db-schema/db_scripts/diff/15450.down

USE provisioning;

DELETE FROM voip_sound_handles WHERE name = 'announce_before_call_setup';
DELETE FROM voip_sound_handles WHERE name = 'announce_before_recording';

DELETE FROM voip_preferences WHERE attribute = 'play_announcement_before_call_setup';
DELETE FROM voip_preferences WHERE attribute = 'play_announcement_before_recording';