Re: [LUG] asterisk dahdi issues

[stinga@xxxxxxxxxxxxx]

On 12/10/11 16:24:00, Gordon Henderson wrote:
> On Wed, 12 Oct 2011, stinga@xxxxxxxxxxxxx wrote:
>
> > After working for about 12 months one of my incoming BT lines no  
> > longer works.
> >
> > Connected to Asterisk 1.6.2.7 currently running on pbx (pid = 17274)
> > digium tdm400
> >
> > Incoming call
> > [Oct 12 15:54:07] NOTICE[17983]: chan_dahdi.c:8436 ss_thread: Got  
> > event 17 (Polarity Reversal)...
> > [Oct 12 15:54:09] WARNING[17983]: chan_dahdi.c:8497 ss_thread: CID  
> > timed out waiting for ring. Exiting simple switch
> >
> > I get the above and nothing happens
> Have you tried plugging a normal phone into it?
Yes, works fine

> Dial the BT test code - 17070.
Done and works fine, ring back works, phone rings, well one does  
another I have does not.

> > The hookstate is different, onhook vs offhook
> >
> > swapping the lines over on the tdm400 gives the same results but  
> > different channel numbers.

> It's really rubbish. You probably don't have enough line voltage for  
> it to register. Zaptel was better (IME)
I agree!

> Do the regular phone test - try option 1 too - ringback. Make sure a  
> normal phone rings at full oomph.
Well it all sounds ok, bit difficult to tell with new phones.

Also found...
[root@pbx asterisk]# cat /proc/dahdi/1
Span 1: WCTDM/4 "Wildcard TDM400P REV I Board 5" (MASTER)

           1 WCTDM/4/0 FXOKS (In use) (SWEC: MG2)
           2 WCTDM/4/1 FXOKS (In use) (SWEC: MG2)
           3 WCTDM/4/2 FXSKS (In use) (SWEC: MG2)
           4 WCTDM/4/3 FXSLS (In use) RED(SWEC: MG2)

I tried loopstart here as I saw website with this, I am now back to ks.

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