search for: phoneline_id

I''m new to RoR and trying to make a HABTM relationship work. I have no problems with displaying the fields (after I pumped the data into MySQL manually outside of RoR), but when I try to edit a record, it =does= save the changes in the primary record, but =not= the join table. When I look in the development log, I see the update to the main table, but nothing about the join