[asterisk-users] Got event 17 (Polarity Reversal)...

[Jorge Mendoza]

I founded this behaviour in the past. When the CO provides reversal
polarity and the FXO port is configured to ignore polarity events, then
a reversal polarity could be detected as ringing if the
hardware/software is not well designed or configured.
So, if the CO provides polarity reversal, why not set answer and release
supervision to yes?

Jorge Mendoza


Jim Duda wrote:
> If by default Asterisk ignores all polarity events, then why
> does it cause the Dialplan to start?
>
> I did set answeronplarityswitch to no, however, I have had
> the problem occur once already, so, you suspicion might
> be correct.
>
> Jim
>
> Tzafrir Cohen wrote:
>   
>> On Fri, Oct 10, 2008 at 05:51:29PM -0400, Jim Duda wrote:
>>     
>>> Tzafrir,
>>>
>>> Thanks for the tip.  I'm researching answeronpoliaryswitch.  I suspect 
>>> this will solve my issue.  I never would have know to look for this.
>>>
>>> Thanks much!  You made my day :-)
>>>       
>> Hmm... I might have misled you. By default Asterisk ignores all polarity
>> events. Using the polarity events can be a useful feature, but I suspect
>> that it is not the cause of your original problem.
>>
>>     
>
>
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