diff --git a/msc/osmo-msc.cfg b/msc/osmo-msc.cfg
index 61b146e..f3006c4 100644
--- a/msc/osmo-msc.cfg
+++ b/msc/osmo-msc.cfg
@@ -62,6 +62,7 @@
  short name OsmoMSC
  long name OsmoMSC
  encryption a5 0
+ encryption uea 0
  authentication optional
  rrlp mode none
  mm info 0