[Asterisk-Users] SOHO PBX using asterisk

[Christopher L. Wade]

Christopher L. Wade wrote:
> Joel Moore wrote:
> 
>> I'm new at this, too, but I think I can field this one.  FXS ports are 
>> for
>> connecting to your phones and FXO ports are for connecting to the 
>> PSTN. In
>> your situation you would get a TDM400P card with four FXS ports which 
>> will
>> allow you to configure 4 individual extensions.  The DSL doesn't use a 
>> port
>> on the Digium card since it is accessed via the PC's network interface.
>>
>>> -----Original Message-----
>>> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Giorgio 
>>> Incantalupo
>>>
>>> Hi,
>>> I'd like to build a personal PBX connecting 4 or 5 analogic phones 
>>> with a ADSL line and I'd like to know what is the right card I need
>>> I visited digium site and I think TDM400 could be the right choice 
>>> but I cannot understand how it works...I think it has 4 slots where 4 
>>> modules (FXS or FXO) can be inserted. How many cards do I need to 
>>> connect my ADSL line to 5 phones? I think I need two cards, one with 
>>> 1 FXS for the ADSL line and 3 FXO for the phones and the second card 
>>> with only 2 FXO modules, is this correct?
>>> Where can I find the drivers for this card? Should I re-compile linux 
>>> kernel or there is another way to add drivers to linux?
>>>
>>> Thanks in advance.
>>>
>>> Giorgio.
> 
> 
> Joel,
> 
> Be careful with this.  The OP did not mention VoIP.  While he did 
> mention ADSL, that does not necessarily mean VoIP.  He could be 
> referring  to the phone line he - probably - still has that now comes 
> off his ADSL filters, etc.
> 
> Giorgio,
> 
> Joel is correct.  FXO is for PSTN side, FXS is for office/phone side. If 
> you want to use the POTS line typically associated with ADSL, you'll 
> need a TDM40B (TDM400 + 4 x FXS) and depending on your needs/location a 
> TDM01B (TDM400 + 1 x FXO).  If you did mean to use VoIP, scratch the 
> TDM01B and just plug an ethernet cable between your ADSL router and the 
> NIC on your * server.
> 
> -Chris
> 

Oops, just noticed, for 5 (FIVE) phones plus using the analog line 
related to your ADSL line, you'd need a TDM40B and a TDM11B.

-Chris

-- 
Christopher L. Wade                     Unistar-Sparco Computers, Inc.
Senior Systems Administrator                            dba Sparco.com
Email: clwade at sparco.com                             7089 Ryburn Drive
Phone: (901) 872 2272 / (800) 840 8400            Millington, TN 38053
Fax:   (901) 872 8482                                              USA