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Modem control string to set number of rings when modem is dialling out.

Posted on 2007-03-20
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Last Modified: 2013-12-27
Is there a "generally supported" modem control string that allows you to set how many rings the modem will allow the far end to ring for when the modem is calling out?

We have a phone activated power switch that power cycles our cable modem & router when we call  a phone line plugged into the switch, so long as the line only rings 1 or 2 times.  (It's also the fax line that picks up on 3). DirectUpdate is running on our server, which can execute an external program when it fails to ping out for however many minutes, so I want it to call a dialler that calls the power switch and hangs up on the first or 2nd ring to reset the DSL connection when it hangs from time to time.  

If there is no modem string, does anyone know of a free or cheap dialler (for windows) that can "count the rings" instead and do the same thing
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Question by:ianto39
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by:fullandby
ID: 18768967
HyperTerminal Private Edition is free but I do not know if it has a  hang up on count= type feature.
http://www.hilgraeve.com/htpe/index.html
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ianto39 earned 0 total points
ID: 18769063
Thanks but HyperTerminal Private Edition doesn't have this ability. I'm closing the question as I ended up getting the answer from Jacek, the guy behind PhoneDialerPro who was very helpful. Here is what he told me:

PC modems aren't capable of recognizing rings on outgoing phone call, in fact a modem does not know when it is connected.

However:

1. You can use any of PhoneDialerPro's dialers and use 'Drop call after...secs' option:
1 ring = 6s (2s ring + 4s interval between rings).  Be sure to set the 'Busy Detect' option accurately.

The Program actually has an Advanced Option "Drop Connected Call After 1 Ring", which is implemented by waiting 6s from the moment dialer decides it is NOT busy.

2. Or use Auto Dialer Pro dialer which has 'Silence detection' option built-in. It should detect rings on outgoing call under condition that you have a voice modem

3. Or buy Hi-Phone Desktop modem from www.way2call.com and then use any of PhoneDialerPro's dialers with it. That modem recognize correctly when the call is connected.
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