At 17:50 we had a large number of TalkTalk lines drop and reconnect... investigating.
One of our links to TalkTalk in Telehouse has lost link and caused lines to drop and reconnect.
Most customers reconnected within a minute or so.
The link the TalkTalk is back up, and we're awaiting further information from TalkTalk.
TalkTalk had a line card problem on a router in Telehouse. Customers routing through it at the time dropped and reconnected via alternative routes in to our network.