Simon, at 17:43 on Jan 01 1997, you wrote to David Drummond ...

. . .[chomp]. . .

DD>> In order for two people to communicate using sign-language, 
DD>> is it necessary for both people to understand sign-language, 
DD>> or just one?

SB> Obviously both modems must agree to retraining, but that 
SB> doesnt necessarily imply that that is achieved by both users 
SB> having to enable the command for retraining manually at both 
SB> ends. 

If one end has it disabled (automatically) then it ain't gunna work!

SB> The other possibility I had in mind was that if it was 
SB> enabled at the *calling* end (for example) then both modems
SB> would negotiate to use retraining.

SB> What I was after was finding *which* of the possible ways of 
SB> deciding whether to use retraining was the one actually 
SB> used...

Some models of Rockwell based modems have retrain DISabled by default.  If
another modem, with retrain enabled, requests a retrain from these modems,
they refuse it!  The calling modem tends to hang up in disgust.

David
@EOT:

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