USR Courier

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--OgqxwSJOaUobr8KG
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On Tue, Sep 29, 1998 at 10:43:49PM +0200, Steeve wrote:
> 
> In case anyone is interested, I got a USR v.everything v.90 Courier
> modem and can now receive and send faxes.
> 
> Completely painless.
> 
> Anyone want to buy a USR 56K Sportster ;)

Don't know what your problems with USR Sportster were, but I had some
trouble with a 56K prof Message Modem.

a) Had to send an AT to it, before it accepted incoming voice calls
b) Changed to +FCC=1,5,0,2,0,0,0,0,5
c) changed faxspool to adjust the page size (1728x2196)

Patches against 1.1.18-Sep1 are appended.

a) It is documented that some USR need AT to adjust speed properly and to
 prevent noise from the line. I didn't figure out a setting to fix this. So I
 patched vgetty instead.

b) If I correctly remember the meaning of +FCC, there is a firmware bug:
  AT+FCC=1,5,0,2,0,0,0,0
    +FIS:1,3,0,2,1,0,1,2
    +FCS:1,3,0,2,0,0,0,0
    +FHS:25
  And I think the last one should read
    +FCS:1,3,0,2,0,0,0,2 (or ,3 ?)
    
  Patching sendfax to use +FCC=1,5,0,2,0,0,0,5 fixes it:
  +FIS:1,3,0,2,1,0,1,2
  +FCS:1,3,0,2,0,0,0,2
 and the fax is successfully sent.

 I sent a report to 3Com, but I doubt they will answer ...

Regards,
-- 
Kurt Garloff, Dortmund 
<K.Garloff@ping.de>
PGP key on http://student.physik.uni-dortmund.de/homepages/garloff

--OgqxwSJOaUobr8KG
Content-Type: text/plain; charset=us-ascii
Content-Description: mgetty-1.1.18-FCC-diff
Content-Disposition: attachment; filename="mgetty-1.1.18-FCC-diff"

--- mgetty-1.1.18/faxlib.c~	Sat Jun 20 17:58:13 1998
+++ mgetty-1.1.18/faxlib.c	Mon Sep 28 09:31:31 1998
@@ -355,7 +355,7 @@
     }
     else				/* standard case, working modem */
     {
-	sprintf( buf, "AT%s=%d,%d,0,2,0,0,0,0",
+	sprintf( buf, "AT%s=%d,%d,0,2,0,0,0,5",
 		 (modem_type == Mt_class2_0) ? "+FCC" : "+FDCC",
 		 fine, (max/2400) -1 );
     }

--OgqxwSJOaUobr8KG
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Content-Description: mgetty-1.1.18.AT.diff
Content-Disposition: attachment; filename="mgetty-1.1.18.AT.diff"

--- mgetty-1.1.18/mgetty.c.orig	Tue Sep  1 13:22:57 1998
+++ mgetty-1.1.18/mgetty.c	Wed Sep 23 21:55:53 1998
@@ -704,6 +704,11 @@
 
 	    dist_ring=0;		/* yet unspecified RING type */
 
+	    if ( mdm_command( "AT", STDIN ) == SUCCESS ||
+		 mdm_command( "AT", STDIN ) == SUCCESS )
+	             lprintf( L_NOISE, "AT succeeded");
+	    else lprintf (L_MESG, "AT failed");
+
 	    if ( c_bool(ringback) )	/* don't pick up on first call */
 	    {
 		int n = 0;
@@ -727,6 +732,7 @@
 	    }
 #endif /* VOICE */
 
+	    lprintf( L_NOISE, "wait for %i rings", rings_wanted );
 	    while ( rings < rings_wanted )
 	    {
 		if ( wait_for_ring( STDIN, c_chat(msn_list), 

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