Documents CIS 725 Telephone protocols. Telephone systems Circuited switched system Call control software.

725_S08_Lecture20 CIS 725 Telephone protocols 1 Telephone systems Circuited switched system Call control software 2 OCM = originating call machine TCM = terminating call…

Documents CIS 725

725_S08_Lecture20 CIS 725 Telephone protocols 1 Telephone systems Circuited switched system Call control software 2 OCM = originating call machine TCM = terminating call…