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