Re: [hylafax-users] [hylafax-devel] Re: Re: Distinctive ring & cid

["Jay R. Ashworth" <jra@baylink.com>]

On Thu, Jun 21, 2001 at 08:03:12PM -0400, Jay R. Ashworth wrote:
> Fact: TR-TSY-000030 *requires* that that the CNID burst be sent
> *between* the first and second rings sent to the station.
> 
> It can't ever be sent before the first ring, because most boxes sleep
> until they hear ring signal.
> 
> It can't be sent later because people won't wait.

And I apologize; I meant to add that it can't be sent *during* the ring
because it would be way too expensive to design circuitry to extract
the 1V P-P 201 modem signal off the edge of the 90VAC ring signal.

Cheers,
-- jra
-- 
Jay R. Ashworth                                                jra@baylink.com
Member of the Technical Staff     Baylink
The Suncoast Freenet         The Things I Think
Tampa Bay, Florida        http://baylink.pitas.com             +1 727 804 5015

   OS X: Because making Unix user-friendly was easier than debugging Windows


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