[Freeswitch-users] no RTP send during Voice Mail recording

Anthony Minessale anthony.minessale at gmail.com
Mon Apr 20 09:24:59 PDT 2009

it's nothing to do with vad, it's simply how FS works.

It's a waste to encode and send zeros into the channel while it's recording.
Also, It's unreasonable to have such a short timeout.

I understand it's not your fault, I am just letting you know.

It would be possible to add a patch to create a channel variable like
NDLB_waste_bandwidth_while_recording or something but it does not exist

On Mon, Apr 20, 2009 at 11:03 AM, kokoska rokoska
<kokoska.rokoska at post.cz>wrote:

> kokoska.rokoska napsal(a):
> > Hi all,
> >
> > I fall into trouble with voice mail. It looks like FreeSWITCH sends no
> > RTP during Voice Mail recording and thus the calls from my TSPs are cut
> > off in the middle of the recording due to lack of RTP activity (based on
> > providers "tolerancy" it happens in 5 to 20 seconds).
> >
> > I tried to set VAD to "none" in all sofia profiles but it doesn't help.
> > Are there any other settings I have to use to force FreeSWITCH to send
> > RTP back (silence, CNG or what ever :-) during VM recording?
> >
> > BTW: I'm on current trunk.
> >
> Hi all,
> until previous message I have tried all combinations of VAD settings and
>  VM recording format and still no luck:
> using ngrep I can't see any RTP packetes going from FreeSWITCH during VM
> recording => calls are dropped by my TSPs after few seconds.
> Could you, please, point me to some other direction where should I
> experient? Or is it desired behaviour of FreeSWITCH?
> Best regards,
> kokoska.rokoska
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Anthony Minessale II

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