You can get an excellent insight into the functionality and handling of the Allegro Network Multimeter in the webinar series, organized by treeConsult.
The dates and topics for "Network Troubleshooting with the Allegro Network Multimeter" are:
02.07. at 2 p.m. - Adaptation to the physical, logical organizational structure.
08.07. at 10 a.m. - Configuration check.
15.07. at 2 p.m. - VoIP quality management.
23.07. at 2 p. m. - Overload of connections and stations.
28.07. at 11 a.m. - Response time analysis
All times are CET (11 a.m. = 10 a.m. UK time).
treeConsult is a well-known systems house, specializing in software development, custom applications and IT infrastructure management.
Link to the treeConsult/Allegro Packages webinars: https://treeconsult.de/news/35-news/nm/63-allegro-serie-1
You can register for all, or for individual dates.