[asterisk-users] Call recording format

[Joel Maslak]

What format are the actual calls in?  Are they in G.711u/a format or
are they in something else (perhaps gsm?) format?  I'm asking to find
out if Asterisk would need to transcode them.

On Mon, Nov 22, 2010 at 6:47 AM, Vilius Adamkavicius
<vilius.adamkavicius at invade.net> wrote:
> Hi All,
> We have a requirement to record over 60 simultaneous calls. Our recording
> facilities are implemented using Monitor() over AMI. The thing we have
> noticed that making 60 simultaneous call recordings using wav CPU load is
> significantly higher (around 2 times more) than using gsm. Even writing call
> recordings to /dev/null makes a big difference in CPU load.
> What could be the reason for this? Is Asterisk updating wav headers every
> time it writes?
> What would be recommended hardware setup for over 60 simultaneous call
> records?
> Regards,
> Vilius.
>
>
>
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