the amr codec test result

bob avwiseav at gmail.com
Tue Jul 10 09:16:55 UTC 2012


Hi List!
 I test the AMR codec in my GSM network, and it is so strange, the code mode
is jump between 
codec gsm690_12_2 and codec gsm690_4_75, why?
codec gsm690_4_75
length is 13
voice[0] is 20
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
 SACCH fn = 1682888 fn_report = 90
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
 SACCH fn = 1682914 fn_report = 12
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
 SACCH fn = 1682940 fn_report = 38
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
 SACCH fn = 1682966 fn_report = 64
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
 SACCH fn = 1682992 fn_report = 90
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
 SACCH fn = 1683018 fn_report = 12
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
 SACCH fn = 1683044 fn_report = 38
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 1
codec gsm690_4_75
length is 13
voice[0] is 20
codec 4
codec gsm690_12_2
length is 32
voice[0] is 3c
 SACCH fn = 1683070 fn_report = 64
codec 1
codec gsm690_4_75
length is 13

 


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