Hi @zhangsj,   Welcome to TPG Community!   We have located the account using your community details and we can see that you have been in touch with our Engineering Team.   As advised, you will need to contact your Home Phone Service provider as they need to investigate first why the home phone service is not working.   Your TPG internet service depends on the quality of your home phone service. This is how your account and ADSL service is set up.   Let us know should you have further queries. ... View more