HP Notebook - 15-f162dx (ENERGY STAR) Get the features you need and the reliability you expect with this value-packed HP Notebook. Enjoy your favorite photos or videos with the stunning HD display and easily take it on the road with a thin design combined with security features to protect your data. See it clearly with HD.
Telecommunications is a general term for a vast array of technologies that send information over distances. Mobile phones, land lines, satellite phones and voice over Internet protocol (VoIP) are all telephony technologies -- just one field of telecommunications. Radio, television and networks are a few more examples of telecommunication.
(May 2013) Telephony (/tÉËlÉfÉni/ tÉ-LEF-É-nee) is the field of technology involving the development, application, and deployment of telecommunication services for the purpose of electronic transmission of voice, fax, or data, between distant parties. The history of telephony is intimately linked to the invention and development of the telephone.