Last week, and just five minutes ago, I discovered that my Courier would
not answer any inbound calls. Several tests with my other line and mobile
proved that there was a definite problem. The auto-answer LED on my
Courier's panel would flash while the line was ringing, but my mailer would
fail to show any signs of a RING signal. Jumping into terminal mode, I
dialled my line again. ASCII garbage of equal amounts would echo to the
screen in place of a RING.

In both cases, I found that rewriting the modem's profile
(AT&F1&K3) did the trick and fixed the problem; the Courier would
once again recognise RING and answer the call. I have no idea why this
suddenly started happening.

Anyone have any explanation for this odd behaviour? Could it be a fault
with NVRAM? I'd be interested in hearing people's thoughts on the matter. I
don't particularly want to rewrite my modem's profile regularly.

John (japp{at}mpx.com.au)

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