[Freeswitch-users] Audio delays and jitter

Thu Oct 1 07:51:54 MSD 2015

Ok sounds good, I'll contribute my findings, I have a wiki login I believe.

On Wed, Sep 30, 2015 at 11:50 PM Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> The community maintains a wiki page but I am not sure how up to date it is.
> https://freeswitch.org/confluence/display/FREESWITCH/CentOS+6
>
>
> On Wed, Sep 30, 2015 at 10:46 PM, Danny Gershman <danny.gershman at gmail.com
> > wrote:
>
>> Thanks I'll give it a whirl and try to compile.
>>
>> On Wed, Sep 30, 2015 at 11:44 PM Anthony Minessale <
>> anthony.minessale at gmail.com> wrote:
>>
>>> We have community CentOS packages but they are missing most of the
>>> multimedia functionality.  If you just need opus its probably ok.
>>> And 1.6.3 will bring another round of media changes so you might want to
>>> try master or nightly packages to prepare for it.
>>>
>>>
>>> On Wed, Sep 30, 2015 at 10:40 PM, Danny Gershman <
>>> danny.gershman at gmail.com> wrote:
>>>
>>>> Ok I have no problem upgrading to 1.6.2, assuming that this would
>>>> provide some kind of resolution to the issue with OPUS.  My question is if
>>>> there has been any success with running it on Centos 6.4?
>>>>
>>>> On Wed, Sep 30, 2015 at 11:38 PM Anthony Minessale <
>>>> anthony.minessale at gmail.com> wrote:
>>>>
>>>>> No new improvements are planned for 1.4.
>>>>> Media is undergoing heavy refactoring in 1.6 and its not backportable.
>>>>>
>>>>> On Wed, Sep 30, 2015 at 10:31 PM, Brian West <brian at freeswitch.org>
>>>>> wrote:
>>>>>
>>>>>> You must like pain!  Why don't you try Debian 8?
>>>>>>
>>>>>>
>>>>>> On Wednesday, September 30, 2015, Danny Gershman <
>>>>>> danny.gershman at gmail.com> wrote:
>>>>>>
>>>>>>> Will 1.6.2 run on CentOS 6.4?  Is there a migration guide?
>>>>>>>
>>>>>>> On Wed, Sep 30, 2015 at 6:47 PM Brian West <brian at freeswitch.org>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Danny,
>>>>>>>>
>>>>>>>> We've resolved many issues since 1.4.19, have you considered trying
>>>>>>>> 1.6.2?  Its got some more improvements in this area.
>>>>>>>>
>>>>>>>> On Wed, Sep 30, 2015 at 4:54 PM, Danny Gershman <
>>>>>>>> danny.gershman at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Currently tested with 1.4.19
>>>>>>>>>
>>>>>>>>> On Wed, Sep 30, 2015 at 5:23 PM Brian West <brian at freeswitch.org>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Which revision of FreeSWITCH have you tested with?
>>>>>>>>>>
>>>>>>>>>> On Wed, Sep 30, 2015 at 4:15 PM, Danny Gershman <
>>>>>>>>>> danny.gershman at gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> We are using the OPUS codec with Chrome and WebRTC to make SIP
>>>>>>>>>>> calls into FS conferences.  We have packet captures at the edge of network
>>>>>>>>>>> that sound clear, but when they get to FreeSWITCH they sound distorted via
>>>>>>>>>>> delays and clipping.
>>>>>>>>>>>
>>>>>>>>>>> I've tried several combinations of jitterbuffer settings,
>>>>>>>>>>> disabled/enabling RTP timers, conference.  I have a mechanism I use in
>>>>>>>>>>> which I replay the RTP packets using SIPP and try them out.  Is there a way
>>>>>>>>>>> to dynamically adjust the jitterbuffer so that the right size is being
>>>>>>>>>>> used?  Right now I have it set at 180:540:540.  Maybe there is some other
>>>>>>>>>>> setting I could try that would help?
>>>>>>>>>>>
>>>>>>>>>>> Perhaps there's a way to force OPUS to use less bandwidth at the
>>>>>>>>>>> expense of quality?
>>>>>>>>>>>
>>>>>>>>>>> I'm willing to share the PCAPs some examples.
>>>>>>>>>>>
>>>>>>>>>>> Thanks in advance.
>>>>>>>>>>>
>>>>>>>>>>> --Danny Gershman
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>>> 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
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>>
