00538    a2200169   4500010001400000020002300014035001300037037001800050082001000068100001800078245010700096260005000203270004400253300003300297500002000330700001800350  aENG-86035  a0070647658c495.00  aEN-69568  bD.B.Act / Pub14a005.81 aEndler, David1 aHacking exposed VolP :bvoice over IP security secrets & solutions /cby David Endler and Mark Collier  aNew DelhibTata Mc-Graw Hill Publishingc2007  a7, West Patel NagarbNew Delhie110 008  axxvii, 546 p.c23 cm. (Pbk.)  aIncludes index.1 aCollier, Mark