diff --git a/db_scripts/diff/15073.down b/db_scripts/diff/15073.down
new file mode 100644
index 00000000..beadf4c0
--- /dev/null
+++ b/db_scripts/diff/15073.down
@@ -0,0 +1,8 @@
+USE provisioning;
+
+UPDATE voip_subscribers SET pbx_hunt_policy = 'serial' 
+  WHERE pbx_hunt_policy IN ('random', 'circular');
+
+ALTER TABLE voip_subscribers 
+  CHANGE COLUMN `pbx_hunt_policy` `pbx_hunt_policy` 
+    enum('serial','parallel') DEFAULT NULL;
diff --git a/db_scripts/diff/15073.up b/db_scripts/diff/15073.up
new file mode 100644
index 00000000..31fae7d3
--- /dev/null
+++ b/db_scripts/diff/15073.up
@@ -0,0 +1,5 @@
+USE provisioning;
+
+ALTER TABLE voip_subscribers 
+  CHANGE COLUMN `pbx_hunt_policy` `pbx_hunt_policy` 
+    enum('serial','parallel', 'random', 'circular') DEFAULT NULL;