Modem Hangup

davidn at davidn at
Tue Dec 3 13:54:42 CST 2002

David Lloyd <lloy0076 at> wrote:
> check if call waiting is on

You'd probably know if the dropouts were caused by call waiting.  Call
waiting introduces a beep on the line when a call is waiting, and this
causes the modem to hang up.  When you hang up while a call is waiting,
your line immediately starts to ring, so if your *don't* get a ring
signal immediately after your modem hangs up it's fairly safe to assume
the dropout was *not* caused by call waiting.

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