Online Itu-t eLearning Training

VoIP Network Quality of Service Techniques This module investigates the QoS service details necessary to provide acceptable voice quality over the best effort data network. Here, we first discuss general converged network QoS requirements. We find that QoS parameters extend beyond just bandwidth and delay, but also include jitter, packet loss, network availability, and security. We discuss traffic shaping and admission control, and learn  more...

How TCP IP Applications Work This WestNet e-Learning module covers operation of application protocols, including Hypertext Transfer Protocol (HTTP), Telnet, File Transfer Protocol (FTP), and Simple Mail Transfer Protocol (SNMP). We will also introduce the ITU-T H.323 packet multimedia recommendations.  more...