Changing ring style in DAHDI FXO signaling channel

Hello experts,

In Asterisk, we have:

exten => 9,1,Dial(DAHDI/1,5)

This is to generate a ring on the device attached to the Dahdi channel 1 for five seconds. The dial ring voltage will be used for some electrical circuit implementation.

1. How to control the length of the ring? In other words: I want 5 seconds of static rinnnnnnnnng, not ring ring.....ring ring.
2. Is there any way in DAHDI to control ring voltage? (Make it 18 volts instead of 40 volts)
MuhajreenAsked:
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xReaperConnect With a Mentor Commented:
in system.conf you can loadzone=country different for different ports.
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xReaperCommented:
Hello, to select the delay of the ring and other stuff, please read about indications.conf

Not sure about voltage.
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MuhajreenAuthor Commented:
indications.conf doesn't cover the requirement. It controls ring styles for the entire system. I need to control them for some specific DAHDI analog ports. There seems to be no solution for my issue. I will delete the question.

If somebody has a solution, please post it here before this question is deleted.
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