[asterisk-dev] ChanSpy / ConfBridge limitation

Mark Murawski markm-lists at intellasoft.net
Sun Jan 28 11:13:20 CST 2024



On 1/15/24 04:42, Joshua C. Colp wrote:
> On Sun, Jan 14, 2024 at 9:10 PM Mark Murawski 
> <markm-lists at intellasoft.net> wrote:
>
>     ... snip...
>
>     Goal:
>        Extract out an individual speaker's audio that's going into a ConfBridge
>        (Cannot join the bridge as a member, because then you're getting all participants audio)
>
>
>     Summary:
>        1) You can whisper to a channel that joined a ConfBridge
>        2) You cannot listen to the audio from a channel that joined a ConfBridge
>
>
>     Also:
>        I tried ChanSpy()'ing into both CBAnn/...;1  and CBAnn/...;2 and I could not get audio from here either
>
>
>     Is this a bug or a limitation/missing-feature?
>
>
>     What would be a good place to look into for resolving #2 ?
>
>
> So what is the actual state of the channel and ConfBridge at that 
> point in time? You haven't really clarified that in this email at all. 
> Is it listening to music on hold? Is there no other channel present? 
> Have you looked at the core debug to see what the audiohooks API is 
> saying? Ultimately that's what is capturing the audio and making it 
> available for ChanSpy and it has no idea of ConfBridge or Dial or etc, 
> so narrow down the issue to either the ChanSpy module itself or 
> audiohooks, and then go from there. In a general sense from the 
> available information I would say it is a bug, though I am aware that 
> this has worked for other people without problem.
>
> -- 
> Joshua C. Colp
> Director of Engineering | Asterisk Project Lead
> Sangoma Technologies
> Check us out at www.sangoma.com <http://www.sangoma.com> and 
> www.asterisk.org <http://www.asterisk.org>
>


Hi Joshua,

The current state of ConfBridge is that it there is one caller, and I'm 
ChanSpying to that caller's channel, wishing to grab the audio coming in 
from the endpoint that's sending audio to at this point, an empty 
ConfBridge.
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