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.
Short Message Service (SMS) is a text messaging service component of most telephone, World Wide Web, and mobile telephony systems.[1][1] It uses standardized communication protocols to enable mobile phone devices to exchange short text messages.