International, regional and corporate classification - friend and foe of the user Arndt Mecke (Siemens AG, Munich)
Telephone system Structure of the Telephone System The Politics of Telephones The Local Loop: Modems, ADSL and Wireless Trunks and Multiplexing Switching.
Chapter Twelve Voice and Data Delivery Networks. 2 Introduction General, we used to go into either – data communications or voice communications Today,
Chapter Twelve
