SET AUTOCOMMIT=0;
USE provisioning;

SELECT id INTO @mode_id FROM voip_preferences WHERE attribute = 'dialogic_mode';
SELECT id INTO @codecs_id FROM voip_preferences WHERE attribute = 'dialogic_out_codecs';
DELETE FROM voip_preferences_enum WHERE preference_id = @mode_id;
DELETE FROM voip_preferences_enum WHERE preference_id = @codecs_id;

DELETE FROM voip_preferences WHERE attribute = 'dialogic_mode';
DELETE FROM voip_preferences WHERE attribute = 'dialogic_ip_rtp';
DELETE FROM voip_preferences WHERE attribute = 'dialogic_ip_config';
DELETE FROM voip_preferences WHERE attribute = 'dialogic_out_codecs';
DELETE FROM voip_preference_groups WHERE name = 'Dialogic Settings';

COMMIT;