[asterisk-users] TDM400 hangup issue in China

[Tzafrir Cohen]

On Fri, Dec 14, 2007 at 09:58:52AM +0800, Rilawich Ango wrote:
> > >
> > > busydetect = yes
> > > hanguponpolarityswitch = yes
> >
> > Which of the two?
> >
> > busydetect will work almost always. But it is suboptimal: it may sotimes
> > accidentally detect running calls. And it takes a few seconds to detect
> > a hangup.
> Do you mean we need to adjust the value of busycount (larger than 5)
> to avoid suddenly hangup by the busydetect?
> >
> > If the provider sends you polarity events, you should be able to see
> > them as debug messages of Asterisk (if debugging is turned on).
> Could you show us a sample for the message?  We don't need to set
> hanguponpolarityswitch if there is no such event?

Something of the sort of:

  Got event Polarity Reversal(17) on channel 21 (index 0)

In this case I got a polarity reversal event to Zap/21 (which is an FXO
channel).

-- 
               Tzafrir Cohen
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