US Patent 8416925 Device independent text captioned telephone service

A method and apparatus for commencing a caption assisted telephone call using a combination of a first party telephone terminal and a first party Network appliance, the method comprising the steps of connecting the first party Network appliance to a relay, using the first party Network appliance to specify a first party call back telephone number, using the relay to dial the first party call back telephone number, specifying a confirmation activity that must be performed via the first party telephone terminal in order to continue a telephone call process, when the first party telephone terminal is answered, monitoring activities via the first party telephone terminal and when the confirming activity occurs, continuing the telephone call process.