My new USRobotics Sportster Voice 56K Faxmodem

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After many unhappy experience on my Practical Peripherals 56K MiniTower
modem, I decided to change a new one.  As Rockwell chipset no longer
support Class 2 fax.  I decided to switch from K56 flex to X2.  I just
install a USRobotics Sportster Voice 56K Faxmodem.

I download the V.90 flash from USRobotics and do the upgrade first.
Then I simply replace my old modem with this new modem, the fax
subsystem now works great.  For receiving fax, it seems much more
stable.  In the past, I used to have complain that my modem didn't
answer and could not negotiable the connection and result an "NO
CARRIER" just like I use a telephone to dial to my modem and then hang
up.

Initially, I have problem on sending fax.  It always return "BUSY" after
a successful dial.  At last, I solve it by using ATX2 to disable
detecting BUSY signal.  But I don't know whether it will have any side
effect or not, any idea or comment?  But this fix the problem for me.
Of course, I need to set "ignore-carrier" to yes in order to send more
than one page of fax.

Currently I am using mgetty only (but later may switch to vgetty) and I
am happy with it.

Finally, I have found a small bug (or problem) when faxspool is working
under Linux (or Red Head Linux 5.0 in specific).  It wrongly counts the
number of pages.  In script faxspool, it counts the number of pages
(maxnr) by using:
pages=`ls $spooldir | sed '/^\./d'`
maxnr=`echo $pages | wc -l | tr -d " "`
The problem is "ls" in my case returns everything in one line and thus
"wc" always returns me one.  I simply change it to "wc -w" and now the
counting is correct.

Regards,
Joseph