[asterisk-users] Voice broken during calls (again...)

Jeff LaCoursiere jeff at stratustalk.com
Tue Jun 23 08:15:16 CDT 2020

Hi Luca,

On 6/23/20 8:02 AM, Luca Bertoncello wrote:
> I have problem calling someone outside my networks and I have problem 
> if the peers are in different networks...

I may have missed this originally - are you saying you have trouble when 
internal phones call each other, if they are on different VLAN's?  
That's a pretty big deal.

I didn't see my post with the graphs of inter-packet latency make it to 
the list (moderator?), I think the images were too large.  Recall that 
clearly showed half of the packets coming inbound from DT were 
*missing*, which confirms your audio experience.  I don't think that 
fact has been addressed properly - it is the only smoking gun you have 
so far.  If that is also happening inter-VLAN, something is seriously 
wrong on the Pi.

If you can reproduce this can you send me a few more packet traces, from 
each of the VLAN interfaces involved?

Always looking for real-world data to improve our tools :)



	*Jeff LaCoursiere*

Phone: 	*+1 703.496.4990 x108*
Mobile: 	*+1 815.546.6599*
Email: 	*jeff at stratustalk.com* <mailto:jeff at stratustalk.com>
Website: 	*https://www.stratustalk.com*
Address: 	*One Freedom Square
13th Floor
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