A computerized alert mode management method of a communication device, the communication device includes a sound capture unit. In an exemplary method, the server obtains from the client at least one request associated with the given process. The respective conductive layers are electrically connected to respective video signal lines. Portions of a multicast join request are sent together with a corresponding encrypted version. It could be shown that up to now specifically substituted phenanthridine derivatives of the prior art neither have a known nor an antitumoral activity that is to be expected. The compounds exhibit antiviral and antitumor properties.