Having problems waking up a VENTEL modem inside programs

[Darren New]

To wake up a VENTEL, you must send two CRs (^M, not ^J).  These
must be sent about 0.5 - 1.0 seconds apart with no intervening characters.
You can't send NULs and you can't send them right on top of each other.
Other than that, there is no real trick.
                          -Darren
(I can't help you with the specific system, as I learned to do
this from (gasp) CP/M-80.  Maybe newer VENTELs are different. )