[asterisk-users] new user help required to build voice recorder with asterisk

[Steve Totaro]

Mixmonitor also muxes the two sides of the conversation after hangup.
That is quite a bit of I/O for 60 simultaneous calls lasting an
average of 5-15mins

On Wed, Jan 2, 2013 at 9:59 AM, Steve Totaro
<stotaro at totarotechnologies.com> wrote:
> It depends on what you do with them.
>
> Years ago, 60 calls would start to crap out audio on live calls and I
> learned that the hard way on a production call center.  There was the
> I/O of just SLIN, then converting to MP3, then transferring to a not
> too forgiving SAMBA share.  Scheduling things for a slower times and
> moving the MP3 conversion to the mass storage significantly helped
> while scrambling to find the permanent solution.
>
> People could increase those numbers with RAMDisk and other tricks but
> just moving it off the "Phone System" makes more sense.
>
> Why not engineer something to scale and last without knowing that you
> will have to revisit it and quite possibly at the most inopportune
> time, like when you just spent a good deal of money on an advertising
> spot?
>
> Thanks,
> Steve T
>
> On Wed, Jan 2, 2013 at 7:35 AM, Leandro Dardini <ldardini at gmail.com> wrote:
>> I don't know how many I/O can be achieved on a modern hardware, but I don't
>> think 60 concurrent calls will be a problem. 60 calls are just 4 Mbit/s of
>> data. However can be a good idea to start loading a server and be prepared
>> to share the load on another server.
>>
>> Leandro
>>
>>
>> 2013/1/2 Steve Totaro <stotaro at asteriskhelpdesk.com>
>>>
>>> Top post for the New Year.
>>>
>>> Yes, if you might scale up to 60 or more simultaneous calls,
>>> definitely look at OrecX or RTPTap because you will run into I/O
>>> issues.  Not sure what current hardware can accommodate but it is best
>>> not to find out.
>>>
>>> Considering the very low cost of hardware these days compared with the
>>> cost of possible downtime, poor audio, lost recordings or whatever
>>> else you can assign a monetary value, I always suggest a separate
>>> machine for "Passive" recording when dealing with more than a handful
>>> of simultaneous calls.
>>>
>>> Thanks,
>>> Steve Totaro
>>>
>>> On Wed, Jan 2, 2013 at 6:18 AM, Lenz Emilitri <lenz.loway at gmail.com>
>>> wrote:
>>> > With just one PRI card this should not be an issue, but for larger
>>> > systems
>>> > you may consider using something like Oreka to offload the I/O from the
>>> > Asterisk server....
>>> > l.
>>> >
>>> >
>>> > 2012/12/31 Vinod Nadiadwala <thinwala at gmail.com>
>>> >>
>>> >> Hi,
>>> >>
>>> >> I am new to asterisk, i want to know that is it possible to use
>>> >> asterisk
>>> >> for build voice recording system.
>>> >>
>>> >> Scenario :
>>> >> ISDN PRI line (30 line)
>>> >> I want every incoming & outgoing call has to recorded, but without
>>> >> manual
>>> >> action. system has to auto receive the call.
>>> >>
>>> >> Please suggest, how should i start and with which hardware / cards it
>>> >> is
>>> >> possible.
>>> >>
>>> >>
>>> >>
>>> >>
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>>> >
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>>
>>
>>
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