Hacking exposed : unified communications & VoIP security secrets & solutions (2nd ed.)
Collier, Mark
Hacking exposed : unified communications & VoIP security secrets & solutions (2nd ed.) Mark Collier and David Endler - 2nd ed - New York McGraw-Hill Education 2014 - xxvi, 531pages illustration 24cm
Includes bibliographical references and index
9780071798761
Computer networks--security measures
Internet telephony--security measures
Hacking exposed : unified communications & VoIP security secrets & solutions (2nd ed.) Mark Collier and David Endler - 2nd ed - New York McGraw-Hill Education 2014 - xxvi, 531pages illustration 24cm
Includes bibliographical references and index
9780071798761
Computer networks--security measures
Internet telephony--security measures