On 14 Apr 2006, at 11:29, Simone wrote:
Hi list,
I am in the process of setting up Asterisk for a new office and
since this is going to be my first "real" installation I'd
appreciate some advice on the hardware from the real world. We will
have 8 channels (still not sure if 4xISDN2 or ISDN30 8 channels,
but I will definitely go for a Digium card with echo hw
cancelation) and a DSL 2mbit line (QoS on the switch and
firewall?), to be configured for both traditional and VoIP usage .
I was looking at the Xorcom TS-1 server and I was wondering if you
would recommend it for a 30 employees office or if you'd rather
build it on a "normal" server (would a double PIII 1Ghz be enough),
and also if you could give a suggestion on the phones (we will get
an HP Gbit switch PoE).
Thanks, any hint really appreciated
Simone
I can only base my advice on what we have done for a smaller office.
If you want 8 lines it is probably as cheap to go for ISDN 30 as for
4xBRI
at least it is here in the UK.
We have a single span E1 card from digium without echo can in a small
1U rack mounted server
(spec: 1Ghz Via processor and 512Mb ram). The Via might be a bit
underpowered for 30 users, but
unless you are transcoding, virtually any modern processor would be
fine for 8 lines.
You need to look out on the DSL line if it is ADSL, since they have
low upstream bandwidth.
Heavy outgoing mail messages (eg attachments sent to distribution
lists) can easily fill the outgoing
(256kbit/s) pipe degrading the voice quality.
I'm very fond of the SNOM phones - elmeg are selling the old SNOM 190
model
which is a decent office phone. For 30 you should be able to get them
for less than £70 each.
I've got 6 - 4 SNOMs and 2 elmegs - No problems with any
of them, but they don't support PoE, so you may want to look at other
models.
Don't underestimate how much training/doc you will need to provide to
get people going on the new system.
They may have been using the old one for years and written little
cribsheets about how to transfer etc.
Tim Panton
[EMAIL PROTECTED]
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