Hi   I'm an existing TPG customer and at 3:15 AM (today) I received the following text message -   TPG: NBN installation complete! If porting your number allow 1-5 working days. For setup help visit https://tpg.com.au/setuphelp   - so I checked my home phone this morning and I have no dial tone. When I call my home number I get the "Your call could not be connected. Please check the number and try again. OCA 0188" message and can't dial out, either. I've undertaken NO work to be done on my connection and have NOT initiated any number porting.   My phone physically connects into the internal NBN wall box & I've disconnected my handset and tried a second handset, to no affect.   My acc. email is   EDIT: resolved, dial tone has returned & can call in/out.     ... View more