00525nam a2200181 a 450000500170000002000150001708200150003210000220004724500180006926000300008730000280011769000490014570000260019496400160022099700190023699900190025595200690027420251203110741.0  a8131203018  a005.8bRAN  aRansome, James F.  aVOIP Security  aNew DelhibElsevierc2006  axxvii, 402p.c26 cm. PB  aVoice over Internet Protocol (VOIP) Security  aRittinghouse, John W.  bcdefg_  a120668 LIBSC C  c101283d101283  00104070aPUbPUd2006-07-26g396.00l0o005.8 RANp120668yBK