Detecting Telephone Signals

L

lidestructive

New Member

• Apr 11, 2003

• #1

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.

 

S

serggi

New Member

• Jul 25, 2003

• #2

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

 

Electric Rain

New Member

• Jul 25, 2003

• #3

:lol: You two are in luck! Here, try this place: **broken link removed** This place might be good. Let me know how that works for you. :wink:

 

S

sedaya

New Member

• Jul 27, 2003

• #4

hi there... actually i face a problem of detecting phone sgnal, but from mobile phone. can u help me?? do you have any circuit???