Section: 10.5.5.14 GMM cause
Content: The purpose of the GMM cause information element is to indicate the reason why a GMM request from the mobile station is rejected by the network. The GMM cause information element is coded as shown in figure 10.5.129/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ]  and table 10.5.147/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] . The GMM cause is a type 3 information element with 2 octets length. Figure 10.5.129/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] : GMM cause information element Table 10.5.147/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] : GMM cause information element