negligent

I have taken a contract with Netstar ( car tracker) Feb 2017. They gave a panic button also, so on the 22/02/2017 I pressed the button to see if it was working? it was working they did received the signal and called to check if the car was fine. last week Friday 22/09/2017. I pressed the panic button to see if it was still working? unfortunately not because they never called me. I have escalated to net-star, as I am paying for this car tracker monthly. they called me, the consultant I spoke to said they will transfer my call to control room. however the call just cut, they never bothered to call again. I sent numerous emails no one has contacted me.

My frustration is I am paying this every month and now that I check this this is not working, and what if the car was in danger, I press that thing and no response. so basically I have been paying 7months for nothing.