Bigelow, Stephen J.Carr, Joseph J.Winder, Steve2018-10-312018-10-3120012001http://196.43.179.3:8080/xmlui/handle/123456789/8731.The Telephone System; 2.The Conventional Telephone Set; 3.Electronic Speech Circuits; 4.Electronic Dialing and Ringing Circuits; 5.Integrated Telephone Circuits; 6.Digital Transmission Techniques; 7.Electronics in the Central Office; 8.Network Transmission; 9.Modems and Fax Machines-Other Telephone Services; 10.Fiber Optic Technology..en-USBook