[asterisk-users] VoIP monitor and multiple RTP streams

Dovid Bender dovid at telecurve.com
Mon Aug 14 11:52:42 CDT 2017


Marcelo,

You need to look at the box changing the SSRC and figure out why it's
changing it. Where are you seeing the multiple rows in MySQL or wireshark?


On Mon, Aug 14, 2017 at 11:24 AM, Marcelo Terres <mhterres at gmail.com> wrote:

> Hello.
>
> Is someone here using VoIPmonitor?
>
> I am using just the sniffer and I found some pcap files that contain some
> odd streams.
>
> For example, I have a file with 3 streams, but the weird stuff is that 2
> streams are the same (e.g., have the same source address and port and same
> destination address and port).
>
> Example:
>
> "Source Address","Source Port","Destination Address","Destination
> Port","SSRC","Payload","Packets","Lost","Max Delta (ms)","Max
> Jitter","Mean Jitter","Status"
> "6X.XXX.XXX.XXX",34170,"1XX.XXX.XXX.XXX",10602,277011456,"g7
> 11A",7289,0,21.303999999996449,21.265543809819981,0.073286945955809715,""
> "1XX.XXX.XXX.XXX",10602,"6X.XXX.XXX.XXX",34170,2020146713,"
> g711A",2099,0,36.296999999998661,2.9025967411766738,0.97877393850963945,""
> "1XX.XXX.XXX.XXX",10602,"6X.XXX.XXX.XXX",34170,325951803,"g7
> 11A",4949,0,41.879000000000815,4.5846492231155924,1.0537488536922062,""
>
> The only thing that I could notice is that the first packet that had the
> new SSRC (325951803) has the marker bit on, but I could not find a reason
> for the SSRC change.
>
> Any ideas of what could be causing that?
>
> Thanks.
>
> Regards,
>
> Marcelo H. Terres <mhterres at gmail.com>
> IM: mhterres at jabber.mundoopensource.com.br
> https://www.mundoopensource.com.br
> https://twitter.com/mhterres
> https://linkedin.com/in/marceloterres
>
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