ILBC codec 설치
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The iLBC source has been removed from Asterisk due to licensing concerns
Can be installed back again using instructions from page: http://www.voip-info.org/wiki/view/iLBC
Simple instructions if above guide does not work:
Go to your asterisk directory:
cd /usr/src/ASTERISKDIRECTORY
Afterwards
cd /contrib/scripts
wget -P codecs/ilbc http://www.ietf.org/rfc/rfc3951.txt
wget -q -O - http://www.ilbcfreeware.org/documentation/extract-cfile.txt | tr -d '\r' > codecs/ilbc/extract-cfile.awk
cd codecs/ilbc && awk -f extract-cfile.awk rfc3951.txt
Copy all contents from
/usr/src/ASTERISKDIRECTORY/contrib/scripts/codecs/ilbc/ to /usr/src/ASTERISKDIRECTORY/codecs/ilbc/ directory
Recompile Asterisk for ilbc codec support:
cd /usr/src/ASTERISKDIRECTORY
./configure
make
Select ilbc codec for installation
make menuselect
make install
To check if codec is installed, connect to Asterisk CLI and issue command:
core show translations
You should get a similar output:
server*CLI> core show translation
Translation times between formats (in milliseconds) for one second of data
Source Format (Rows) Destination Format (Columns)
g723 gsm ulaw alaw g726aal2 adpcm slin lpc10 g729 speex ilbc g726 g722
g723 - 2 2 2 2 2 1 3 6 - 14 2 2
gsm 8 - 2 2 2 2 1 3 6 - 14 2 2
ulaw 8 2 - 1 2 2 1 3 6 - 14 2 2
alaw 8 2 1 - 2 2 1 3 6 - 14 2 2
g726aal2 8 2 2 2 - 2 1 3 6 - 14 2 2
adpcm 8 2 2 2 2 - 1 3 6 - 14 2 2
slin 7 1 1 1 1 1 - 2 5 - 13 1 1
lpc10 8 2 2 2 2 2 1 - 6 - 14 2 2
g729 8 2 2 2 2 2 1 3 - - 14 2 2
speex - - - - - - - - - - - - -
ilbc 9 3 3 3 3 3 2 4 7 - - 3 3
g726 8 2 2 2 2 2 1 3 6 - 14 - 2
g722 8 2 2 2 2 2 1 3 6 - 14 2 -
---------------------------------------------------------------
extract-cfile.txt
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