Text messaging and instant messaging are similar because they are both used to send text messages. However, text messaging ("texting") uses the cellular phone service, whereas instant messaging ...

A system that sends text messages from one user to one or more other users. Email, chat and texting are the major messaging systems. Images are also included. THIS DEFINITION IS FOR PERSONAL USE ONLY.

Unified messaging (UM) enables access to faxes, voice mail and e-mail from a single mailbox that users can reach either by telephone or a computer equipped with speakers. Computer users can select and ...