Tracker's atrocious after-sales service

I submitted an application form on behalf of my father. Instead of entering the e-mail address that was specified on the application form they entered my e-mail address. So they ignored the account holder's instruction as per the application form. Now I am phoning on my father's behalf to correct this. They refuse! They say that they need to get the instruction from the account holder, ignoring the fact that they made the mistake and can easily correct it by just looking at the application form. My father is elderly and find it difficult to handle these administrative issues. There are a few other issues with Tracker too. So far, I'm not impressed with their service. Only when they can sell will you get good service - I received 5 calls in two weeks when enquiring first, but after that, you'll be disappointed. I keep on getting e-mails saying that we'll receive a username and password - we've received nothing so far. My father opted for the activation fee and month-to-month contract. I get an invoice that doesn't charge that and doesn't explain what the items on the invoice is for. I suspect that they are forcing this to be a 3-year contract. I hope I am wrong.