Modem commands from DOS

> On Mon, 5 Apr 2004 17:16:51 -0700, "RE"
> <anonymous@discussions.microsoft.com> wrote:
>
>

>>I'm trying to send modem dialing commands from DOS to
>>trigger a pager. (Modem=USR 56K Fax PCI on COM3, WinXP
>>Home). I would like to send ATDT 18881234567,,,,124124#
>>to the modem from a DOS Batch command.
>>

>

>>From DOS Prompt:

>

>>ECHO ATH1 >COM3 correctly takes the modem off hook and a
>>dial tone can be heard.
>>
>>ECHO ATZ > COM3 correctly resets the modem.
>>
>>But:
>>
>>ECHO ATDT 12345 >COM3 causes a short crackle from the
>>modem speaker as if it briefly tries to go off-hook and
>>immediately hangs up, but doesn't send any dialing tones.
>>
>>Modem works normally in all Windows Apps, and responds to
>>ATDT dialing commands using HyperTerminal.....
>>
>>Any ideas on what I'm doing wrong appreciated!
>>

>
> This is just a thought, as I've never used and DOS commands to
> manipulate my modem, all those years ago when I used one.....
>
> When you are in the Command Line Interface (it's not DOS and it's a
> bad idea to think of it that way), you may very well be trying to
> directly control the hardware - which XP will shut down.
>
> In hyperterminal, on OS based graphical interface, the OS is
> controlling the modem
>
> Please remember that DOS does not exist in any form in XP. Oh,
> there's a window that looks like an old DOS box, and many DOS commands
> and programs work there, but not all, and it is most certainly NOT
> MS-DOS. Don't expect it to work like something it cannot be.
>