Re: [hylafax-users] Transmission problems: info and questions

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Ross Boylan wrote:

> Unfortunately, I only have the one modem.  I've been holding off
> asking for advice til the other system is setup enough to be ready for
> faxing (and I've checked the archives/faqs etc).  But, if you have
> any quick suggestions...  This is for light home use; my main goal is
> to avoid the kinds of problems I'm having now!
>  

Try to upgrade the firmware in your USR first.  Someone recently said 
that it was the miracle cure for their woes.  (That said, I don't 
believe much in miracle cures.)

My modem recommendations are as complicated as always.  :-)

In as few words as possible: anything except for USR

In a few more words:  either a MainPine or MultiTech 5634 modem would be 
ideal... but if you don't care about SuperG3/V.34-Fax and if you don't 
care about manufacturer support then the options are a bit more varied.  
Your biggest constraint is that it be internal (thus probably only PCI), 
and there are a limited number of non-linmodem PCI modems 
(3Com-chipsetted, Agere-chipsetted, or Topic-chipsetted) - and the only 
one of those that is worth using is are the Agere-chipsetted ones.  
MainPine, MultiTech, and Zoom have all used these chipsets.  In the 
linmodem world I've used (or tried to use) just about all kinds, I 
think.  I had good success with a PCtel linmodem for a long time until 
the fax line was consolidated away from that system.  I've used Lucent 
linmodems, too, and they worked great.  I've also tried, to a much 
lesser extent, Linuxant linmodems, but some recent reports we've seen 
here are discouraging with regards to Linuxant HSF/HCF linmodems.  There 
is a Cirrus Logic/Ambient/Intel linmodem out there, but the last time I 
tried it didn't support Linux kernel v2.6... these modems probably will 
work better run from Asterisk/zaptel/iaxmodem (strange as that is), 
anyway, for your fax needs.

For testing purposes I've always found it very easy to take an external 
modem, plug it in, and see how things go.  You can probably find a Class 
1-supporting Rockwell/Conexant-based external modem for cheap on eBay or 
in a nearby computer equipment recycler or second-hand store.  Of course 
the vendor probably won't be able to tell you the chipset or what fax 
classes it supports, but some research should get you there.

> Do the problems receiving point in any particular direction?

No, but it seems to further confirm that the problems are not a fluke.

Lee.


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