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| Electronic Projects Design/Ideas/Reviews Are you building an electronic project or want to? Maybe you need some assistance? Come and submit your electronic questions here and let our experienced members find a solution. |
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Thread Tools | Display Modes |
11th April 2003, 03:39 PM
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Detecting Telephone Signals
Hi, is there anyone here who knows how to detect ringback, answer, and busy signals? I am doing an autodialer project using MT8889 and am finished with the tone dialing sequence.
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love is destructive. |
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26th July 2003, 03:56 AM
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I need this infotmation too
Hi, I'm also working on a project related whit phones and I need to know how the thelephone detects dial tone, busy line tone and hungup. If you find some information could you let me know please.
Tank you |
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26th July 2003, 05:57 AM
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:lol: You two are in luck! Here, try this place: http://www.ee.washington.edu/circuit...Schem_Tel.html This place might be good. Let me know how that works for you. :wink:
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When life gives you lemons... make a battery. |
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27th July 2003, 02:48 PM
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Re: Detecting Telephone Signals
hi there... actually i face a problem of detecting phone sgnal, but from mobile phone. can u help me?? do you have any circuit???
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Linear Mode
