[SR-Users] Best practice to figure out one way rtp delay

[David Villasmil]

Have you already taken a look at traces?
Have you checked FS's MOS score, jitter, etc?

Regards,

David Villasmil
email: david.villasmil.work at gmail.com
phone: +34669448337


On Thu, Feb 6, 2020 at 6:43 AM Karsten Horsmann <khorsmann at gmail.com> wrote:

>  Hi yuriy,
>
> Of course per default Kamailio don't handle rtp. I forgot that I use
> rtpengine on the "sbc" with Kamailio.
>
> And as you all know, if it's sounds bad, then we sip guys get the
> tickets...
>
> So that's an question for your experience in this area.
>
> Cheers
> Karsten
>
> Yuriy Gorlichenko <ovoshlook at gmail.com> schrieb am Do., 6. Feb. 2020,
> 10:27:
>
>> Kamailio does not handle RTP.
>>
>> But you can use heplify ( or homer)
>> That will alliw you to collect rtcp in your infrastructure and map it
>> with the SIP calls you have.
>>
>> On Thu, 6 Feb 2020, 09:23 Karsten Horsmann, <khorsmann at gmail.com> wrote:
>>
>>> Hi List,
>>>
>>> I have a new setup with two Kamailios installations. One serves
>>> siptrunks from the internet and one is for internal routing.
>>>
>>> So far so good. At the end I have an 3rd party b2bua that receives and
>>> sends calls via the both Kamailios.
>>>
>>> For testing purposes I setup an freeswitch with beep and then echo
>>> application to the caller.
>>>
>>> My call flow are like this
>>>
>>> Call 1 to kam1 sbc then internal kam2 and b2bua.
>>> B2bua make then new call no 2 vice versa to PSTN freeswitch with echo.
>>> After this b2bua bridges the calls together.
>>>
>>> This generates for the caller an beep and echo.
>>>
>>> The interesting thing is now, that Call 1 gets an hearable delay of 1
>>> second.
>>>
>>> But only in the rtp steam from me to the caller.
>>>
>>> The second calls seems equal of timing.
>>>
>>> Since is a really new complete setup of hardware and stuff, the question
>>> of its working before is answered with an no.
>>>
>>>
>>> Now my question to you guys.
>>>
>>> How can I get an measurable method to finding the delaying parts (could
>>> be network, servers, applications etc).
>>>
>>> Only capturing on one place don't did the trick for me.
>>>
>>> Thanks for your hints
>>>
>>> Cheers
>>> Karsten
>>> _______________________________________________
>>> Kamailio (SER) - Users Mailing List
>>> sr-users at lists.kamailio.org
>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
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