Slide 19.1 9-1 TELEPHONE NETWORK Telephone networks use circuit switching. The telephone network had its beginnings in the late 1800s. The entire network, which is referred…
DATA COMMUNICATIONS & NETWORKING LECTURE-18 Course Instructor : Sehrish Rafiq Department Of Computer Science University Of Peshawar TELEPHONE NETWORKS TELEPHONE NETWORKS…
TELEPHONE NETWORK Telephone networks use circuit switching. The telephone network had its beginnings in the late 1800s. The entire network, which is referred to as the plain…