[Asterisk-Users] Asterisk 1.0.1 Too many open files

[Roy Sigurd Karlsbakk]

>  /proc/sys/fs/file-max
>        This  file  defines  a  system-wide  limit on the number of open
>        files for all processes.  (See also setrlimit(2), which  can  be
>        used  by  a process to set the per-process limit, RLIMIT_NOFILE,
>        on the number of files it may open.)  If you get lots  of  error
>        messages  about running out of file handles, try increasing this
>        value:

Does asterisk set this itself or do I have to use ulimit something to 
do it manually?