I have done at least rudimentary testing of each of these
dialers in an SCO XENIX or UNIX.  I have good faith in
the HA24, USR24, MPAD, T2500 and MC9624 dialers.
Some many things and ROMs have been called Trailblazer Plus
that I juust dunno.

dialgHA24       Hayes 2400
dialgMC9624     Microcom AX/9624c
dialgMPAD       AT&T Tridom VSAT modem emulation PAD
dialgT2500      Telebit T2500
dialgTBPlus     Telebit Trailblazer rom version 5.01
dialgUSR24      US Robotic Courier 2400
