Email the Sipura support address.  Unfortunately, they didn't listen to me
when I told them about a reproducible bug in how one of their products handled
answer supervision when set for reverse polarity, probably because most people
would never have used that functionality.  Its a pity.  I haven't checked
lately to see if any of their updated firmware fixed the problem.

Bob



---------- Original Message -----------
From: "Roland H. Alden" <[EMAIL PROTECTED]>
To: <kxt@kxthelp.com>
Sent: Sat, 17 Sep 2005 17:47:06 -0700
Subject: KX-T: sipura 3000 PSTN port -> KXT station port

> I have an old KXT 616 and a brand new Sipura 3000. The 3000 has an 
> FXO port and works fine when plugged into Verizon but when it tries 
> to make a call out through a station port on the KXT it (I think)
>  tries to seize the line and then reports a "AUD:Stop PSTN Tone" 
> event.
> 
> This event appears to be only documented on Google by people like me
> having the same class of problem, and no answers as well.
> 
> Some people think this has something to do with the Sipura falsely
> detecting disconnect supervision.
> 
> In the Sipura a lot about "PSTN Disconnect Detection" is 
> configurable. For example these are the default parameters:
> 
> Disconnect tone: [EMAIL PROTECTED],[EMAIL PROTECTED];4(.25/.25/1+2)
> Detect polarity reversal: yes
> Detect CPC: yes
> Min CPC Duration: 0.2
> Detect Polarity Reversal: yes
> 
> I tried the obvious and set Detect CPC to no but that did not fix the
> problem. I know that the KXT has certain peculiarities in this area and
> thought I'd ask here before I start a serious program of trail and
> error.
> 
> _________________________________________________________________
> KX-T Mailing list --- http://kxthelp.com/
> Subscription changes: http://kxthelp.com/mailman/listinfo/kxt
------- End of Original Message -------


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