diff --git a/db_scripts/diff/9159.down b/db_scripts/diff/9159.down
new file mode 100644
index 00000000..e4863d92
--- /dev/null
+++ b/db_scripts/diff/9159.down
@@ -0,0 +1,3 @@
+USE provisioning;
+DELETE FROM voip_sound_handles WHERE name IN
+	('block_in', 'block_out', 'block_ncos');
diff --git a/db_scripts/diff/9159.up b/db_scripts/diff/9159.up
new file mode 100644
index 00000000..46e0fc1b
--- /dev/null
+++ b/db_scripts/diff/9159.up
@@ -0,0 +1,5 @@
+USE provisioning;
+INSERT INTO voip_sound_handles (name) VALUES
+	('block_in'),
+	('block_out'),
+	('block_ncos');