Juergen K. Zick wrote:
HI,
well, that was what I expected in my posting yesterday. For me, your
wiring looks strange. Here in Germany, we have "spiltters" connected to
the incoming line which have two outputs: A high pass filter output for
the DSL signal and a low pass output with DC pass-through for the POTS
signal. the DSL output is being connected to the DSL-modem and the POTS
output will feed your internal POTS wiring.
The only jack that has both a phone and the DSL connector indeed has a
splitter on it, provided by Bellsouth.
Therefore, there is _NO_ filter needed on each POTS outlet, because
there is nothing to be filtered out on your internal line anymore.
You may be correct. I am definitely _not_ familiar enough with DSL.
However, 5 years ago, I had a DSL line in my apartment, and I was
specifically told by the installation tech that I needed a filter on
_any_ jack that had a real phone connected to it. That may not have been
necessary, or perhaps isn't necessary any longer, or perhaps varies by
provider, but that's what I was told at the time, and that's what I did
(with no problems).
The filters on the phone jacks that didn't have the modem connected were
not splitters, just single filters.
Seen from my German wiring knowlegde, your cabling is wrong and causes
the interruptions on the DSL service.
That's definitely possible, just not my personal (single point!) experience.
Don`t you have something like a "spiltter" available ? It should be the
_ONLY_ filter on your incoming line and then the DSL-modem and the POTS
phone should be connected to it ...
OK, it would be easy for him to remove the other filters temporarily and
test again.
Thanks!
--Jürgen
Replying to my own post (and my most recent follow-up). I have now
confirmed 100% that the DSL modem gets a _new_ IP address every time
his "real" phone gets answered, or hung up! This (of course) disrupts
the audio coming from to him, since the sending machine (Asterisk in
my case), no longer has the correct IP address to send to him.
I lowered his registration from the default 1 hour to 1 minute, so
after we're disconnected, I can see that he's re-registering with a
new IP address, each and every time :-(.
I told him to call Bellsouth and ask about a Static IP address, but I
don't know if they offer it, or how much they charge.
While this one isn't "solved", it's at least "explained".
Thanks to everyone who responded!
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