said by jfmezei:....There are even rumours that Bell spent money to block touch tone dialing on those grand fathered lines.
They absolutely DID, and the earliest method was a physical filter at the CO to make the CO not 'Hear' the TT if you tried to dial that way.
However, as soon as the connection was established using pulse, you could switch your phone to 'Tone' and access various services like telephone banking, etc.
My father did this until 2007, when he moved to a retirement home and got a new number, as the home was in a different community, and then had to take and pay for TT from B$ELL.
BTW, almost all calling features can be used without TT, yet B$ELL periodically promotes a bald-faced lie to the contrary, to try to coerce the remaining grandfathered pulse-peeps to give up pulse when they have not moved (the main criteria for ending grandfathering).