--- asterisk-1.6.2.1.ebuild	2010-01-19 14:12:46.000000000 +0100
+++ asterisk-1.6.2.1-r1.ebuild	2010-01-22 14:08:05.000000000 +0100
@@ -14,7 +14,7 @@
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
 
-IUSE="alsa +caps curl dahdi debug freetds iconv jabber ldap keepsrc misdn newt nosamples oss postgres radius snmp span speex ssl sqlite static vorbis"
+IUSE="alsa +caps curl dahdi debug freetds iconv ilbc jabber ldap keepsrc misdn newt nosamples oss postgres radius snmp span speex ssl sqlite static vorbis"
 
 RDEPEND="sys-libs/ncurses
 	dev-libs/popt
@@ -134,6 +134,11 @@
 
 		export MODULES_LIST
 	fi
+
+	if use ilbc; then
+		epatch "${FILESDIR}"/${PN}-ilbc-v1.diff || die "patch failed"
+		${S}/contrib/scripts/get_ilbc_source.sh || die "iLBC sources download failed"
+	fi
 }
 
 src_compile() {