diff --git a/alpine-glibc/Dockerfile b/alpine-glibc/Dockerfile
index 9a120bf..d5671b6 100644
--- a/alpine-glibc/Dockerfile
+++ b/alpine-glibc/Dockerfile
@@ -6,6 +6,8 @@ LABEL maintainer="Andrius Kairiukstis <k@andrius.mobi>"
 RUN apk add --update --no-cache --quiet \
       asterisk \
       asterisk-sample-config \
+      asterisk-dahdi \
+      asterisk-sounds-en \
     >/dev/null \
 && asterisk -U asterisk &>/dev/null \
 && sleep 5s \