Signal’s mission and sole focus is private communication. For years, Signal has kept your messages private, your profile information (like your name and profile photo) private, your contacts private, and your groups private – among much else. Now we’re taking that one step further, by making your...
Finally, we can have usernames in Signal instead of giving our phone number to everybody.
This is VERY debatable because statements that broad are almost always false. There is no need to have a cellular->IP->cellular bridge for 1:1 communication involving more servers, more service providers. If anyone wanted to they could implement at least the 1:1 signal protocol and probably even the messaging layer security protocol on top of SMS to get e2ee group communications.
Nobody wants to because cell providers sell SMS for horrendous prices compared to internet access.
Just cost? Absolutely no. Internet protocols are better in so many ways that phone based messaging should be obsolete for years.
This is VERY debatable because statements that broad are almost always false. There is no need to have a cellular->IP->cellular bridge for 1:1 communication involving more servers, more service providers. If anyone wanted to they could implement at least the 1:1 signal protocol and probably even the messaging layer security protocol on top of SMS to get e2ee group communications.
Nobody wants to because cell providers sell SMS for horrendous prices compared to internet access.