Try checking your VOIP speedwith the following program:
http://myvoipspeed.visualware.com/ BTL is allowing a good download speed and a very low upload speed. Web pages are OK to load but when you try to change pages it all slows down.
In the past, I have only bedd able to attach one picture to an email. It used to take less than one minute to upload. Now it takes between two to three minutes.
Bottom line, they have managed to block VOIP at the expense of screwing up all their other services. No body wins except Michael Ashcroft, the rich Brit, who now owns controlling interest in BTL. The money all goes off shore.