Live Transcribe is not private and secure. It's not approved for conversations in medical or banking facilities where privacy and security is very important. That may be why it's not working in those situations. Same for business conference rooms where the conversations may be propietary. For a secure system that does work with WiFi and cellular data (the transmissions are fully encrypted) use http://www.streamer.center. It costs about $8.25/mo for unlimited use with as many people as you want (you're encouraged to share your subscription with others).