Worst Customer Service

My mother has a contract with Mix Telematics and a Beame device installed on her vehicle. As they advertise on their mail I tried to get the app working on my smart phone for her to check the status of the device. This did not work so I e mailed customer care on 31 May and promptly received an automatic reply with a case number. Since then nothing. Robot answer on *** but after selecting 4 for an agent no answer. Robot answer on *** and when I select 3 for a consultant no answer again. I have tried both numbers numerous times on different days since 1 June. The only way I can assume they are still in business is because the debit order runs regularly on the third of the month.