00966    a2200193   4500003000500000005001700005020001800022040000900040082001600049100002500065245006900090260002800159300001700187505037700204650003500581942001200616999001900628952012500647Nust20221209104933.0  a0-273-02178-8  cNust  a621.382,RON1 aRonayne, John96551600aIntroduction to digital communications switching /cJohn Ronayne  aLondon :bPitman,c1986  a212p :bill.  aIntroduction 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).  aTelecommunication engineering.  2ddccBK  c213791d213791  00102ddc4070aMCSbMCScGENd2016-12-12o621.382,RONpMCS17601r2016-12-08w2016-12-12yBKzAlmirah No.35, Shelf No.5