I think she means like PTT (push to talk) like a walkie talkie. Where you could just force a message on to someone like you can with text messages, only you don’t type it you just talk it but I get it, she has the technology in her hands and just doesn’t know how to harness it but I am babbling now… Look what is that over there.
Don’t current smart phones have a function where you can speak your message out loud and it will send it as a text message to your friend who then has a phone which will read their texts out loud to them?
Of course, you probably have to be able to pronounce words correctly. Samantha probably calls the Pacific ocean the “Specific” ocean.