diff --git a/db_scripts/diff/10951.down b/db_scripts/diff/10951.down
new file mode 100644
index 00000000..08bf50d4
--- /dev/null
+++ b/db_scripts/diff/10951.down
@@ -0,0 +1,3 @@
+USE provisioning;
+
+DELETE FROM language_strings WHERE code='Client.Voip.NoSuchSubscriber';
diff --git a/db_scripts/diff/10951.up b/db_scripts/diff/10951.up
new file mode 100644
index 00000000..68e20366
--- /dev/null
+++ b/db_scripts/diff/10951.up
@@ -0,0 +1,6 @@
+USE provisioning;
+
+INSERT INTO language_strings (code, language, string) VALUES ('Client.Voip.NoSuchSubscriber', 'en', 'Subscriber does not exist');
+INSERT INTO language_strings (code, language, string) VALUES ('Client.Voip.NoSuchSubscriber', 'de', 'Subscriber existiert nicht');
+INSERT INTO language_strings (code, language, string) VALUES ('Client.Voip.NoSuchSubscriber', 'es', 'Subscriber does not exist');
+INSERT INTO language_strings (code, language, string) VALUES ('Client.Voip.NoSuchSubscriber', 'fr', 'Subscriber does not exist');