Question about programming a voice modem

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1 total messages Started by Cheung Chi Kin Fri, 16 Feb 2001 06:01

#977

Author: Cheung Chi Kin
Date: Fri, 16 Feb 2001 06:01

18 lines
2199 bytes

I am writing a program which is used to control a modem to dial number to
another telephone.
I use the basic voice AT command, such as AT+FCLASS=8,..... etc.

When I send the command "ATD242343", the modem immediately response "OK"
after dialing the number.
But there is ringing tone in the telephone line, so I don't know the remote
telephone has picked up or not.

So I want to someone can help me solve the problem.
How can I detect the ringing tone and know the remote site has picked up the
phone.

My modem is Rockwell

If someone knows the solution, please send me an email : ckcheung@kml.com.hk

Thank you!

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