How do you build a communications app for a population that can't communicate via voice? Previously, those hard of hearing and deaf have to deal with expensive hardware and privacy issues just to communicate over the phone. Today we have tools to build forms of communication that allow the deaf to communicate with anyone, with or without a smartphone. Learn about Deaftel's challenges and experience in this community, as well as exploring cloud-powered telephony as a solution for those who struggle with communications tools.