incoming dtmf tone in gsm

picfreak · Joined: 26 Oct 2009 Posts: 16

Dialer B gsm module side I'm interfacing pic16f877a.

Dialer A called to dialer b. Dialer B attend the call of dialer A. At that time dialer A pressed any number in the other end. How can dialer B can detect that dtmf tone? Pls help me out how to detect an

Mark W · Joined: 24 May 2009 Posts: 7 Location: Wellington NZ

Check out the MT8889 chip. There is a driver in the driver library.

Cheers

Mark

picfreak · Joined: 26 Oct 2009 Posts: 16

I am using 4.084 version.
In driver library there is no driver FOUND MT8889.

HELP ME OUT

Guest · Posted: Thu Nov 26, 2009 10:48 am

Oh good lord, are you that much of a 'babe in the woods'? Do you require that we totally 'spoon feed' you??

Do a Forum search for 'MT8889'. You'll find the referenced driver in the Forum Code Library. This is a user-provided driver, not a CCS-provided driver.

You did do a forum search for 'DTMF' before your original post, right??

Seth