00829 a2200181 4500 Nust 20221209104933.0 0-273-02178-8 Nust 621.382,RON Ronayne, John 65516 Introduction to digital communications switching / John Ronayne London : Pitman, 1986 212p : ill. Introduction to communications switching (Page-3), Introduction to communication transmission (Page-20), Pulse code modulation (Page-29), Error sources and prevention (Page-50), Digital exchanges and switching(page 70)6.digital exchanges and control (Page-99), The digital network (Page-128), Digital frontiers (Page-165), System review and the next generation (Page-182). Telecommunication engineering. ddc BK 213791 213791 0 0 ddc 0 0 MCS MCS GEN 2016-12-12 621.382,RON MCS17601 2016-12-08 2016-12-12 BK Almirah No.35, Shelf No.5