diff --git a/roles/asterisk/templates/pjsip.conf.j2 b/roles/asterisk/templates/pjsip.conf.j2
index ac7c841..247cd95 100644
--- a/roles/asterisk/templates/pjsip.conf.j2
+++ b/roles/asterisk/templates/pjsip.conf.j2
@@ -89,3 +89,4 @@ username=pstn
 [pstn]
 type=aor
 max_contacts=1
+remove_existing=yes