In a message of  Kari Suomela (1:2424/101) writes:
 KS> Wednesday April 01 1998 09:00, Rick Collins wrote to Vinay Sahni:
RC> X1 disables BUSY detection as well as NO DIAL TONE, while X3 keeps BUSY
RC> detection enabled.
 KS> Not really! These only affect the responses, not what the modem does.
I'm backing Rick on this one.  I think you need to check your manual again.
   Gene Lowry - USR_MODEMS Moderator
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