FreeSWITCH

Merge pull request #249 in FS/freeswitch from ~SAFAROV/freeswitch-mod-radius-cdr_improvement:origin/FS-7524 to master

* commit '7e1f8bc4c7795451ee6140f65588e590cc4af024':
  FS-7524: mod_callcenter - Fixing tiers, level and position should default to 1 instead of 0