diff --git a/kamailio/defs.cfg b/kamailio/defs.cfg
index 09eefc3..c406ea7 100644
--- a/kamailio/defs.cfg
+++ b/kamailio/defs.cfg
@@ -26,7 +26,7 @@
 #!trydef KAZOO_LOG_LEVEL L_INFO
 
 #!trydef PV_BUFFER_SIZE 16384
-#!trydef PV_BUFFER_SLOTS 20
+#!trydef PV_BUFFER_SLOTS 30
 
 #!ifndef KAMAILIO_DBMS
 #!substdef "!KAMAILIO_DBMS!kazoo!g"