We double checked which calls failed on our monitoring system and I was given a few calls (4) that I needed to find in the massive capture. Once the capture had completed, I saved it and sorted by SIP again, which was a ton of data. This ended up being a ton of data, but as it was capturing I filters by typing “SIP” into the filter section on Wireshark to verify the correct packets being captured. Once I had the mirroring down, I began the capture while our system called our customers for their courtesy calls. I mirrored the ports that we needed on our switch (as far as I know, all switches can do this). I’ve been working on monitoring our SIP traffic on our phone system and have yet to find a comprehensive how-to on monitoring the traffic and filtering it utilizing Wireshark.įirst, you must monitor the network traffic to get the needed information.
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