[asterisk-ss7] Debugging Line Errors

[Mitul Limbani]

Looks like you have connected more E1 Channels then what your Server CPU can
handle, or the Wire that connects the E1 and the modem has errors (this is
not very likely, but the prev one could be the case)

Regards,
Mitul Limbani

On Sat, Jul 30, 2011 at 2:23 PM, Nyamul Hassan <nyamul at gmail.com> wrote:

> Hi,
>
> We are getting the following errors from time to time:
>
> NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event:
> HDLC Bad FCS(8) on span 1/0
> WARNING[32196]: app_dial.c:1328 wait_for_answer: Unable to write frametype:
> 2
> NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event:
> HDLC Bad FCS(8) on span 1/0
> NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event:
> HDLC Bad FCS(8) on span 1/0
> WARNING[32261]: app_dial.c:1328 wait_for_answer: Unable to write frametype:
> 2
> NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event:
> HDLC Bad FCS(8) on span 1/0
> NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event:
> HDLC Bad FCS(8) on span 1/0
> NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event:
> HDLC Bad FCS(8) on span 1/0
> NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event:
> HDLC Abort(6) on span 1/0
> NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event:
> HDLC Abort(6) on span 1/0
> NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event:
> HDLC Bad FCS(8) on span 1/0
> NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event:
> HDLC Abort(6) on span 1/0
> WARNING[32264]: app_dial.c:1328 wait_for_answer: Unable to write frametype:
> 2
>
>
> What I've read over this mailing list and elsewhere, it is mostly due to a
> hardware error.
>
> Is there a way to check the hardware errors?  Like, to see the line error,
> bit error, crc error of the E1 line?  That would help us in debugging
> transmission related issue.
>
> Regards
> HASSAN
>
>
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