hi - did you get your problem solved and if so how? I have the same problem with very similar technical readings.
you need to post the stats from your router - if hh5 go to troubleshooting then helpdesk and post 1-12
run btspeedtster and after first test run diganostic test and post results
enter phone number and post results remember to dlelet number https://www.btwholesale.com/includes/adsl/main.html