Computer telephony integration, also referred to as CTI, is technology that allows interactions on a telephone and a computer to be integrated or co-ordinated.
The following functions can be implemented using CTI.
Calling Line Information Display (Caller's Number, Number Called, IVR Options)

A computer network is a system for communication among two or more computers.
Computer networks may be categorized with respect to range:
personal area network (PAN)
wireless PAN
local area network (LAN)
wireless LAN
metropolitan area network (MAN)
wide area network (WAN)
(Tiny area network (TAN)

Feathers are one of the epidermal growths that form the distinctive outer covering, or plumage, on birds. They are the outstanding characteristic that distinguishes the Class Aves from all other living groups. Other Theropoda also had feathers.