[Freeswitch-users] Session recording performance

Stanislav Sinyagin ssinyagin at gmail.com
Thu Sep 21 15:25:38 UTC 2017


but the other box is doing the same TX job, and it's doing fine.
I'm trying different timers now.



On Thu, Sep 21, 2017 at 5:02 PM, Brandon Armstead <brandon at cryy.com> wrote:
> Any leads maybe under ethtool -S [interface] , possible some kind of
> checksum / network "interference" , possibly the tx side is doing more
> work?
>
> https://www.kernel.org/doc/Documentation/networking/checksum-offloads.txt
>
> On Thu, Sep 21, 2017 at 7:49 AM, Stanislav Sinyagin <ssinyagin at gmail.com> wrote:
>> I actually mentioned it in the thread. Yes, after switching the roles
>> of the boxes, the problem switches too. It's only the call origination
>> box that is producing the jitter on outbound RTP. I also verified it
>> with packet capture on both sides. The RTP leaves the box with jitter
>> already.
>>
>> I'm still analyzing it, trying to find the reason for the jitter.
>>
>>
>>
>> On Thu, Sep 21, 2017 at 4:08 PM, Mundkowsky, Robert <rmundkowsky at ets.org> wrote:
>>> Just curious, have you tried switching the boxes and seeing if you get same situation?
>>>
>>> Robert
>>>
>>> -----Original Message-----
>>> From: FreeSWITCH-users [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Stanislav Sinyagin
>>> Sent: Thursday, September 21, 2017 8:31 AM
>>> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>>> Subject: Re: [Freeswitch-users] Session recording performance
>>>
>>> but the interesting thing is, that it's the device that originates the SIP call is producing a significantly higher jitter than the one receiving the call.
>>>
>>> The originating command looks like this here, with a SIP address as destination, and a number in local XML dialplan as transfer
>>> application:
>>> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Ffreeswitch.org%2Fconfluence%2Fdisplay%2FFREESWITCH%2FOriginate%2BExample&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=M5OEPvRrB9JkM5fodeKscJakpsvZn42LhZs2jQle9Ro%3D&reserved=0
>>>
>>>
>>>
>>> On Thu, Sep 21, 2017 at 7:46 AM, Stanislav Sinyagin <ssinyagin at gmail.com> wrote:
>>>> with jitterbuffer, it now works as expected. So, the sending party was
>>>> generating extra jitter.
>>>>
>>>> I am playing the same audio file in both directions, and then compare
>>>> the recorded audio with the original by Sevana AQuA software. This
>>>> allows me to detect packet loss in a heterogeneous environment where
>>>> the voice goes through RTP proxies and TDM.
>>>>
>>>>
>>>>
>>>>
>>>> On Thu, Sep 21, 2017 at 3:43 AM, jungle Boogie <jungleboogie0 at gmail.com> wrote:
>>>>> What occurs if you send identical audio for the same duration? IOW,
>>>>> play the sound file for each call.
>>>>>
>>>>>
>>>>> _____________________________________________________________________
>>>>> ____ Professional FreeSWITCH Consulting Services:
>>>>> consulting at freeswitch.org
>>>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.f
>>>>> reeswitchsolutions.com&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846
>>>>> ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%
>>>>> 7C636415940392006303&sdata=nGh9In%2FvTyg37f7nJph6TXJFaz2nMMjZ0NXzIZr3
>>>>> hWg%3D&reserved=0
>>>>>
>>>>> Official FreeSWITCH Sites
>>>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.f
>>>>> reeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba
>>>>> 852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C6364159
>>>>> 40392006303&sdata=wFbEKkGrG49JjArYiD7D1mo6icJFqaxinnS3%2F5xq6hs%3D&re
>>>>> served=0
>>>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fconfl
>>>>> uence.freeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba
>>>>> 37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C
>>>>> 636415940392006303&sdata=ehMZuD9vMm325yuExibRBY6G9ysSDmvqoBQaXcHXFww%
>>>>> 3D&reserved=0
>>>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.c
>>>>> luecon.com&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852
>>>>> 608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C6364159403
>>>>> 92006303&sdata=J2p7ztQidG%2FLf4c6prqao3hhOnrmHHl2pxlwod3LNKM%3D&reser
>>>>> ved=0
>>>>>
>>>>> FreeSWITCH-users mailing list
>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists
>>>>> .freeswitch.org%2Fmailman%2Flistinfo%2Ffreeswitch-users&data=02%7C01%
>>>>> 7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b7
>>>>> 60b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=kpqcuibvT
>>>>> vN3zMcS54w5CemHeLiKgj0OrMMTq1xiMUo%3D&reserved=0
>>>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-us
>>>>> ers
>>>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.f
>>>>> reeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba
>>>>> 852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C6364159
>>>>> 40392006303&sdata=wFbEKkGrG49JjArYiD7D1mo6icJFqaxinnS3%2F5xq6hs%3D&re
>>>>> served=0
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.freeswitchsolutions.com&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=nGh9In%2FvTyg37f7nJph6TXJFaz2nMMjZ0NXzIZr3hWg%3D&reserved=0
>>>
>>> Official FreeSWITCH Sites
>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.freeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=wFbEKkGrG49JjArYiD7D1mo6icJFqaxinnS3%2F5xq6hs%3D&reserved=0
>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fconfluence.freeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=ehMZuD9vMm325yuExibRBY6G9ysSDmvqoBQaXcHXFww%3D&reserved=0
>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.cluecon.com&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=J2p7ztQidG%2FLf4c6prqao3hhOnrmHHl2pxlwod3LNKM%3D&reserved=0
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.freeswitch.org%2Fmailman%2Flistinfo%2Ffreeswitch-users&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=kpqcuibvTvN3zMcS54w5CemHeLiKgj0OrMMTq1xiMUo%3D&reserved=0
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.freeswitch.org&data=02%7C01%7Crmundkowsky%40ets.org%7Ca687846ba37f40ba852608d500ed0775%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%7C0%7C636415940392006303&sdata=wFbEKkGrG49JjArYiD7D1mo6icJFqaxinnS3%2F5xq6hs%3D&reserved=0
>>>
>>> ________________________________
>>>
>>> This e-mail and any files transmitted with it may contain privileged or confidential information. It is solely for use by the individual for whom it is intended, even if addressed incorrectly. If you received this e-mail in error, please notify the sender; do not disclose, copy, distribute, or take any action in reliance on the contents of this information; and delete it from your system. Any other use of this e-mail is prohibited.
>>>
>>>
>>> Thank you for your compliance.
>>>
>>> ________________________________
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://confluence.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> http://www.freeswitch.org
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>
>
>
> --
> Sincerely,
> Brandon Armstead
> CTO / CRYY.com
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org



More information about the FreeSWITCH-users mailing list