Not happy

I signed up with home connect on the 20th of March and my Fibre was only installed on the 16th of April after numerous calls and emails that were not being answered .But still today I am not up and running because when the guys came to install the fibre they said my box is not active and they will come the next day which was Friday to fix this till today nobody has come I have been trying to call Home Connect and I can't be through cause I hold on forever and they don't respond to my emails can somebody please tell me when will get a response