[asterisk-users] Running on virtual machine and audio not intelligable

[Khalil Khamlichi]

why load or even install dahdi if no cards are used?

On Jan 24, 2018 10:30 PM, "Jerry Geis" <jerry.geis at gmail.com> wrote:

> Hi All,
> Running asterisk 11.25.3, the /proc/cpuinfo says
> Intel(R) Xeon(R) CPU           X5675  @ 3.07GHz
>
> lsmod | grep dahdi gives
> dahdi_transcode        16384  1 wctc4xxp
> dahdi_voicebus         61440  2 wctdm24xxp,wcte12xp
> dahdi                 225280  11 wctdm24xxp,wcfxo,wctdm,dahdi_transcode,oct612x
> dahdi_voicebus,wcb4xxp,wct1xxp,wct4xxp,wcte11xp,wcte12xp
> crc_ccitt              16384  2 wctdm24xxp,dahdi
>
> There are no cards in the VM - just the CentOS 7.4 operating system. I'm
> actually running 4.4.92 from elrepo as the kernel.
>
> I am using the confbridge with about 100 devices in the "one way"
> conference and the audio is not intelligible. Sending audio to a single
> endpoint is fine.
>
> dahdi_test running when nothing is happening is 99.8 running with the ALL
> 100 units in conf is about 99.6.
>
> What can I do do get audio where it needs to be ?  I believe the
> environment is VMware.
>
> Thanks,
>
> Jerry
>
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