Requested a line moval.but waiting 4 months

I moved to a new house and requested that my line is moved to the new house in wich they rep**** that it wil take 21 working days.thats about 4 months back already.there was one of their technicians at my house this past week on Tuesday and said he will return the folowing day.but like all times before that it didn't happen...its Sunday and I'm still waiting....with no reply of them on moving the appointment...