AMR Codec with Asterisk 1.8.9.1

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Hi All,

I would like to configure AMR codec in asterisk 1.8.9.1.

After lots of research i found “
http://sourceforge.net/projects/asterisk-amr/files/” thie link, and follow
steps to configure amr.

codec_amr.so successfully compiled and load in asterisk.

*> core show translation *
Translation times between formats (in microseconds) for one second
of data
Source Format (Rows) Destination Format (Columns)

g723 gsm ulaw alaw g726aal2 adpcm slin lpc10 g729 speex
ilbc g726 g722 amr siren14 slin16 g719 speex16 siren7 testlaw
g723 – – – – – – – – –
– – – – – – – – – – –
gsm – – 1001 1001 – – 1000 – –
10999 – – – *9998* – – – – – 2000
ulaw – 3000 – 1 – – 1 – –
10000 – – – *8999* – – – – – 1001
alaw – 3000 1 – – – 1 – –
10000 – – – *8999* – – – – – 1001
g726aal2 – – – – – – – – –
– – – – – – – – – – –
adpcm – – – – – – – – –
– – – – – – – – – – –
slin – 2999 1 1 – – – – –
9999 – – – *8998* – – – – – 1000
lpc10 – – – – – – – – –
– – – – – – – – – – –
g729 – – – – – – – – –
– – – – – – – – – – –
speex – 4998 2000 2000 – – 1999 – –
– – – – *10997* – – – – – 2999
ilbc – – – – – – – – –
– – – – – – – – – – –
g726 – – – – – – – – –
– – – – – – – – – – –
g722 – – – – – – – – –
– – – – – – – – – – –
amr * – 3000 2 2 – – 1 – –
10000 – – – – – – – – – 1001*
siren14 – – – – – – – – –
– – – – – – – – – – –
slin16 – – – – – – – – –
– – – – – – – – 6999 – –
g719 – – – – – – – – –
– – – – – – – – – – –
speex16 – – – – – – – – –
– – – – – – 1999 – – – –
siren7 – – – – – – – – –
– – – – – – – – – – –
testlaw – 3000 2 2 – – 1 – –
10000 – – – *8999* – – – – – –

But when I call, can’t here voice on device where amr codec is loaded.