Wireshark Filter for SIP RTP stream

Posted on 2013-10-15
Medium Priority
Last Modified: 2013-10-19
I have a SIP trace with about 7 active calls. I have identified a problem for one particular call and can see that the RTP streams that are setup for this call are using port 59290 to IP-address1 and 10476 to IP-address2.

I would like to make a display filter for each of these RTP packet streams but this is beyond my capability to figure out do quickly enough (or if it can be done at all).

Any suggestions? Here is the Wireshark display filter page for RTP
Question by:Link
LVL 20

Accepted Solution

José Méndez earned 2000 total points
ID: 39575849
If you decoded the SIP messages and obtained the RTP ports from it then you are performing well on packet capture analysis. Try this filter:

udp.port eq 59290 or udp.port eq 10476

You may want to right click on the UDP packets if they are listed as UDP under the Protocol column, then click Decode As and choose RTP.

Author Closing Comment

ID: 39584634
The filter I was using  "udp.port == 56789 || udp.port 10476" was not showing RTP packets in the version of wireshark I was using (1.8.0). After I upgraded wireshark to the latest version it  did work.

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