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<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff size=2>The
"O" in FXO means Office, so that connects to your POTS lines. The "S" in
FXS means Station, which connects to an extension.</FONT></SPAN></DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff size=2>In
your case, I'd dump the Toshiba System entirely, because Asterisk can do all the
Toshiba can, and the Asterisk VM doesn't have any port
restrictions.</FONT></SPAN></DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff size=2>In
order to connect to the four POTS lines, Digium offers a quad-FXO card TDM04B,
$337. As an alternative, you could get four X100Ps for $396, but there's a
rumor that the PCI bus only supports four digium cards at a time. There
are some reports of trouble with the TDM04B, so you may want to do your homework
before buying anything. If you're going to a PRI, the T100P will be the
best solution.</FONT></SPAN></DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff size=2>As for
extensions (let's assume you need 24), you have various
choices. </FONT></SPAN></DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff size=2>-
T100P + channel-bank + 24 analog phones</FONT></SPAN></DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff size=2>-
TDM40B offers four FXS (extension) ports for each card -- again, 4-card
limitation will restrict you to 4 FXO/12 FXS</FONT></SPAN></DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff size=2>-
Purchase 24 IP Phones (from $100-$500 each)</FONT></SPAN></DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff size=2>-
Purchase 24 IAXies from Digium at $100/port and connect them to 24 analog
phones</FONT></SPAN></DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff size=2>-
Purchase a few SIP-adapters (like the Sipura SPA-2000) at $50/port and connect
analog phones</FONT></SPAN></DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff size=2>- any
combination of the above</FONT></SPAN></DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff size=2>Before
rolling this into production, you may want to install asterisk on an "extra"
system and see how you get along with it. It's easier to learn for some
than for others.</FONT></SPAN></DIV>
<DIV><SPAN class=660461520-21072004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
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style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT
face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Michael Little
[mailto:mlittle@iqep.com] <BR><B>Sent:</B> Wednesday, July 21, 2004 1:58
PM<BR><B>To:</B> asterisk-users@lists.digium.com<BR><B>Subject:</B>
[Asterisk-Users] Future installation questions - what do I
need?<BR><BR></FONT></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I currently have a Toshiba Strata
DK424 with a Stratagy voicemail system (4 ports). I am looking to go
from having a receptionist answering the phone to an automated
attendant. It appears that Asterisk can be the solution, but I have some
questions. Do I just replace the Stratagy with the Asterisk or do I need
to reconfigure the routing of the phone lines? Currently, the POTS lines
come in to the Strata phone system. Would I need to have the POTS lines
come in to the Asterisk then connect the Strata to the Asterisk? The
Strata is equipped with an automated attendant, but only having 4 ports causes
dropped calls. At the current time, we just want to use the automated
attendant and voicemail features, but we intend to start using VoIP and
SIP. Finally, which cards do I need to purchase? I am not familiar
with all the terminology, so I am a little confused with FXS and FXO.
Once I figure out where things need to go, I think it would make things a
little easier. All our phone lines come in on POTS lines, but we may
change to PRI at some point. I understand that this will change which
cards I need. I have mainly been looking at the Digium cards do to
pricing. The Intel (Dialogic) cards seem to be a lot more
expensive. Are the Intel’s any better than the Digium? Any
assistance would be greatly appreciated.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thanks in
advance.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Michael</SPAN></FONT><o:p></o:p></P></DIV></BLOCKQUOTE></BODY></HTML>