00689nam a22002297a 4500003000400000005001700004008004100021020001800062028000800080082001800088100002000106245007900126260006000205300003500265655002400300655002800324655003700352655001900389655002100408942001300429999001700442SNU20140731230010.0140731b        xxu||||| |||| 00| 0 eng d  a9780130141187  aHCL  a621.38212 DOU  aDouskalis, Bill  aIP telephony b: the integration of Robust VoIP servicesc/ Bill Douskalis  aUpper Saddle River, NJ b: Prentice Hall PTRc, ©2000.  axi, 331 p. b: ill. c; 24 cm.  aInternet telephony.  aDigital communications.  aMulticasting (Computer networks)  aBill Douskalis  acomputer science  2ddccHCL  c21801d21801