Section: 4.4.4.5 Location Update Attempt Counter
Content: To limit the number of consecutive unsuccessful location updating attempts, an location update attempt counter is used. The location update attempt counter counts the number of consecutive unsuccessful location updating attempts. The location update attempt counter shall be incremented as specified in subclause 4.4.4.9. The location update attempt counter shall be reset when: - the mobile station is powered on; - a SIM/USIM is inserted; - a location updating procedure is successfully completed; - a location updating procedure is rejected with cause: a) #11, #12, #13, #15 or #25 (see subclause 4.4.4.7); b) #22 and T3346 value IE indicating neither zero nor deactivated (see subclause 4.4.4.7); - a normal or periodic routing area updating procedure or combined routing updating is not accepted by the network with cause #11, #12, #13, #15 or #25 (see subclause 4.7.5.1.4 and 4.7.5.2.4); - GPRS attach or combined GPRS attach procedure is not accepted by the network with cause #11, #12, #13, or #15 (see subclause 4.7.3.1.4 and 4.7.3.2.4); - service request procedure is not accepted by the network with cause #12, #13, or #15 (see subclause 4.7.13.4); - network initiated GPRS detach procedure is completed with cause #12, #13, or #15 (see subclause 4.7.4.2.2); - combined GPRS attach or combined routing area updating procedure is successful for GPRS and non-GPRS services; or - a new PLMN is selected. and additionally when the mobile station is in the state MM IDLE sub-state ATTEMPTING to UPDATE: - a new location area is entered; - expiry of timer T3212; - a location updating procedure is triggered upon entering MM IDLE after the release of the last MM connection, as defined in subclause 4.5.3.1; - a location updating procedure is triggered by CM sublayer requests; or - timer T3246 is started. The location update attempt counter shall be used when deciding whether to re-attempt a location updating procedure after expiry of timer T3211 as specified in subclause 4.4.4.9.