To recap a speculative post I made some time back, seems to me that at least in those (quite widespread) situations where copper (or cable, or fiber) connections to business and residential premises already exist, or will continue to be created:
a) VOIP telephone service totally without 911 could be the norm.
b) All of the existing "hardwired connections" could continue to exist (including copper pairs included in or installed with fiber or TV cables), but would extend only to the telco (or cable, or fiber) "central office" and not be expected to provide any telco service beyond that point.
c) These would however provide the hard-wired connections not just for "911" services (activated perhaps by "pushbuttons" or the equivalent in the hardwired premises), but also for many other kinds of related security services (fire alarms, home security systems, home control systems, alarm bracelets for the elderly, "iPots", etc), provided by vendors who would take over the wiring infrastructure, and very possibly some or all of the CO facilities, from the telco. Utility meter reading via these hardwired connections would be another potential user -- not to mention DSL for those cases where cable, fiber or wireless didn't provide the broadband services to a given premises.
I appreciate there are many sunk costs, vested interests, and so on in this whole infrastructure, so it may not be obvious how to get from here to there; but if the vast majority of telephone traffic ended up on VOIP, wouldn't this make some sense, and in fact, maybe be the way in which you'd set up new green-field developments?