How to design a call progress detector?

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sokrat

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call progress detectors

Hi all

i want to detect the call progress"busy tone ,ring bacK ,.. " from phone line using microcontroller
any one have good idea



thanks


S 8O KRAT
 

ringback detector

CML have chips for doing just that at www.cml.com


best


bobi
 

Re: call progress detector

bobcat1 said:
CML have chips for doing just that at www.cml.com


best


bobi
Click to expand...
i want to detect the call progress"busy tone ,ring bacK ,.. " from phone line using microcontroller :?:


S 8O KRAT
 

Re: call progress detector

Try www.Clare.com, they have a great collection of chips for phone line interfacing.

Good Luck (rabena ma3ak)
 

Re: call progress detector

hi ,

i don't think it be possible to do the job with microcontroller only ,
you should use a chip for detecting tones and a microcontroller to manage it .
you can use CMX867 , modem IC wich can do what you have said , both detecting and transmitting these tones and many more functions.

Regards.
 

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