Apple is offering satellite phone service. Starlink shown it's important in the Ukraine-Russia war. There is Starshield for the government uses. Whatever shortcoming of current telecommunication, Starlink can supplement it.
The emergency texting is also 2-way.
"Once you’re connected, your iPhone starts a text conversation with emergency responders by sharing critical information [...]
You might be asked to respond to additional messages. Only Latin characters (such as English or French) are supported in these messages. [...]"