@quando
"and the estimated fix date has gone from today to the 8th April"
Ha, ha, ha.
Good luck.
The last time I had to deal with those incompetent morons was with my parents.
I found the issue in less than 30 seconds of looking at the router (clock sync issue at the exchange meant it was resetting EXACTLY every 5 minutes)
First the 15 calls the the useless Indian call centre .
Then engineer comes out replaces wall socket (even he said it wouldn't work after I told him the issue).
I then told the call centre that neighbours were having the same issue (still insisted on rebooting the TiVo box despite the entire internet dropping).
Another engineer came out replaced the external wiring.
I once again pointed out several other people I know had the same issue. Ignored.
Phoned up help desk again and had found out that everyone having issues were old Telewest customer and even people on a different street had same issue.
Ignored.
Several engineers came out and started working on the street box AND Virgin had sent out engineers to a neighbours house to fix the same issue, unaware that they were already working on the street box for the same issue .
Pissed off I went and spoke to the guys.
They were saying it was probably down to the hot weather.
So when I said how come it happens 24/7 they were stumped.
I told them everything and said it was an exchange issue, they were adamant it wasn't and it was the street box.
So when I pointed out that it was only the original Telewest customers affected, that our phone numbers were only a few digits apart and that we were on different streets, they couldn't give an answer.
The issue was resolved, by everyone leaving Virgin.
Source: I did telecoms for 20 years and I can spot an clock sync issue in minutes.