Teletext

[Dianne]

1. noun, the [text message] you send to the person you are currently [on the phone] with.
   2.) the act of [sending] a text message to a person while on the phone with them

[Oralee]

A news and information service in the form of text and graphics, transmitted using the spare capacity of existing television channels to televisions with appropriate receivers.

[Jessica]

a brand name for a system for giving written information on many subjects (such as news and sports results) by television