Yes, not really getting the hang of this are we.
Over a month and 77 entries, yet still unable to duplicate the issue and to identify the problem. Unable to communicate the issue and potential resolution, and now hoping to push the blame onto BT in the hope they fix it for you or to shift responsibility. It is Virgin Media who have changed, not BT. It is therefore your issue, to identify and resolve. Lots of chat but zero customer service coming from Virgin Media . As previously stated, this now needs a manager to take responsibility (and identify themselves) for the issue. To have it duplicated in lab conditions, to correctly identify the issue, and to propose a solution. Regular reports on progress are required to the customers, not just platitudes.
I realise the team are doing their best in this forum but it is not here it needs to be addressed. It should also be noted that it was brought here as a last resort as no other mechanism got through or received a response. So can I please ask again that a full management response be provided as to what the issue is and what Virgin Media intend to do about it - and no, pushing the responsibility to BT for a change that Virgin Media Made does not cut it.
While I'm on the subject, is it possible to obtain a transcript of this discussion chain as it seems it may be necessary to take the issue up with external authoritative bodies? (I have just been on holiday and come back to a full recent calls list which I had to delete (unchecked) in order to even be able to use the perfectly good working apparatus only impacted when the new hub and service provided by Virgin Media came on line). The problem is a nuisance, the time spent chasing Virgin Media to take action excruciating, and the feedback (3rd hand at best) of little value. The ball is in Virgin Media's court - prove you are professional, can provide a valuable customer service, and truly respect and value the customer.