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Old 03-16-2008, 12:41 PM   #1
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check phone receiver by minicom

I have a old serial medem connected to phone line, I'd like to check if the telephone receiver is up or down. This should be possible by AT commands.. but I cant find any commends that do the job.
Anyone have some hints ?
Old 03-17-2008, 07:43 AM   #2
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I assume by receiver up/down you are wanting to check for an off hook condition or no dial tone. If the modem command is set to x2 and you attempt a call i.e atdt the modem will respond with a no dialtone message after the wait time (default 2 sec).


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