Whirlpool

Hey dudes i need help
Signed up to ADSL1 with exetel yesterday.

Couldn't use internet as only ADSL light was flashing on my Billion 7401VGP.
Reset modem, and got a solid ADSL light and PPP/MAIL light and internet started working perfectly.
Today in the afternoon, the adsl light started flashing again and I have no idea what to do. I have tried everything and don't know how to get the solid light on adsl and PPL/MAIL so as to get my internet working.

Any help would be massively appreciated.

Did you try to remove all the phone and filter and just connect the modem to the wall socket?

If it works, then start adding parts back in