diff --git a/ecs/vars.config b/ecs/vars.config
index 6cdb206..4b7809f 100644
--- a/ecs/vars.config
+++ b/ecs/vars.config
@@ -6,3 +6,5 @@
 {zlib, true}.
 {elixir, true}.
 {iconv, true}.
+{stun, true}.
+{sip, true}.