I'm not sure we understand each other. If the signing person can speak to employers etc. now via the device, they can only speak back with their mouths, or poss

I'm not sure we understand each other. If the signing person can speak to employers etc. now via the device, they can only speak back with their mouths, or possibly speech recognition if well set up. The deaf person would have to be able to lip-read people who potentially don't know how to help them in that area. In other words, it might still be tricky to communicate.