rootâ² canal` ther`apy. n. 1. the branch of endodontics that treats disease of the dental pulp. 2. a treatment for such disease in which the pulp is removed and replaced by filling material.
A textphone is a device that enables phone calls to be made using text. Textphone software can be used on a computer to enable it to be used as a textphone.
As long as a phone can transmit a signal to a cellular network, it is a cell phone. The term Cell Phone is interchangeable with the terms Cellular Phone and Mobile Phone. They all mean the same thing. The term Smartphone has come to mean a cell phone which offers more advanced features than just calls, SMS messages and basic organizer software.