Since the upstream speed was upgraded on Nov 16th my broadband has been experiencing intermittent outages. According to the router log it is just a 'hit' i.e. it immediately recovers. The downstream would previously sync at around 27mbps but now it syncs anywhere between 34 and 39mbps. Before the upgrade the line was rock solid. The frequency varies i.e. from twice in one day - once there was a gap of 6 days. For this reason I think a BT fault would be pointless (if even accepted) as it would just be returned as NFF.
I work from home so reliability is far more important to me than speed. I've already had one disconnected call, it's only a matter of time before it drops again during another meeting.
How do I go about requesting this? Should I use faults.plus.net ?
Note: The BT availability checker gives 30.6mbps as the max achievable speed. For the record, router has been power reset at least once and I have tried two replacement router cables. Router is TP-Link TD-W9980. I have recorded the times of all the outages since 21 Nov if needed.