We found in Asterisk CDR an random number is added with source and destination. For example if the destination is through IAX in cdr, it will store something like
In our server for all user the length of this number is fixed (5 digits) but for only one user it is the length of is varying (sometimes 4 sometimes 3 etc). What can be the reason for this. We want this length to be fixed. How to force asterisk to maintain a fixed length ?