00554    a2200181   4500010001400000020002300014035001300037037001800050082001200068100002300080245008700103250001200190260005000202270004400252300003300296500002000329700002300349  aENG-86041  a0070647666c595.00  aEN-69574  bD.B.Act / Pub14a621.3821 aBates, Regis [Bud]1 aVoice & data communications handbook /cby Regis, [Bud] Bates and Donald W.Gregory  a5th ed.  aNew DelhibTata Mc-Graw Hill Publishingc2007  a7, West Patel NagarbNew Delhie110 008  axxvii, 651 p.c23 cm. (Pbk.)  aIncludes  index1 aGregory, Donald W.