No, it's not a one or the other thing. Phone calls don't work like web apps. Hell, most land lines aren't actually copper either , they're essentially VoIP. A phone call is not just a socket connection. Look up SS7 and PSTN. It's quite literally impossible to change any of this stuff, it's far too embedded.
No, it's not a one or the other thing. Phone calls don't work like web apps. Hell, most land lines aren't actually copper either , they're essentially VoIP. A phone call is not just a socket connection. Look up SS7 and PSTN. It's quite literally impossible to change any of this stuff, it's far too embedded.