ALTER TABLE contact ADD COLUMN allow_bypass_forward varchar(3);
UPDATE contact SET allow_bypass_forward='no' WHERE allow_bypass_forward IS NULL;
ALTER TABLE contact ALTER allow_bypass_forward SET NOT NULL;
ALTER TABLE contact ALTER allow_bypass_forward SET DEFAULT 'no';

ALTER TABLE phoneline ADD COLUMN bypassable_forward varchar(3);
UPDATE phoneline SET bypassable_forward='no' WHERE bypassable_forward IS NULL;
ALTER TABLE phoneline ALTER bypassable_forward SET NOT NULL;
ALTER TABLE phoneline ALTER bypassable_forward SET DEFAULT 'no';
