USE billing;

SET AUTOCOMMIT=0;

SELECT id INTO @sip_id FROM billing_mappings WHERE class = 'sipaccount';
UPDATE billing_mappings SET product_id = NULL WHERE product_id = @sip_id;

SELECT id INTO @pbx_id FROM billing_mappings WHERE class = 'pbxaccount';
UPDATE billing_mappings SET product_id = NULL WHERE product_id = @pbx_id;

DELETE FROM products WHERE class IN ('sipaccount', 'pbxaccount');

USE provisioning;
DROP TABLE voip_pbx_groups;

COMMIT;