15 Mar
2005
15 Mar
'05
10:57 a.m.
See inline.
Few days ago I just finished installing SER 0.8.14 and
serweb stable
with mysql authentication and accounting. Seems to be working well.
I'm moving my focus to SER 0.9.0 with "centralized" Radius accounting
and SEMS (if possible). I still have several deployment questions
about that though.
For the "fifo_db_url" parameter in 0.9.0, what feature(s) does it
enable?
I haven't really looked closely, but I believe the database FIFO was
introduced to allow a unified FIFO-based access to the database. Up to
0.9.0, serctl was implemented by running actual mysql commands, now it can
communicate (using a generic protocol) with the FIFO.
About RADIUS accounting, several users posted their
problem in not
being able to run the RADIUS server on a different host, but seems
there were no answers to their inquiries. Is that true?
I saw a post a while ago mentioned a third file clients.conf where the
clients had to be entered, but haven't tested it yet.
For SEMS, Greger mentioned that it "uses a full
ser instance as its
front-end". Does it mean that it can be run on a different host so it
can serve as a "centralized" media server for several different SER
proxies?
Yes.
I planning to test out an announcement feature - users
need
to hear an audio before their call will be established with the
callee. Somewhere in the list I saw people said that this can only be
accomplished with the use of a B2BUA. While SER+SEMS have an
announcement feature, is it a different feature than "Pre-call
speech", or SEMS cannot be run as a centralized media server for such
purpose without some re-programming?
I don't really know this, as I haven't used SEMS, but I believe your first
statement is correct. There is a difference between playing a message and
*then* establishing the call and just playing a message, because in the
first scenario you actually have three parties in the media streams.
g-)
From:
"Greger V. Teigre" <greger(a)teigre.com>
To: "matt morris" <mmorris36(a)hotmail.com>om>,
<serusers(a)lists.iptel.org>
Subject: Re: [Serusers] Questions about SER+SERWEB+SEMS deployment
Date: Tue, 1 Mar 2005 09:34:59 +0100
Dear Matt,
A small group of ser users have started to write a Getting Started
document that will address many of your questions. A date for a
first draft is not yet set, but the draft will be posted to this
list. To your questions:
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Serusers mailing list
serusers(a)lists.iptel.org
http://lists.iptel.org/mailman/listinfo/serusers I'm a new user of SER. Just some questions
about how I could deploy
SER+SERWEB+SEMS, possibly on separate hosts, as I plan to have more
than one SER proxy server with a centralized web server and
media/voice mail server (1) Basically what features will I be
missing if I decide to omit the fifo functions (if possible) in
serweb? ( aliases, add new contact SIP address and who are online
would be three features, right?)
Standard ser does not have network-based FIFO functionality. Various
initiatives have worked on this issue. Meanwhile, my advice
is: Do not start with this complexity. Use FIFO (only thing serweb
supports today), install serweb on the same server as ser, get it up
and running and start the learning curve.
(2) I saw in one of the threads that there is a
fifo_server.php
file available for fifo-Internet relay, but not quite sure how to
use it. Could someone give me some pointers?
cvs 0.9.0 in the utils directory.
(3) Somewhere in the mailing list I saw the
"fifo_db_url" global
declaration, is it a feature only available in version 0.9.0? And is
there a serweb version that will work with ser 0.9.0?
Yes. And no, I believe serweb is not yet fully functional with
0.9.0.
(4) I have not tried SEMS yet, but since it also
communicates with
SER via fifo, I would assume it has to be in the same host as SER,
right? Are there any existing modules/plugins that will allow SER
and SEMS on different hosts? If not, would it be more scalable if I
build an Asterisk box to handle voice mails?
No, sems uses a full ser instance as its front-end. See examples
supplied. There are different opinions as to whether sems is mature
enough to
handle voicemail. It depends on your needs. In the Getting Started
doc we will use Asterisk.
(5) If I have multiple SER proxy servers on
different hosts, how
could UA Alpha registered with SER proxy A be able to call UA beta
which registered with SER proxy B? What setup/configuration would I
need?
There are no short-cuts to accomplishing what you want. You need to
fully understand how proxying and other things work. Start out with
a tutorial, read the admin manual, and go through the serusers list
on mail.iptel.org. http://www.iptel.org/ser/sipintro.html
http://www.iptel.org/sip/
http://www.iptel.org/ser/admin.html
g-)