英文手册是这样解释的: Digit Masking Digit Masking lets you “X” out portions of the number dialed on the SMDR report. A digit mask of seven, for example, masks out all exchange codes (NNXs) and local addresses. Digit Masking makes it easier to keep track of calling patterns, without having to interpret each individual number. You can also use Digit Masking to block out access and security codes. 35-01-04 : SMDR Options - Omit (Mask) Digits Enter the number of digits (1-24) you want SMDR to block (i.e., “X” out). Enter 0 not to block any digits. |