[Asterisk-Users] SER Interaction: Agents and Extensions

[Matthew Boehm]

Why not let asterisk be your PSTN GW? It is in our case, just throwing out
my $0.02.

Most of the cases I can think of I can get around. The one I can't seem to
figure out is 'Agents'.

Agents will need to login/logout using 1 number. I can forward that number
from SER to asterisk by looking for it, no biggie there. The problem lies in
having 1 SER box and many * boxes. If Agent 1 logs in at Asterisk-1, and
agent 2 logs in at Asterisk-4, and a call comes into the queue at
Asterisk-3, what then? Can Asterisk-3 see that the 2 agents are loggedin?

Asterisk boxes need to share states and that seems difficult to accomplish.

-Matthew

----- Original Message ----- 
From: <brett-asterisk at worldcall.net>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Sent: Tuesday, February 08, 2005 4:33 PM
Subject: Re: [Asterisk-Users] SER Interaction: Agents and Extensions


> Matthew Boehm wrote:
>
> > With all of these caveats, it seems to me that a SER->Asterisk solution
> >isn't that great. If anyone else out there can show me otherwise...
> >
> >Thanks,
> >Matthew
> >
> >
>
> I think you might be missing the point here. SER is a raw SIP processor.
> So for a second throw everything you know about Asterisk + SIP out the
> window and go back to vanilla SIP. Getting used to a B2BUA in the call
> path kinda beats some of the raw power of SIP up. Think of how a SIP URI
> is formed. That domain portion is kinda like a context, right?
> furthermore, SER can "do stuff" with that.
>
> I'm doing my own eval with SER for a very large deployment. But I'm just
> getting started. I had SER running about a year ago, but it's been about
> that long since I really toyed with it.
>
> One of the call flows I'm about to try is:
> PSTN GW -> SER -> Asterisk "Transfer"/re-invite -> SER -> Phone
>
> The idea is that SER manages my PSTN gateway. I can always just stack
> more Asterisk servers on, SER I'll never really need to expand (there is
> a redundant SER Server, removing the need for clustering).  Then the
> call gets "sent" to asterisk for smart call processing, however actual
> setup of the media gets resent back to SER. I'm not sure if I'll be able
> to do this, but  I may be able to do it with re-invites. Any thoughts?
> -Brett
>
>
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