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Telephony -> VoIP Calls shows nothing

asked 2018-10-22 14:46:59 +0000

stewart gravatar image

updated 2018-10-22 15:31:11 +0000

I've seen this asked a few times and I've checked as best as I can but nothing I've seen has been a solution.

The packets are all on port 5062. The SIP is set to 5060 by default. I've set the protocol to both ports but neither produce any results. If I filter for "sip" I see all of the SIP packets. I've tried in version 1.4.0 on an old laptop and version 2.4.6, both with the same results.

I don't believe it is SIP over TLS. If it were, I believe I'd get no results on the "SIP" filter. I can see all of the detail of the SIP packets. RTP also sees no streams but I assume that's because it can't see the SIP packets.

Any help would be greatly appreciated. Thanks!

EDIT: I've uploaded a call example with the password of "WireShark" here:

I assume there is no way to anonymize the file so I hope it doesn't cause any problems.

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If you could share the capture file it would make it a lot easier to advice. Any accessible file sharing service will do.

Jaap gravatar imageJaap ( 2018-10-22 15:15:36 +0000 )edit

@Jaap I've added it to the original question. Thanks for the response!

stewart gravatar imagestewart ( 2018-10-22 15:32:13 +0000 )edit

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answered 2018-10-22 22:01:14 +0000

vweng2013 gravatar image

The VoIP payload data were not captured in the file. (SIP truncated) You could see that the captured length is always smaller or equal to the on-wire-length.

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Would you know if that is part of the tcpdump command? I just ran: tcpdump -i em0 -w trace.cap

This may be a question to ask somewhere else but I don't' have that issue on any other device that I capture on.

stewart gravatar imagestewart ( 2018-10-23 19:31:16 +0000 )edit

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Asked: 2018-10-22 14:46:59 +0000

Seen: 1,417 times

Last updated: Oct 22 '18