circuit switching.
There are four possible combinations of encoding techniques -Digital data, digital signal -Digital data, analog signal -Analog data, digital signal -Analog data, analog signal
the digital carrier loop system
a frame in computer network, is a digital data transmission unit.
http://wiki.answers.com/Q/How_is_the_data_and_imformation_transimited_over_public_telephone_network,public switched telephone networks and intergrated service digital networks.
See the related link below.
Adaptive delta modulation is a analog-to-digital and digital-to-analog conversion technique which is primarily used for voice transmission data and can be used for multiple purposes.
Adaptive delta modulation is a analog-to-digital and digital-to-analog conversion technique which is primarily used for voice transmission data and can be used for multiple purposes.
Adaptive delta modulation is a analog-to-digital and digital-to-analog conversion technique which is primarily used for voice transmission data and can be used for multiple purposes.
PDH stands for Plesiochronous Digital Hierarchy. It is a technology that is used in telecommunications networks to send large quantities of data over digital transport equipment, like fiber optic and microwave radio systems.
meaning of data capture technique
D. V. Glen has written: 'Guidelines to telecommunications interconnection requirements for message input to the USPS E-COM System' -- subject(s): Data processing, Telecommunication systems 'Integrated services digital networks, standards, and related technology' -- subject(s): Digital communications, Digital integrated circuits 'Reference manual for packet mode standards' -- subject(s): Packet switching (Data transmission) 'Networks, signalling, and switching for post-divestiture and the ISDN' -- subject(s): Digital telephone systems, Electronic Telephone switching systems, Integrated services digital networks, Telephone switching systems, Electronic
n Digital data, digital signal n Equipment less complex and expensive than digital-to-analog modulation equipment n Analog data, digital signal n Permits use of modern digital transmission and switching equipment n Digital data, analog signal n Some transmission media will only propagate analog signals n E.g., optical fiber and unguided media n Analog data, analog signal n Analog data in electrical form can be transmitted easily and cheaply