Patent ID: 8427986

Claim:
A method of transmitting a sequence of Radio Resource Control Connection Release Complete messages from a wireless telecommunications device to a telecommunications network to terminate a radio connection between the device and the network, the sequence of Radio Resource Control Connection Release Complete messages comprising a plurality of Radio Resource Control Connection Release Complete messages to be transmitted at specified times, the method comprising: transmitting a Radio Resource Control Connection Release Complete message in a sequence of Radio Resource Control Connection Release complete messages from a wireless telecommunications device to a telecommunications network to terminate a radio connection between the device and the network; starting a timer, the timer having an expiry period that determines when the next Radio Resource Control Connection Release Complete message in the sequence of Radio Resource Control Connection Release Complete messages is to be transmitted; on expiry of the timer, transmitting a next Radio Resource Control Connection Release Complete message in the sequence of Radio Resource Control Connection Release Complete messages, and when transmitting the final Radio Resource Control Connection Release Complete message in the sequence of Radio Resource Control Connection Release Complete messages, turning off at least one of the transmitter and receiver of the device before expiration of the expiry period of the timer.