Telephone line interface option module.

摘要

The invention is an apparatus (option module) (50) for interfacing an electronic device (main module) (10) to a telephone network. The invention contemplates that the main module, in a preferred embodiment, is a text-to-speech device. The interconnection of an electronic device with the telephone network is generally controlled by government regulations. Since there are many governments, there are many different sets of regulations. The option module is an implementation of a telephone line interface that isolates a main module, in particular, a text-to-speech device, from different and/or changing regulations.