[Freeswitch-users] Deliberately adding delay to all calls

[Alexey Sibyakin]

JB should be fine. Any details of unsuccess?
https://freeswitch.org/confluence/display/FREESWITCH/JitterBuffer

On Thu, Jan 25, 2018 at 2:45 PM, Erik M. Devane - Comms Guy <
emdevane at gmail.com> wrote:

> I've been working on using FreeSWITCH as a bridge between different
> devices, and I need to delay all calls by 2-3 seconds in order for the
> external systems to keep up.
>
> This delay should happen at the start of a call, and all subsequent audio
> should sound fine, just late.
> I know that doing this sounds silly - I'm sorry about that.
>
> Here are my approaches:
>
> 1) Eavesdrop on a call send through delay_echo - this works for SIP
> clients but I have to do an absolute_codec_string as it seems that CODEC
> support is limited, and I'm often getting no delay at all with my PortAudio
> clients.
>
> 2) Use lua to do a session freeswitch.msleep on answer - exactly what
> Confluence tells me to avoid - if I sleep but don't consume audio, I think
> I can get the desired result.
>
> 3) Mess with the jitterbuffer - I haven't had any success with this yet.
>
> 4) Increase the buffer in mod_PortAudio.
>
> Writing this out makes me sure that I'm missing something - a way of
> getting delay_echo to work for all calls, or a way to pause session media
> to get the desired effect.
>
> Can you please help?
>
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Alex Sibyakin | Support Engineer
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