Patent ID: 8406147

Claim:
A data node for sending messages to cancel inactivity timers in a wireless network on behalf of a wireless device, comprising: a transceiver module configured to send and receive user data traffic as well as send solicitation messages on behalf of the wireless device to the wireless network; a processor configured to detect the data activity of said transceiver; and a control module operating with said processor, configured to cause solicitation messages to be sent to the wireless network on behalf of the wireless device through said transceiver, the control module configured to: start a solicitation timer upon detection of the absence of data traffic involving the wireless device; wait for the solicitation timer to expire; cancel the solicitation timer upon detection of data traffic involving the wireless data device; send a message to the wireless network upon expiry of said solicitation timer; and wait for the wireless network to acknowledge receipt of the message, wherein the data node is a push data server.