AMR_12.20 12.20 FR
AMR_10.20 10.20 FR
AMR_7.95 7.95 FR/HR
AMR_7.40 7.40 FR/HR
AMR_6.70 6.70 FR/HR
AMR_5.90 5.90 FR/HR
AMR_5.15 5.15 FR/HR
AMR_4.75 4.75 FR/HR
AMR_SID 1.80 FR/HR
I was wrong at the first sentence.
12.20 and 10.20 bit rates are used in FR only.