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05/04/06 17:02
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#115599 - detecting call progress tones
Hi

How to detect call progress tones using 89c52 (dial tone, busy, ringback, etc.)

i am using mt8888 ic to connect to telephone line

Nandhu

List of 4 messages in thread
TopicAuthorDate
detecting call progress tones            01/01/70 00:00      
   where you entered your post it read            01/01/70 00:00      
   May not work in India            01/01/70 00:00      
   Did not search first            01/01/70 00:00      

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