[plug] Dailup Modem troubles.

Arie Hol arie99 at ozemail.com.au
Fri Feb 19 18:27:00 WST 2010

On 19 Feb 2010 at 11:23, doodli wrote:

> Yes, some poor soul still have to use them. My dailup internet service
> at the moment is terribly unreliable . Sometimes it stays connected  the
> full time but other times it is all over the place in duration .  Below
> is the last section of the connection log in Opensuse 11.2 64Bit. This
> is the same problem using 3 different modems on 3 different computers
> using 3 different operating systems. OpenSuse 11 +11.2, Windows 7 RC
> trail version, and winXP.  The only constants now are the ISP and this
> house.
> Now, I'm just sought of wondering out loud here, not knowing a terrible
> lot about electronics at all, we seem to suffer a fair few mini
> brownouts, being in the middle of nowhere and the last on the power
> lines, our lights and tv flicker (darken and sometimes even brighten),
> could this sort of carry on cause the modem to drop the connection?? or
> could it trip the dtr into causing the modem to hangup.
> Any suggestions that a clean and wholesome and could fix our problem are
> most welcome. The ISP says they can see no problems at their end,
> Telstra says , well really nothing of terrible interest other then it is
> our fault.
> Call waiting has been turned off. Automatic disconnect is turned off.
> Status is: connected
> pppd[0]: Hangup (SIGHUP)
> pppd[0]: Modem hangup
> pppd[0]: Connect time 45.1 minutes.
> pppd[0]: Sent 1857487 bytes, received 7118866 bytes.
> pppd[0]: restoring old default route to eth0 []
> pppd[0]: Connection terminated.
> pppd[0]: Script /etc/ppp/ip-down finished (pid 15148), status = 0x0
> Status is: disconnected
> pppd[0] died: A modem hung up the phone (exit code 16)
> _______________________________________________
> PLUG discussion list: plug at plug.org.au
> http://www.plug.org.au/mailman/listinfo/plug
> Committee e-mail: committee at plug.linux.org.au

Have you tried unplugging all telephone equipment (including - cordless 
phones, answering machines) before connecting with your dialup modem ?

If you have more than one telephone device/socket in your house - have 
you tried using a different socket for the dialup modem ?

Then - when you have a stable connection with your dialup modem, plug in 
the other telephone devices - one at a time and check your connection 
before you again plug in any/each other device. 

It could take quite a bit of time to sort it out - but it could highlight 
a problem with other devices on your line.

If you are in a remote area on a remote line that is affected by moisture 
at connection terminals and junctions boxes, you could be getting side 
effects caused by voltage swings - especially when another subscriber in 
your area receives an incoming ring tone on their line. 

This might cause your modem to hang up.


Regards Arie
 For the concert of life, nobody has a program.
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