In this section, we'll take a look at how SIP works when a connection is created between two phones, and how RTP works to transmit the live data between the two.
The example capture that we'll use for this chapter and the next one is available on the Wireshark SampleCaptures page (https://wiki.wireshark.org/SampleCaptures). If you scroll down and look for the SIP and RTP section, we'll be using the MagicJack+ short test call:
Download MagicJack+ short test call and open it in Wireshark.
Once you have that open, we'll take a look at our capture and notice that we have a variety of packets; it has not been yet been cleaned up: ...
