Examines the issues that have been created by the shift from analog to digital technologies, the shift from narrowband/wideband systems to broadband systems, and the shift to converged networks (i.e. networks able to convey voice, data, image and video traffic on a common platform) based upon packet switching and Internet Protocol (IP) suite. Prereq., TLEN 5210. TLEN 5380 and ATLS 5380 are the same course. Prerequisites: Restricted to Graduate Students only.