Deaf and Hard of Hearing Services We want to give you a moment of silence. No noise, no news, just silence. For over 10,000,000 members of the hearing impaired community in the U.S., that silence is not a choice. Unfortunately the majority of 9-1-1 centers in the U.S. have not yet deployed Text-to-911 infrastructure. Carbyne silent instant messaging works regardless of Text-to-911 infrastructure.