[OpenSIPS-Users] Mediaproxy RTP not capture-able?

[Wasin Thiengkunagrit]

Hi Jeff,

I thought that it seems to be possible that MediaProxy send the packet
to another interface card.
Can you try this command to capture the packets ?
 "tcpdump -w mydump.cap -i any udp"

Cheers,
Killy


2008/12/16 Jeff Pyle <jpyle at fidelityvoice.com>:
> Hello,
>
> I have a working OpenSIPS 1.4 + Mediaproxy 2.1 configuration.  At the
> moment, no NAT is involved, and opensips.cfg is set to engage_media_proxy()
> on all initial invites.  It works just fine.
>
> I created a pcap file with the command "tshark –w mp.pcap –i eth1 udp",
> causing all the udp on interface eth1 (where OpenSIPS and Mediaproxy
> function) to dump to mp.pcap.  During the 183 Session Progress and after the
> call was established with 200 OK, I see the RTP packets arriving into
> Mediaproxy.  But I do not see them leaving the box destined for the other
> side.  Yet I seem to have perfect two-way audio on the call.
>
> Is Mediaproxy sending the packets at such a level where Wireshark/tshark
> misses them?
>
>
> Thanks,
> Jeff
>
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