diff --git a/db_scripts/diff/15099.up b/db_scripts/diff/15099.up
new file mode 100644
index 00000000..21325408
--- /dev/null
+++ b/db_scripts/diff/15099.up
@@ -0,0 +1,13 @@
+use provisioning;
+
+-- reserve 1-99 for internal use
+alter table voip_aig_sequence auto_increment=100;
+
+lock tables voip_allowed_ip_groups write, voip_usr_preferences write, voip_preferences write;
+select ifnull(max(group_id), 1)+100 into @gid from voip_allowed_ip_groups;
+select id into @aigid from voip_preferences where attribute = 'allowed_ips_grp';
+select id into @maigid from voip_preferences where attribute = 'man_allowed_ips_grp';
+update voip_allowed_ip_groups set group_id = group_id + @gid where group_id <= 100;
+update voip_usr_preferences set value = value + @gid where attribute_id in(@aigid, @maigid);
+update voip_aig_sequence set id = id + @gid;
+unlock tables;