Search This Blog

Thursday, October 27, 2011

T3312 Periodic Routing Area Update Timer

Periodic RA update timer or  Periodic Routing Area Update Timer is T3312. T3312 is used to send RAU message periodically. Value of this timer is set based on the value received in the ATTACH ACCEPT and/or ROUTING AREA UPDATE ACCEPT message.

Normally, values are sent in the  Decihours. 1 Decihours =  6 mins.