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@@ -481,3 +481,20 @@ Formats:
future release. The use of GAIN for the increasing of voicemail message
volume should use the 'volgain' option in voicemail.conf
+iLBC Codec:
+
+* Previously, the Asterisk source code distribution included the iLBC
+ encoder/decoder source code, from Global IP Solutions
+ (http://www.gipscorp.com). This code is not licensed for
+ distribution, and thus has been removed from the Asterisk source
+ code distribution. If you wish to use codec_ilbc to support iLBC
+ channels in Asterisk, you must go to:
+
+ http://ilbcfreeware.org
+
+ and obtain the iLBC source code from that site, including agreeing
+ to the license agreement specified. The site has instructions on how
+ to extract the source code from the RFC file where it has been
+ published; after you have done that, copy the resulting *.c and *.h
+ files into the codecs/ilbc directory of the Asterisk source code
+ tree and follow your normal steps of building Asterisk.