Voice over Internet Protocol (VoIP) Security  (English, Paperback, Ransome, PhD, CISM, CISSP James F.)

Voice Over Internet Protocol Security has been designed to help the reader fully understand, prepare for and mediate current security and QoS risks in today's complex and ever changing converged network environment and it will help you secure your VoIP network whether you are at the planning, implementation, or post-implementation phase of your VoIP infrastructure.