>>>>>>>>>> *Brian West*
>>>>>>>>>> brian at freeswitch.org
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> *Twitter: @FreeSWITCH , @briankwest*
>>>>>>>>>> http://www.freeswitchbook.com
>>>>>>>>>> http://www.freeswitchcookbook.com
>>>>>>>>>>
>>>>>>>>>> Got Bugs? Report them here <https://freeswitch.org/jira>! |
>>>>>>>>>> Reddit: /r/freeswitch <https://www.reddit.com/r/freeswitch>
>>>>>>>>>>
>>>>>>>>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>>>>>>>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>>>>>>>>
>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>> 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
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>>
>>>>>>>> *Brian West*
>>>>>>>> brian at freeswitch.org
>>>>>>>>
>>>>>>>>
>>>>>>>> *Twitter: @FreeSWITCH , @briankwest*
>>>>>>>> http://www.freeswitchbook.com
>>>>>>>> http://www.freeswitchcookbook.com
>>>>>>>>
>>>>>>>> Got Bugs? Report them here <https://freeswitch.org/jira>! |
>>>>>>>> Reddit: /r/freeswitch <https://www.reddit.com/r/freeswitch>
>>>>>>>>
>>>>>>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>>>>>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>>>>>>
>>>>>>>> _________________________________________________________________________
>>>>>>>> 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
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>> *Brian West*
>>>>>> brian at freeswitch.org
>>>>>>
>>>>>>
>>>>>> *Twitter: @FreeSWITCH , @briankwest*
>>>>>> http://www.freeswitchbook.com
>>>>>> http://www.freeswitchcookbook.com
>>>>>>
>>>>>> Got Bugs? Report them here <https://freeswitch.org/jira>! | Reddit:
>>>>>> /r/freeswitch <https://www.reddit.com/r/freeswitch>
>>>>>>
>>>>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>>>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>>>>
>>>>>>
>>>>>>
>>>>>> _________________________________________________________________________
>>>>>> 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
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>>>>>
>>>>> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
>>>>> http://twitter.com/FreeSWITCH
>>>>> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
>>>>> <http://freeswitch.org/g+>*
>>>>>
>>>>> ClueCon Weekly Development Call
>>>>> ☎ sip:888 at conference.freeswitch.org  ☎ +19193869900
>>>>>
>>>>> https://www.youtube.com/watch?v=9XXgW34t40s
>>>>> https://www.youtube.com/watch?v=NLaDpGQuZDA
>>>>>
>>>>> _________________________________________________________________________
>>>>> 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
>>>>
>>>
>>>
>>>
>>> --
>>> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>>>
>>> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
>>> http://twitter.com/FreeSWITCH
>>> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
>>> <http://freeswitch.org/g+>*
>>>
>>> ClueCon Weekly Development Call
>>> ☎ sip:888 at conference.freeswitch.org  ☎ +19193869900
>>>
>>> https://www.youtube.com/watch?v=9XXgW34t40s
>>> https://www.youtube.com/watch?v=NLaDpGQuZDA
>>> _________________________________________________________________________
>>> 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
>>
>
>
>
> --
> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>
> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
> http://twitter.com/FreeSWITCH
> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
> <http://freeswitch.org/g+>*
>
> ClueCon Weekly Development Call
> ☎ sip:888 at conference.freeswitch.org  ☎ +19193869900
>
> https://www.youtube.com/watch?v=9XXgW34t40s
> https://www.youtube.com/watch?v=NLaDpGQuZDA
> _________________________________________________________________________
> 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
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