diff --git a/db_scripts/diff/15143.up b/db_scripts/diff/15143.up
new file mode 100644
index 00000000..36c39381
--- /dev/null
+++ b/db_scripts/diff/15143.up
@@ -0,0 +1,7 @@
+use provisioning;
+set autocommit=0;
+
+alter table autoprov_devices change column bootstrap_uri `bootstrap_uri` varchar(255) DEFAULT '',
+change column type `type` enum('phone','extension') DEFAULT 'phone';
+
+commit;
diff --git a/db_scripts/diff/15144.down b/db_scripts/diff/15144.down
new file mode 100644
index 00000000..c9c53e1a
--- /dev/null
+++ b/db_scripts/diff/15144.down
@@ -0,0 +1,6 @@
+use provisioning;
+set autocommit=0;
+
+alter table autoprov_devices drop column extensions_num;
+
+commit;
diff --git a/db_scripts/diff/15144.up b/db_scripts/diff/15144.up
new file mode 100644
index 00000000..5e359b71
--- /dev/null
+++ b/db_scripts/diff/15144.up
@@ -0,0 +1,6 @@
+use provisioning;
+set autocommit=0;
+
+alter table autoprov_devices add column extensions_num tinyint unsigned;
+
+commit;