1. Check master socket, try different filters, nothing else on line.
2.Check settings
3.Check adsl status
ADSL faults
mail.plus.net
relay.plus.net
VPI-0
VCI-38
ENCAP-PPOA
MOD-g.dmt
access runner control panel on desktop
Hold ALT and press C then change line setup from g.dmt to ANSI
5th or 6th step- disable firewall