asterisk users - Sep 2004 - Pass-thru port on X100P Clone

I am using 2 X100P clone cards in my asterisk system, and have one phone line
plugged into the 'line' port of each card.

On one of the cards, I also have a cable plugged into the 'phone' port
and this cable is then connected to the modem on my PC so that I can use it for
dial-up.

I thought that this would then allow me to do dial-up and at the same time it
would lock the port so that the asterisk server would not be able to give this
line to users for outbound calls.

However, when I connect to the internet, the asterisk server thinks that an
incoming phone call is in place, so it answers the call.  This then causes my
internet connection to get cut off.

Am I not meant to use the 'phone' port on these cards?  Do I just have
to connect the dial-up modem 'upstream' of the asterisk server, and hope
that no-one tries to make an outgoing call on that line while I am connected to
the internet?
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Aaron Martin [listasterisk@comtek.co.nz] wrote:
> (Article auto-converted from unnecessary HTML to nice plain text.)
>
> I am using 2 X100P clone cards in my asterisk system, and have one phone
> line plugged into the 'line' port of each card. 
> 
> On one of the cards, I also have a cable plugged into the 'phone'
port
> and this cable is then connected to the modem on my PC so that I can use
> it for dial-up. 
> 
> I thought that this would then allow me to do dial-up and at the same
> time it would lock the port so that the asterisk server would not be able
> to give this line to users for outbound calls. 
> 
> However, when I connect to the internet, the asterisk server thinks that
> an incoming phone call is in place, so it answers the call.  This then
> causes my internet connection to get cut off. 
> 
> Am I not meant to use the 'phone' port on these cards?  Do I just
have to
> connect the dial-up modem 'upstream' of the asterisk server, and
hope
> that no-one tries to make an outgoing call on that line while I am
> connected to the internet?  
>
You are not meant to use the 'phone' port at all.  That port is simply
hard-wired to the 'line' port to allow you to connect an "emergency
use"
phone.  This phone will always have access to the line - even if the
server/power fails.  Using the 'phone' port will not lock the
'line'
port.

You could replace one of the X100Ps with a Sipura SPA-3000, which comes
with one FXO and one FXS.  You should be able to plug your modem into the
FXS port and dial out via the FXO (in theory).

-- 
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Aaron Martin <listasterisk@comtek.co.nz> wrote:
>I am using 2 X100P clone cards in my asterisk system,
>and have one phone line plugged into the 'line' port of each card. 
> 
>On one of the cards, I also have a cable plugged into
>the 'phone' port and this cable is then connected to the
>modem on my PC so that I can use it for dial-up. 
>
>However, when I connect to the internet, the asterisk
>server thinks that an incoming phone call is in place,
>so it answers the call. This then causes my internet
>connection to get cut off. 
We have had the same configuration in our Cairo office while waiting
for ADSL to be installed there. No problems whatsoever. This was with
Asterisk CVS checked out at the time (January 2004) and original
Digium X100P cards.

We even had a dial up script that was activated by dialling an
extension on the phone and another one that would disconnect dialling
another extension. Worked fabulously.

rgds
benjk

-- 
Sunrise Telephone Systems, 9F Shibuya Daikyo Bldg., 1-13-5 Shibuya,
Tokyo, Japan.

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