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SIP traffic missing

asked 2021-10-22 19:14:25 +0000

netguy28655
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I have mirrored the port that the phone is on. I have a new installation of Wireshark with default configuration. I am able to create a capture file while I am receiving and and making phone calls. When completed, I do not have any SIP traffic in the file. Is this a Wireshark configuration setting or more of a switch/phone issue? The calls are successful.

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The default port for SIP is 5060. Can you verify if the capture has either UDP port 5060 or TCP port 5060 packets?

BigFatCat ( 2021-10-23 08:16:40 +0000 )edit

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answered 2021-10-23 05:38:46 +0000

flag of Netherlands

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Wireshark shows SIP traffic right out of the box, so this would likely be an issue with the way capture is setup. Either the switch mirror configuration, VLAN tagging, etc.

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The traffic may be encrypted.

Anders ( 2021-10-23 21:27:54 +0000 )edit

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Asked: 2021-10-22 19:14:25 +0000

Seen: 828 times

Last updated: Oct 23 '21