Definitive Kerberos for engineers
5.0(3)IP in mobile networks
5.0(3)Total ISDN for engineers
5.0(3)Definitive H.323 for engineers
5.0(3)LTE optimisation and capability
5.0(3)Session Border Controllers for engineers
5.0(3)Managing networks with HP OpenView
5.0(3)Advanced Asterisk for Engineers
5.0(3)