What this normally signifies that there is a local SNR problem and your circuit has been identified as the probable source. As the technician could not gain access he has disconnected your circuit at the street cabinet so other users are not affected. You do definitely need to get through to customer services as they need to gain access to check out the circuit. If you just wait for VM staff to get to your post it can take many days.
There are 10 types of people: those who understand binary and those who don't and F people out of 10 who do not understand hexadecimal