Digital Telephony

FromthereviewsoftheSecondEdition."Thebookstresseshowsystemsoperateandtherationalebehindtheirdesign,ratherthanpresentingrigorousanalyticalformulations.[Itprovides]thepracticalityandbreadthessentialtomasteringtheconceptsofmoderncommunicationssystems."-TelecommunicationJournalInthisexpandedneweditionofhisbestsellingbook,telephonyexpertJohnBellamycontinuestoprovidetelecommunicationsengineerswithpractical,comprehensivecoverageofallaspectsofdigitaltelephonesystems,whileaddressingtherapidchangesthefieldhasseeninrecentyears.Bellamydiscussesthenear-completeconversiontodigitaltechnologyintelephonenetworksworldwide,examinesbothexistingandemergingtechnologies,andexplorestheintricaciesofcarryingvoiceoverdatanetworksaswellastheuseoftelephonenetworksforcarryingdataforInternetaccess.Heemphasizessystemdesign,implementation,andapplication,butalsocorrelatesthepracticetocommunicationstheory.With30percentnewmaterial,DigitalTelephony,ThirdEditionfeatures:*Clearexplanationsonhowtoovercomeproblemsassociatedwiththereplacementofoldanalogtechnologywithnewdigitaltechnology*Anewchapterondigitalmobiletelephonetechnology*Newmaterialonhow,datanetworkssupportvoicecommunication*Anewchapterondigitalsubscriberaccesstechnologies*Morethan300graphsillustratingconcepts*ExamplesfromtheU.S.networkaswellasITUpublictelephonenetworks*AnInstructor'sManualpresentingdetailedsolutionstoalltheproblemsinthebookisavailablefromtheWileyeditorialdepartment.