[asterisk-users] PBX, IVR and Conferencing Platforms From the Same Installation of Asterisk

[Kannan]

Hi Stelios,

Thanks for the response.

I take the following excerpt from your response. --- "You can, but usually
for virtual/hosted pbx's you need an additional
layer of management software or a lot of copy paste"

Could you please elaborate on that? Do need to modify Asterisk or there
exists some software that does the job?

Regards.





On Mon, Jul 23, 2012 at 6:07 PM, Stelios Koroneos <
skoroneos at digital-opsis.com> wrote:

> On Mon, 2012-07-23 at 12:27 +0530, Kannan wrote:
> > Thanks SamyGo and Mitul for your prompt responses.
> >
> >
> > I have been vested with the responsibility to evaluate Asterisk for a
> > VOIP solution. I was just going through couple of documents and got
> > impressed by the features it has to offer. Our user base is around
> > 15000 and the system should support 1000 concurrent calls, with BHCA
> > projected at 16000.
> >
>
> The number of registered users is not that big, the 1000 concurrent
> calls means multiple asterisk boxes load balanced and that can be tricky
> at times.
> If you use transcoding at the asterisk side then 200-300 concurrent
> calls is what to expect per box (depending on codec used)
>
>
> >
> > I plan to use OpenSER for SIP registrations and Asterisk for media
> > processing. RTP Proxy will be used for handling NAT traversal. DNS
> > based load balancing/fail over is preferred over Ultramonkey based
> > one.
> >
> >
> > I have quite a few more questions on Asterisk.
> > 1. Can we setup virtual private PBX inside Asterisk. I.e. One
> > installation of Asterisk will handle many configured hosted PBXs. Each
> > virtual private PBX should be able to be configured and managed
> > separately.
>
> You can, but usually for virtual/hosted pbx's you need an additional
> layer of management software or a lot of copy paste ;)
> Another thing i have seen with hosted/virtual pbx's especially if you
> use real-time to configure them is that the resources required on the
> box are substantial and thus you get less virtual pbx's per box than if
> you used the classical flat-file configs.
> Its a trade-off between easy of usage and resources required but if you
> have lots of virtual pbx's running on premises it adds up quickly.
>
>
> > 2. Do we have to buy Fax licence, if Asterisk is to support end-to-end
> > Fax. I.e. Asterisk will not be used in Fax media procession, but only
> > the SIP signals will be handled by Asterisk.
> >
>
> If it's T38 pass-through you don't need a license.
> Have a look here
> http://www.voip-info.org/wiki/view/Asterisk+T.38
>
> If asterisk does any processing then Digium offers licenses.
>
> Stelios
>
>
>
>
>
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