► 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 In