Information regarding modem

Hello stuart,
i need some information regarding modem programming
my problem:

i need to get infromation from modem when i place a
call, if i get a busy tone then i have to fine what is
teh reason for this busy tone is the line is busy or
end user is busy .
how can this task be achieved .

Regards,
Raju

=====
Regards,
P.N.Raju,
Ecobill GmbH,
Kimpler Straße 296,
Krefeld,
Germany

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