server.callLog.warnMinFreeDiskMB
                                                    Threshold to warn operators that the available disk space for call logging is too low.
| 
                                                                     Value  | 
                                                                
                                                                     Integer (megabytes): 10 to the value of MAXINT on your system. There is no upper limit. DEFAULT: 2146 (2 gigabytes)  | 
                                                            
| 
                                                                     How to set  | 
                                                                
                                                                     If using the Management Station, set on the Speech Server service. If not using Management Station, set in an NSS configuration file (user-NSSxx.txt).  | 
                                                            
| 
                                                                     Usage  | 
                                                                
                                                                     Rarely changed.  | 
                                                            
If the disk has less than this threshold, the system writes a minor warning to the diagnostic log—indicating that free disk space is low and approaching the minimum amount required for call logging to continue (see server.callLog.minFreeDiskMB).