[Asterisk-Users] */SER/FW

[Chris Albertson]

A few reasons why one may want to use SER in a small network.  Of
course the claim of "thousands of calls processed per second"
makes SER attactive to large networks, most of use don't have
1000 users period let alone 1000 per second.

In a small network you might like these features:

1) users can sign up for service them selves.  With * an admin must
   edit a couple *.conf files in /etc/asterisk.  With three
   users this is a non-issue but with three dozen maybe you start to
   care?

2) you may want very fine control over routing.  What attacted me
   to SER was that SIP protocol level details are exposed to the
   system admin via the config file.  so there is at lest some
   hope of overcomming some of the issues with NAT

I think it is safe to say that if your needs are both simple and
your call volume is resonable then Asterisk alone will do just fine.
but as soon either of those two conditions fail to apply you may
want to look at SER.  Being in back of a NAT firewal may
be enough to fail the "simple" condidtion, I don't know yet.



--- John Todd <jtodd at loligo.com> wrote:
> >Hi,
> >
> >I've just read the postings regarding the interworking between * and
> SER.
> >As these persons seem quite knowledgeable on this, I would like to
> have
> >their advise on my planned installation:
> >
> >- I have broadband cable access
> >- I plan to install a SIP-aware router
> >- I plan to install a Linux server with Digium analog IF card(s) for
> >connection to my analog line (incoming and outgoing)
> >- I plan to install Asteriks on that server
> >- I plan to install a SIP-proxy,registrar on the same server (I've
> been
> >looking at iptel's SER)
> >- I plan to use the Budgetone SIP phones
> >- I plan to have a public (static) IP address
> >
> >All this to have my own little phone company for me and my
> family/friends
> >as we are spread over Europe (high international phone costs!).
> Calling
> >eachother on our SIP phones and also being able to use eachother's
> PBX's to
> >make local calls. I would host the SIP Registrar (in stead of
> outsourcing).
> >
> >My main question lies in the interworking between iptel's SER and
> Asteriks.
> >Not only on the configuration side, but also on the network side
> (here I
> >mean: can both run on the same server, or do they need to have
> different IP
> >addresses, ...).
> >
> >Does anybody have a diagram or any practical guide on how to install
> this?
> >
> >Thanks,
> >
> >Steven
> >
> 
> Unless you have very specific reasons for running SER, I would 
> suggest also that you stay with Asterisk only.  Your network does not
> 
> sound large enough or complex enough to justify use of SER, 
> especially if you're already using Asterisk boxes as  'gateways' to 
> the PSTN in several countries.  SER is very nice, but do you know why
> 
> you think you need it?
> 
> JT
> _______________________________________________
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> Asterisk-Users at lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users



=====
Chris Albertson
  Home:   310-376-1029  chrisalbertson90278 at yahoo.com
  Cell:   310-990-7550
  Office: 310-336-5189  Christopher.J.Albertson at aero.org
  KG6OMK

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