[cisco-voip] FXO port showing line reversal

Nick Matthews matthnick at gmail.com
Sun Aug 30 21:06:16 EDT 2009


I think this is also seen when a 4-wire cable is in use instead of 2-wire.

-nick

On Sat, Aug 29, 2009 at 12:21 PM, Jason Aarons
(US)<jason.aarons at us.didata.com> wrote:
>
>
> I think this is because PSTN 1FB (POTS) line has tip/ring mixed?
>
>
>
> 2/0/8 is a FXO interface going to Bell..
>
>
>
> Debug vpm signal
>
> Aug 29 15:58:45.387: htsp_process_event: [2/0/8, FXOLS_ONHOOK,
> E_DSP_SIG_0110]
>
> Aug 29 15:58:45.387: fxols_line_reversal_clid_wait. On_hook line reversal
> detected possibily due to crossed cable
>
>
>
> http://markmail.org/message/pvon6jijhjcexiwr#query:FXO%20port%20showing%20line%20reversal+page:1+mid:fk2n37l26pkdzcgw+state:results
>
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