It may not be the answer to you query but I had this on Saturday between 4pm to 8pm. There were no errors reported on the BT 0800 number.
You may be suffering the same thing. If I were you I'd change nothing at the moment.
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
This poetic animation about monsters is illustrated in a Van Gogh painterly style
How to get WWDC 2017 tickets
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.