► This Telecommunication Engineering app consists various important topics, which is very useful for every Telecommunication engineers.✦ 【Topics Covered Based On Below Concepts】 *Introductory Concepts *Introductory Topics In Telecommunications *Telephone Numbering and Routing *Introduction to the Busy Hour and Grade of Service *Simplex, Half-Duplex, and Full Duplex *Network Topologies *Rules of Conventional Hierarchical Networks *Standardization In Telecommunications *Signals Convey Intelligence *Basic Concepts Of Electricity For Communications *Conveying Intelligence over the Electrical Telegraph *What Is Frequency? *Introduction to Phase *Electrical Signals *Introduction To Transporting Electrical Signals *Coaxial Cable Transmission *Radio Transmission *Quality Of Service And Telecommunication Impairments *Voice Transmission *The Three Basic Impairments And How They Affect The End-User *Level *Transmission And Switching: Cornerstones Of A Network *Introduction To Switching *The Essential Functions of a Local Switch *Introductory Switching Concepts *Stored Program Control *Essential Concepts In Transmission *Introduction To Multiplexing *Transmission Aspects Of Voice Telephony *Operation Of The Telephone Subset *Subscriber Loop Design and much more...