[Freeswitch-users] jitter buffer during bridge call

Tue Feb 21 18:47:27 MSK 2017

Also you probably don't need all those RTP bug behaviors, that combo is for
a severe Sonus infection.

On Tue, Feb 21, 2017 at 9:31 AM, Caragea Silviu <silviu.cpp at gmail.com>
wrote:

> Hello,
>
> Thanks for feedback, I removed all of them and seems the same. So might be
> related to the way I set the jitter buffer..
>
> Hope Brian can clarify if I understood correctly that I should  do:
>
> 1. <action application="set" data="rtp_jitter_buffer_during_bridge=true"/>
> 2. And in bridge string add : {jitterbuffer_msec=1p}
>
> Silviu
>
> On Tue, Feb 21, 2017 at 5:18 PM, Michael Jerris <mike at jerris.com> wrote:
>
>> every one of those set lines resets that variable so only the last one is
>> doing anything.  you can set those with | seperator
>>
>> On Tue, Feb 21, 2017 at 10:09 AM Caragea Silviu <silviu.cpp at gmail.com>
>> wrote:
>>
>>> Hello Brian,
>>>
>>> Thanks for your feedback. I don't think I have something to rewrite
>>> timestamps. I also use the following (hope none of is rewriting
>>> timestamps):
>>>
>>> <action application="set" data="rtp_manual_rtp_bugs=sonu
>>> s_send_invalid_timestamp_2833"/>
>>> <action application="set" data="rtp_manual_rtp_bugs=send
>>> _linear_timestamps"/>
>>> <action application="set" data="rtp_manual_rtp_bugs=start_seq_at_zero"/>
>>> <action application="set" data="rtp_manual_rtp_bugs=never_send_marker"/>
>>> <action application="set" data="rtp_manual_rtp_bugs=igno
>>> re_dtmf_duration"/>
>>> <action application="set" data="rtp_manual_rtp_bugs=acce
>>> pt_any_packets"/>
>>>
>>> Regarding your advices:
>>>
>>>
>>> 1. Don't use the nolocal export method, set those variables in side the
>>> {} on the bridge line.
>>> 2. set jitterbuffer_msec=1p
>>>
>>> I'm not sure is clear enough for me. Can you please past here how looks
>>> this settings in the bridge line ? or where I can find an example in
>>> documentation ?
>>>
>>> What I understand now is that I need to :
>>>
>>> 1. <action application="set" data="rtp_jitter_buffer_during
>>> _bridge=true"/>
>>> 2. And in bridge string add : {jitterbuffer_msec=1p}
>>>
>>> Btw what means 1p ?
>>>
>>> Silviu
>>>
>>>
>>> On Tue, Feb 21, 2017 at 4:43 PM, Brian West <brian at freeswitch.org>
>>> wrote:
>>>
>>> 1. Don't use the nolocal export method, set those variables in side the
>>> {} on the bridge line.
>>> 2. set jitterbuffer_msec=1p
>>> 3. The jitter buffer was ripped and rebuilt so some of the documentation
>>> hasn't been updated.
>>>
>>> Are you rewriting timestamps or something too?
>>>
>>> On Tue, Feb 21, 2017 at 8:26 AM, Caragea Silviu <silviu.cpp at gmail.com>
>>> wrote:
>>>
>>> Hello,
>>>
>>> I'm using last FS 1.6.15 to bridge a call and to transcode it as well
>>> from ILBC/ISAC to PCMU. To enable jitter buffer during bridge I'm using:
>>>
>>> <action application="set" data="rtp_jitter_buffer_during_bridge=true"/>
>>> <action application="export" data="nolocal:jitterbuffer_mse
>>> c=60:200:20"/>
>>>
>>> What I observed is that looking with wireshark still shows jitter on leg
>>> B which is sent to PSTN even if there is no jitter on leg A, or shows worst
>>> jitter on leg B in case I have jitter on call A.
>>>
>>> I was expected that the jitter buffer will fix this and even if I have a
>>> slightly low jitter on leg A will not be propagated on le B as well.
>>>
>>> I'm missing something ?
>>>
>>> Silviu
>>>
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>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
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>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
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>> http://www.freeswitch.org
>>
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
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> http://confluence.freeswitch.org
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>
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> http://www.freeswitch.org
>

-- 

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