Lab – reassembling a SIP telephone conversation
In this hands-on lab, you will discover the security flaws found within the SIP protocol and how to assemble all the SIP packets and listen to a VoIP conversation that occurred over a network. To get started with this hands-on exercise, follow these steps:
- Go to https://wiki.wireshark.org/SampleCaptures and download the
MagicJack+ short test callfile:
Figure 6.62 – Downloading the sample file
- Next, open the
MagicJack+ short test callsample file using Wireshark to view all the captured packets:
Figure 6.63 – SIP packet capture
- Next, click on Telephony | VoIP Calls on the Wireshark menu bar:
Figure 6.64 – Telephony menu
- Next, the VoIP Calls window will appear and display all the VoIP conversations that were found within the packet capture. You may need to press Prepare Filter before clicking on Play...
