Rich Wonneberger wrote in a message to Scott Drake:
>  RW> Why do you need ATZ for Vmodem??  There's no physical modem to 
>  RW> reset..
> 
> Although there is not a physical modem, it's a Virtual Modem and it 
> needs to have a init string sent to it or it doesn't know what to do! 
> Think of Vmodem as a regular modem and you will be safe!
 RW> Gotch ya..
 RW> Could you send just the AT then?? (with a CR I guess)
Here's the results of sending Vmodem an AT?:
 The following is a list of common AT commands and their usage.
  ?    Show this display.
  Cn   CompuServe upload kludge. C0 disables, C1 enables.
  En   Command mode local echo. E0 disables echoing, E1 enables echoing.
  Fn   Local echo after connection. F0 enables (half duplex) , F1 disables.
  Hn   On/Off hook control. H0 hang up, H1 go off hook.
  Sr=n Set S register r to n.
  Sr=? Display the current value of S register r.
  S?   Display S register usage information.
  Z    Virtual modem reset.
  &Cn  Carrier detect operation, &C0 always on, &C1 normal.
  &Sn  DSR operation, &S0 always on, &S1 normal.
  &T   Telnet terminal type, ascii string in quotes.
  &V   View virtual modem settings.
OK
                                   - Bob
Internet  : bob@juge.com
Telnet, Vmodem, WWW or FTP to juge.com
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