IS> You may have some S-register or other that adjusts how long
 IS> the modem waits
IS> before abandoning the LAPM detection phase, unless that's hard-coded?  If
IS> possible, adjust this upwards 50%.  You may also do better

[..]

 PE> However, I can tell you that the x'91'/x'11' come in up to 3-6
 PE> seconds after the CONNECT message, and I doubt any S-register will
 PE> give such a massive delay in negotiating EC.

On the DPX596:

"S34  Error Correction Timeout:  Determines the length of time (.1 to
25.5 seconds) the answering modem looks for Error Correction initiation
poll from the originating modem.  If no Error Correction initiation poll is
received within the defined time limit, the modem operates in normal mode
or disconnects the call (depending on &E setting)."

The AT&F default is 50 (5 seconds).  I've run with it set to 60 (6
seconds) since seeing the problem you describe occur early on ('91), with
some modems.  I don't recall having seen it happen since, and of course
that settings's only the upper limit; most modems will sort E/C out much
more quickly.

Ian

--- MaltEd 1.0.b5