Once done with the capturing of packets, in the pop up window you will be able to see all packets captured for each protocol. After a while, stop packet capturing and in the Main window you can see all the details of each packet captured. The details include IP address, destination IP address, type of protocol used and information present in the packet header. Now to analyze data, from the Analyze option, select Expert info. This will list packets according to the security filters, i.e., errors, warnings, notes and chats. You can also specify the type of packets you want to filter, like errors only, errors and warnings etc. Select on any packet to check its detail in the Main window. You can notice the hexadecimal codes dump of the packets, as well as, details about the source ports, destination ports, MAC addresses of the packets etc.

Captured RTP Streams of a voice conversation

If you want to view the summary of any packet, which has information like protocol hierarchy, details of conversation which took place at the time of the capture, the IO graphs etc, you can go to the Statistics tab to get all of these. If you have captured a VOIP conversation, then you can go to the RTP option and select Show all streams. In the pop-up window, you will notice all the streams of the conversation and you can select the one which you want to hear.

Graphical analysis of VoIP Streams

To analyze the stream, choose Payload option and save the file in .au format. Once this is done, you can hear one side of the conversation, to hear the other part of the conversation, repeat the same steps with the other stream.