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gshubham96
05-28-2012, 12:51 AM
Hello,
I want to control my telephone i.e land-line with arduino, basically just to dial a no.
I have hacked into the circuitry and have found the wires to dial the required no but i am not able to figure out how to control them w/ arduino using a transistor. To dial a no you just have to short the wires and the no will be dialed. Please help me to figure out the circuit. Thanks in advance.

Regards
Shubham Garg

vikas
05-28-2012, 11:58 AM
For this please use DTMF -

http://brohogan.blogspot.in/2009/12/telephone-interface.html