typedef enum {
  VM_GSM_SMS_PARAMETER_NONE = 0x00000000,
  VM_GSM_SMS_PARAMETER_NUMBER = 0x00000001,
  VM_GSM_SMS_PARAMETER_SMS_CENTER_ADDRESS = 0x00000002,
  VM_GSM_SMS_PARAMETER_PROTOCOL_IDENTIFIER = 0x00000004,
  VM_GSM_SMS_PARAMETER_DCS = 0x00000008,
  VM_GSM_SMS_PARAMETER_VALIDITY_PERIOD = 0x00000010,
  VM_GSM_SMS_PARAMETER_STATUS_REPORT = 0x00000020,
  VM_GSM_SMS_PARAMETER_REPLY_PATH = 0x00000040,
  VM_GSM_SMS_PARAMETER_PORT = 0x00000080,
  VM_GSM_SMS_PARAMETER_CLASS = 0x00000100,
  VM_GSM_SMS_PARAMETER_MMS = 0x00000200,
  VM_GSM_SMS_PARAMETER_FIRST_OCTET = 0x00000400,
  VM_GSM_SMS_PARAMETER_STATUS = 0x00000800,
  VM_GSM_SMS_PARAMETER_SIM_ID = 0x00001000,
  VM_GSM_SMS_PARAMETER_STORAGE_TYPE = 0x00002000,
  VM_GSM_SMS_PARAMETER_TIMESTAMP = 0x00004000,
  VM_GSM_SMS_PARAMETER_CONTENT_EMS = 0x00008000,
  VM_GSM_SMS_PARAMETER_CONTENT_BUFFER = 0x00010000,
  VM_GSM_SMS_PARAMETER_CONTENT_FILE = 0x00020000,
  VM_GSM_SMS_PARAMETER_MAX = 0x7FFFFFFF
} VM_GSM_SMS_PARAMETER;