the dslchecker shows the FTTPoD is available to you but that is not the same as FTTP for home users. FTTPoD is for business and you would be required to pay towards the installation which could be £1000s so the residential FTTP is not available as the dslchecker shows
if you are constantly dropping internet connection then is there any noise on your phone line when you try dialling 17070 option 2 using a corded phone