[Freeswitch-users] jitter buffer during bridge call

Thu Feb 23 00:36:11 MSK 2017

But do you have any idea what can breaks the timestamps ? Because this
takes place with both ISAC and ILBC
Any idea in what direction I can debug ?

Silviu

On Wed, Feb 22, 2017 at 11:22 PM, Michael Jerris <mike at jerris.com> wrote:

> based on the numbers you are seeing, it does not sound like jitter is
> actually your issue.  I’d look closer at the numbers, my guess is you see
> one weird timestamp in there and it has the jitter calculation messed up.
>
> On Feb 22, 2017, at 3:20 PM, Caragea Silviu <silviu.cpp at gmail.com> wrote:
>
> No, I think they have something proprietary. But anyway this problem can
> be with any solution that's not able to handle jitter properly.
> And what's killing me is why in FS I have this behaviour.. I mean after
> transcoding the stream has jitter... I mean I send a stream with almost no
> jitter and after transcoding results a stream with jitter...
>
> Silviu
>
>
> On Wed, Feb 22, 2017 at 10:12 PM, Michael Jerris <mike at jerris.com> wrote:
>
>> any info in their sdp or sip packets to say what kind of equipment they
>> are using?
>>
>> On Feb 22, 2017, at 3:00 PM, Caragea Silviu <silviu.cpp at gmail.com> wrote:
>>
>> Hello michael,
>>
>> http://www.digitalk.com/ is the one generating problems where I can
>> replicate problem all the time.
>>
>> Silviu
>>
>> On Wed, Feb 22, 2017 at 9:34 PM, Michael Jerris <mike at jerris.com> wrote:
>>
>>> what type of switch are you talking to when you have problems?
>>>
>>> On Feb 22, 2017, at 2:16 PM, Caragea Silviu <silviu.cpp at gmail.com>
>>> wrote:
>>>
>>> Hello Russel,
>>>
>>> Not all, depends on what technologies they have behind. For example I
>>> have some calls sent via two different gateways with almost same jitter and
>>> using route A I have breaks in voice using the second one it's fine. If I
>>> send via route A without jitter quality is clear. Once you put some jitter
>>> sucks. We started to have this problem once we upgraded from FS 1.2 to 1.6
>>> and only noticed difference is this jitter.
>>>
>>> Silviu
>>>
>>> On Wed, Feb 22, 2017 at 8:48 PM, Russell Treleaven <
>>> rtreleaven at bunnykick.ca> wrote:
>>>
>>>>
>>>>
>>>> I want a jitterbuffer in the bridge because some PSTN gateways sucks in
>>>>> case they receive the calls with jitter.
>>>>>
>>>>
>>>> How and why do they suck when they receive calls with jitter?
>>>> Are we talking about all PSTN gateways or just some of them?
>>>>
>>>>
>>>>
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>>
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>
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