a changed status at least partially associated with a presence of the first mobile device being located at a first location; and sending, by the first mobile device through the wireless network to the server, responsive to determining the changed status, a status change signal indicating said changed status of the first mobile device. |