Telephone - Digital Telephony - Article Index

Encyclopedia - Telephone: Encyclopedia - Telephone
The telephone or phone (Greek: tele = far away and phone = voice) is a telecommunications device which is used to transmit and receive so...   » Read the article

Encyclopedia - Telephone: Encyclopedia Ii - Telephone - Introduction
There are four principal means by which an end user using a telephone handset may connect to a telephone network: a traditional fixed pho...   » Read the article

Encyclopedia - Telephone: Encyclopedia Ii - Telephone - Voip Telephony
Also known as Internet telephony or Voice over IP (VoIP), digital telephony is a disruptive technology that is rapidly replacing traditio...   » Read the article

Encyclopedia - Telephone: Encyclopedia Ii - Telephone - History
The very early history of the telephone is a confusing morass of claim and counterclaim, which was not clarified by the huge mass of laws...   » Read the article

Encyclopedia - Telephone: Encyclopedia Ii - Telephone - Wireless Phone Systems
While the term "wireless" means radio and can refer to any telephone that uses radio waves it is primarily used for cell phones. In the U...   » Read the article