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???
02/13/05 09:09
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#87252 - Country dependent
Responding to: ???'s previous message
As far as I know, the implementation of Caller ID is country/telecom company dependent, and there are systems using DTMF, too. However, it is sent while the handset is on-hook, so you can not pick it up at the earpiece, as you would in case of DTMF sent during a talk.
Yes, a check with an oscilloscope would definitively help.

Jan Waclawek

List of 7 messages in thread
TopicAuthorDate
A reciever using 8051 core!            01/01/70 00:00      
   Caller ID and DTMF are Different            01/01/70 00:00      
      Country dependent            01/01/70 00:00      
         Mt8880            01/01/70 00:00      
         Same in Mexico            01/01/70 00:00      
   Please explain more            01/01/70 00:00      
   Maybe you can!            01/01/70 00:00      

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