[hylafax-users] FW: Difference in classes

[Steve Tuckner <STUCKNER@xxxxxxxxxxxxx>]

My response is below

> -----Original Message-----
> From: Steve Tuckner [mailto:sat@xxxxxxxxxxxxx]
> Sent: Monday, November 03, 2003 11:42 AM
> To: 'hylafax-users-bounce@xxxxxxxxxxx'
> Subject: RE: [hylafax-users] Difference in classes
> 
> 
> Class 1 and 1.0 differ by the fact that 1.0 indicates support 
> for T.31 which is an updated version of EIA-592 (or whatever 
> the EIA spec for Class 1 was). Class 1.0 includes support for 
> V.34 faxing. Class 1 by itself does not. Faxing in Class 1.0 
> mode when a V.34 connection is made is quite different than 
> faxing in Class 1.
> 
> Class 2.1 includes support for V.34 faxing as well which 
> basically allows the user to set the max baud rate to D 
> instead of 5. Other than that, it is the same as class 2.0.
> 
> Steve Tuckner
> 
> > -----Original Message-----
> > From: hylafax-users-bounce@xxxxxxxxxxx
> > [mailto:hylafax-users-bounce@xxxxxxxxxxx]On Behalf Of Matt Yeager
> > Sent: Monday, November 03, 2003 11:21 AM
> > To: 'Josh Welch'
> > Cc: HylaFax Users Mailing List
> > Subject: Re: [hylafax-users] Difference in classes
> > 
> > 
> > Any ideas on the difference between class 1 and class 1.0? 
> Thanks for
> > the 1 vs. 2 differences. That answers some of my questions 
> on which I
> > should be using.
> > 		-Matt
> > 
> > -----Original Message-----
> > From: hylafax-users-bounce@xxxxxxxxxxx
> > [mailto:hylafax-users-bounce@xxxxxxxxxxx] On Behalf Of Josh Welch
> > Sent: Monday, November 03, 2003 10:59 AM
> > To: hylafax-users@xxxxxxxxxxx
> > Subject: Re: [hylafax-users] Difference in classes
> > 
> > 
> > Matt Yeager said:
> > 
> > What's the difference exactly between class 1, class 1.0, 
> > class 2, class
> > 2.0, and class 2.1 . I've looked around some online, but 
> > can't find any
> > definative comparison. Which one is the better one to use 
> for faxing?
> >                 -Matt
> > 
> > My experience is only with 1, 2 and 2.0. Long story short, running a
> > modem in 2 and 2.0 means that the modems firmware handles the
> > conversations, running in 1 means that the application, in this case
> > hylafax, handles the conversation. Using 2 and 2.0 means that your
> > processor doesn't have to handle that work load, but this is largely
> > irrelevant in todays hardware market, IMHO. Class 1 means 
> > that if there
> > are any oddities or bugs in the firmware of the modem, the 
> application
> > can work around those problems. A number of modems that do 
> > not work well
> > with hylafax in 2 or 2.0 work just fine in class 1.
> > 
> > Josh
> > 
> > 
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> 

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