[hylafax-devel] Re: Modem Reset Commands

[Steve Williams <steve@genie96.com>]

Hi,

[snip]

> - usually admins tune their modems once (e.g. adjust TX level for the
> specific telco line) and then store resulting settings to the NVRAM; that's

I have spoke on this before, but no-one that hopes to run HylaFAX RELIABLY
in a mixed data/fax environment can rely on this.  I know 100 % for sure that
I do NOT rely on the modem being in any "default" state.

I have mentioned this before..

HOWEVER, if the ATZ resets the data pump, then I am all for it.
BUT...the state of the modem after the ATZ MUST BE SUSPECT.. if a user
( via cu, minicom, etc ) has set the modem to something & done an AT&W

I just like to make this real clear...  In a fax only environent, where
HylaFAX is the only thing accessing the modem, relying on ATZ would
be acceptable.

> the common practice. Why to duplicate these site-specific settings in
> ModemResetCmds?
> - if someone do not like *default* ATZ value for ModemSoftResetCmd, it can
> be changed (or even disabled) in config.<device>
> 
> > The setting baud rate stuff for each fax sent is kind of inefficient as 
> > well - it reads in the current params and resets them to the new values 
> > even if the old and new values are the same!
> 
> There are many inefficient things -- e.g. have you noted, that modem is
> always initialized twice? But I do not think we should immediately
> change/fix these issues. There are tasks with higher priority.
> 
> Hope to hear from you soon,
> Dmitry
> 
> 
> 
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-- 
	Steve Williams, Calgary, Alberta, Canada
	Genie Computer Systems Inc.
	steve@genie96.com

"A man doesn't begin to attain wisdom until he recognizes that he is 
 no longer indispensable."
- Admiral Richard E. Byrd ( 1888-1957 )

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