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I cant get phone dial tone. message is check phone line.
Common cause of Home phone issue is a loosed handset, ensure to check the handset connection to the modem/router or the wall socket.
We did an article that you may find helpful, this will guide you on how to perform basic troubleshooting with the your home phone.
We responded to your initial post located here. https://community.tpg.com.au/t5/ADSL2-Installation/check-phone-line/m-p/46861#M1681