asterisk1*CLI> show translation 
         Translation times between formats (in milliseconds)
          Source Format (Rows) Destination Format(Columns)

         g723   gsm  ulaw  alaw  g726 adpcm  slin lpc10  g729 speex  ilbc
   g723     -     -     -     -     -     -     -     -     -     -     -
    gsm     -     -     2     2     2     2     1     5    36     -    15
   ulaw     -     4     -     1     2     2     1     5    36     -    15
   alaw     -     4     1     -     2     2     1     5    36     -    15
   g726     -     4     2     2     -     2     1     5    36     -    15
  adpcm     -     4     2     2     2     -     1     5    36     -    15
   slin     -     3     1     1     1     1     -     4    35     -    14
  lpc10     -     5     3     3     3     3     2     -    37     -    16
   g729     -    11     9     9     9     9     8    12     -     -    22
  speex     -     -     -     -     -     -     -     -     -     -     -
   ilbc     -     5     3     3     3     3     2     6    37     -     -
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