Section: 9.2.15 Location updating request
Content: This message is sent by the mobile station to the network either to request update of its location file (normal updating or periodic updating) or to request IMSI attach. See table 9.2.17/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] . Message type: LOCATION UPDATING REQUEST Significance: dual Direction: mobile station to network Table 9.2.17/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] : LOCATION UPDATING REQUEST message content NOTE: In A/Gb mode, the maximum number of octets that can be transferred is 20.