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???
06/20/03 13:13
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 		 #48899 - RE: Interface Telephone and Microcontroller
Responding to: ???'s previous message
"Well, my project guide told me that we can use DTMF IC for this purpose"

All a DTMF chip will give you is DTMF generation/detection. You still have to interface that to the phone line - and messing about with phone lines may well be illegal in your country!

See http://www.8052.com/forum/read.phtml?id=36214

Check out the links here: http://www.keil.com/discuss/docs/thread2960.htm



List of 48 messages in thread
TopicAuthorDate
Interface Telephone and Microcontroller            01/01/70 00:00      
   RE: Interface Telephone and Microcontrol            01/01/70 00:00      
   RE: Interface Telephone and Microcontroller            01/01/70 00:00      
      RE: Interface Telephone and Microcontroller            01/01/70 00:00      
      interfacing parallel eeprom in 89c51            01/01/70 00:00      
         RE: interfacing parallel eeprom in 89c51            01/01/70 00:00      
   Thinking about a modem?            01/01/70 00:00      
   RE: Interface Telephone and Microcontroller            01/01/70 00:00      
      RE: Interface Telephone and Microcontroller            01/01/70 00:00      
      RE: Interface Telephone and Microcontroller            01/01/70 00:00      
         RE: Interface Telephone and Microcontroller            01/01/70 00:00      
            RE: Interface Telephone and Microcontroller            01/01/70 00:00      
               RE: flitan waqar            01/01/70 00:00      
                  RE: flitan waqar            01/01/70 00:00      
      RE: Interface Telephone and Microcontroller            01/01/70 00:00      
         RE: Interface Telephone and Microcontroller            01/01/70 00:00      
            RE: Interface Telephone and Microcontroller            01/01/70 00:00      
               RE: ringing counting - gotcha!            01/01/70 00:00      
                  RE: Ya, but you only got some fur.            01/01/70 00:00      
                     RE: Ya, but you only got some fur.            01/01/70 00:00      
                        RE: Ya, but you only got some fur.            01/01/70 00:00      
                           Don't forget Petri Nets            01/01/70 00:00      
                              RE: Don't forget Petri Nets            01/01/70 00:00      
                                 RE: Don\'t forget Petri Nets            01/01/70 00:00      
                                    Thank to all            01/01/70 00:00      
                           RE: Ya, but you only got some fur.            01/01/70 00:00      
                  RE: ringing counting - gotcha!            01/01/70 00:00      
                     RE: ringing counting - gotcha!            01/01/70 00:00      
                        RE: ringing counting - gotcha!            01/01/70 00:00      
                           RE: ringing counting - gotcha!            01/01/70 00:00      
                              RE: ringing counting - gotcha!            01/01/70 00:00      
                                 RE: ringing counting - gotcha!            01/01/70 00:00      
                              RE: ringing counting - gotcha!            01/01/70 00:00      
                                 RE: ringing counting - gotcha!            01/01/70 00:00      
   Take a look            01/01/70 00:00      
      RE: Take a look            01/01/70 00:00      
         RE: Take a look            01/01/70 00:00      
            RE: Take a look            01/01/70 00:00      
            RE: Take a look            01/01/70 00:00      
               For Mr. Gupta\'s benefit...            01/01/70 00:00      
               RE: Take a look            01/01/70 00:00      
                  RE: Take a look            01/01/70 00:00      
               RE: Take a look            01/01/70 00:00      
                  RE: Take a look            01/01/70 00:00      
                     RE: Take a look            01/01/70 00:00      
                        RE: Take a look            01/01/70 00:00      
                           RE: Take a look            01/01/70 00:00      
   RE: Interface Telephone and Microcontroller            01/01/70 00:00      

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