[Asterisk-Users] Blocking the 'Do Not Call" List

[Richard Lyman]

*snipped
> Speaking of which, how about a simple structure of directories, take the
> first number for each entry in the dnc, create a directory (dnc/5), then
> take the next number (dnc/5/5) and so on. Eventually you get
> dnc/5/5/5/1/2/3/4.
> 
> When you need to dial the number, you simply check if the directory
> exists, if( -d dnc/5/5/5/1/2/3/4)
> 
> If it exists, then skip it, if any directory doesn't exist, then call
> it.
> 
> I am pretty sure that any filesystem should be able to handle 10
> directories in a directory, with 10 levels of sub-directory, each with a
> maximum of 10 directories.... (How many number do US numbers have??)
> 
*snipped
by the time the National DNC kick off date came around (what was 
it Oct 1, 2003 or there abouts) there was 58 Million people 
signed up for the NDNC.  needless to say within the first month 
that was well over 60 Million.