Merge "Add DataFailCause for IWLAN_CONGESTION." into tm-qpr-dev

    /** The ePDG does not support un-authenticated IMSI based emergency PDN bringup **/

    public static final int IWLAN_UNAUTHENTICATED_EMERGENCY_NOT_SUPPORTED = 0x2B2F;

    // Device is unable to establish an IPSec tunnel with the ePDG for any reason

    // e.g authentication fail or certificate validation or DNS Resolution and timeout failure.

    // The below error causes are relevant when the device is unable to establish an IPSec tunnel

    // with the ePDG for any reason, e.g. authentication fail or certificate validation or DNS

    // Resolution and timeout failure.

    /**

     * The requested service was rejected because of congestion in the network while accessing the

     * IWLAN ePDG. Defined in 3GPP TS 24.502, Section 9.2.4.2.

     *

     * @hide

     */

    public static final int IWLAN_CONGESTION = 0x3C8C;

    /** IKE configuration error resulting in failure  */

    public static final int IWLAN_IKEV2_CONFIG_FAILURE = 0x4000;