Hi ,<br> May be CRC4 issue check it .<br><br><div class="gmail_quote">On Sat, Jul 30, 2011 at 2:23 PM, Nyamul Hassan <span dir="ltr"><<a href="mailto:nyamul@gmail.com">nyamul@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi,<div><br></div><div>We are getting the following errors from time to time:</div><div><br>
</div><div><div><div><font face="'courier new', monospace" size="1">NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event: HDLC Bad FCS(8) on span 1/0</font></div>
<div><font face="'courier new', monospace" size="1">WARNING[32196]: app_dial.c:1328 wait_for_answer: Unable to write frametype: 2</font></div><div><font face="'courier new', monospace" size="1">NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event: HDLC Bad FCS(8) on span 1/0</font></div>
<div><font face="'courier new', monospace" size="1">NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event: HDLC Bad FCS(8) on span 1/0</font></div><div><font face="'courier new', monospace" size="1">WARNING[32261]: app_dial.c:1328 wait_for_answer: Unable to write frametype: 2</font></div>
<div><font face="'courier new', monospace" size="1">NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event: HDLC Bad FCS(8) on span 1/0</font></div><div><font face="'courier new', monospace" size="1">NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event: HDLC Bad FCS(8) on span 1/0</font></div>
<div><font face="'courier new', monospace" size="1">NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event: HDLC Bad FCS(8) on span 1/0</font></div><div><font face="'courier new', monospace" size="1">NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event: HDLC Abort(6) on span 1/0</font></div>
<div><font face="'courier new', monospace" size="1">NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event: HDLC Abort(6) on span 1/0</font></div><div><font face="'courier new', monospace" size="1">NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event: HDLC Bad FCS(8) on span 1/0</font></div>
<div><font face="'courier new', monospace" size="1">NOTICE[29077]: chan_dahdi.c:3312 my_handle_link_exception: SS7 got event: HDLC Abort(6) on span 1/0</font></div><div><font face="'courier new', monospace" size="1">WARNING[32264]: app_dial.c:1328 wait_for_answer: Unable to write frametype: 2</font></div>
</div></div><div><br></div><div><br></div><div>What I've read over this mailing list and elsewhere, it is mostly due to a hardware error.</div><div><br></div><div>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.</div>
<div><br></div><div>Regards</div><div>HASSAN</div><font color="#888888"><div><br></div>
</font><br>--<br>
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