Tcpdump - Zycoo CooVox-U80 User Manual

After the process has competed the system will notify you that"Trace Complete" and you can
view which routes the packets have taken before reaching their final destination.
5.8.3 TCPDUMP
TCPDUMP is a common packet analyzer and allows users to capture TCP/IP and other packets
being transmitted or received over a network to which the CooVox IPPBX is attached. The
captured packets can be downloaded from the IPPBX system and thenanalyzed on your Windows
PC to display the SIP traffic details.A typical example of its use is to debug a VoIP call problem.
On System‐>Troubleshooting‐>TCPDUMP page you can do a capture on one of the CooVox IPPBX
Ethernet interface.
Select an interface and specify the duration for this capture then click on "Start", the process will
begin and now you can make a call to capture the problem.