FREEPBX-6123 #resolve Fix content description to be audio file, as it may not always be wav
Merge branch 'master' of ssh://git.freepbx.org/freepbx/cdr

# By Bryan Walters
# Via Bryan Walters
* 'master' of ssh://git.freepbx.org/freepbx/cdr:
  FREEPBX-6123 #resolve Fix content description to be audio file, as it may not always be wav