VanguardLH wrote:
M.L. wrote:


VOIP service is separate from Internet service. That's why when you
call to report an outage they ask if the other service still works (to
know the physical connections and cabling are still okay).

This is how an all-in-one box does it.
Wifi
/
ADSL ----- PPPOE decap ----- VOIP extracted ------- rest of routing ---- switch
here due to amt for computer room / | | \
of ports and port
ranges needed
/ \

That's an all-in-one modem/router/voip with two RJ11 on it.

If the ADSL is not running, *everything* dies.

The serially connected bits can knock out things downstream
of them.

For example, my very first router, which cost $300 and
was a piece of crap, it actually died where the
left hand connection on the switch chip comes in. The
box was partitioned internally, by a failure. But that
was a permanent failure, rather than a temporary one.

Paul