db-schema/db_scripts/diff/15859.down

use provisioning;
alter table recording_streams
  drop index transcript_status_call_idx,
  drop column transcript_status,
  drop column transcript;

use kamailio;
alter table voicemail_spool
  drop index transcript_status_mailboxuser_idx,
  drop column transcript_status,
  drop column transcript,
  drop index mboxuser_msgnum_idx,
  add index mailboxuser_idx (mailboxuser);