[SR-Users] rtpproxy not forwarding rtp packets.

[Bilal Abbasi]

Corrigendum:
We are getting packets from CALLER*

Regards
Abbasi

On Fri, 18 May 2018 at 12:46 PM, Bilal Abbasi <bilaln018 at gmail.com> wrote:

> Actually they dont even get out of rtpproxy, we cant see that in the in
> sngrep/tcpdump.
> We are getting packets from callee but nothing going out of
> rtpproxy(talking about local dump)
>
> Regards
> Abbasi
>
> On Fri, May 18, 2018, 12:13 Giovanni Tommasini - evosip
> <giovanni.tommasini at evosip.cloud> wrote:
>
>> Hi Younas,
>>
>> when you have a call if you make a trace in your sip server with sngrep
>> or tshark can you see the RTP packet ?
>> you says "I have kamailio server behind nat with rptproxy.", so is it
>> possible that the router in front your SIP server blocks the traffic? could
>> you have a trace there?
>> I mean the packets exit the rtpproxy but don't arrive to callee or just
>> don't come out of the rtpproxy?
>>
>> Giovanni Tommasini |
>> *​​evosip* <http://evosip.cloud>
>>
>>
>> 2018-05-18 1:36 GMT+02:00 Aqs Younas <aqsyounas at gmail.com>:
>>
>>> Thanks for replying. Callee is actually a sip provider. I see no
>>> firewall or iptables rules on server to prevent rtp following towards
>>> callee.
>>>
>>> Is there anything i can do to see which thing is blocking rtps.
>>>
>>> Best
>>>
>>> On Fri, 18 May 2018 at 3:59 AM, Mack Hendricks <ap at goflyball.com> wrote:
>>>
>>>> Is there something blocking RTP traffic from reaching the callee?  Is
>>>> the callee a carrier or the actually endpoint endpoint (aka SIP Phone)?
>>>>
>>>> *Mack Hendricks / Head of Support / dOpenSource*
>>>> web: http://dopensource.com
>>>> support: +888-907-2085
>>>> dSIPRouter <http://dsiprouter.org> - GUI focused on implementing
>>>> Kamailio to provide SIP Trunking and PBX Hosting Services
>>>>
>>>> On May 18, 2018, at 12:50 AM, Aqs Younas <aqsyounas at gmail.com> wrote:
>>>>
>>>> Greetings list,
>>>>
>>>>
>>>> I have kamailio server behind nat with rptproxy. But i am getting no
>>>> voice on the call. After taking trace i could see that rtpproxy was getting
>>>> rtp packets but not packets was being forwarded towards callee side.
>>>>
>>>> Though i see in rtpproxy logs, packets being relayed from caller side.
>>>>
>>>> Does rtpproxy wait to receive a single rtp frame from callee before
>>>> fowarding that to callee?
>>>>
>>>> Since, i am getting no rtp from callee. So, might be rptrpoxy is
>>>> waiting to learn source address of callee side rtp, that is why it is not
>>>> forwarding rtp packets from caller towards callee.
>>>>
>>>>
>>>> Any pointer/suggestion is much appreciated.
>>>>
>>>> Best Regards,
>>>>
>>>> Aqs Younas
>>>>
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>>>
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