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IP telephony [ edit ] Main article:  Voice over IP A commercial IP telephone, with keypad, control keys, and screen functions to perform configuration and user features. The field of technology available for telephony been broadened with the advent of new communication technologies. Telephony now included the technologies of Internet services and mobile communication, including video conferencing. The new technologies based on  Internet Protocol  (IP) concepts are often referred to separately as voice over IP (VoIP) telephony, also commonly referred to as IP telephony or Internet telephony. Unlike traditional phone service, IP telephony service is relatively unregulated by government. In the United States, the Federal Communications Commission (FCC) regulates phone-to-phone connections, but says they do not plan to regulate connections between a phone user and an IP telephony service provider. [ citation needed ] A specialization of digital telephony, Int...
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~ (CCS) A unit used (in North America) to quantify the total traffic running in a network. 1 CCS is 100 call-seconds. That means 1 CCS could be 2 calls of 50 seconds duration or 20 calls of 5 seconds duration. ~ Also known the hundred call second ~ 1 CCS = 100sec call    = 100sec x 1 min / 60 sec x 1 hour / 60 min    = 1 / 36 Erlang
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Introduction Of Teletraffic Engineering

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Introduction Of Teletraffic Engineering Telecommunications traffic engineering ,  teletraffic engineering , or  traffic engineering  is the application of traffic engineering theory to  telecommunications . Teletraffic engineers use their knowledge of  statistics  including  queuing theory , the nature of traffic, their practical models, their measurements and  simulations  to make predictions and to plan telecommunication networks such as a  telephone network  or the  Internet . Traffic is defined as a total number of call passing through over a trunk.Channel is defined as a transmission medium.The field was created by the work of  A. K. Erlang  for  circuit-switched  networks .A good example of the use of teletraffic theory in practice is in the design and management of a  call center . Call centers use teletraffic theory to increase the efficiency of their services and overall profitabi...
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