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<div>Hi Ezequiel<a></a>.</div>
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First of all there are no logical reason and technical way to set two channels for a same call (no sense to a configuration issues).<br>
Therefore how you can determine from a CAS line signalling is regardless to the same call? because on your trace it exactly show the same line sequences without any information about call of Inter-register Signalling (Call Setup), both calls have ended by
the same reason (the call have disconnected from the far side). <br>
Sorry based on your information it doesn't seems to identify a problem for a; one call is handler correctly and the other fail, have contacted with Telefonica<a></a><a></a><a></a> to let you know about why some incoming calls are released without exchange of R2<a></a><a></a><a></a>
signals?. </div>
<div>Best regards.</div>
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<div><font size="2" face="Tahoma">Mc GRATH<a></a><a></a><a></a><a></a><a></a><a></a><a></a><a></a><a></a><a></a><a></a><a></a><a></a><a></a><a></a> Ricardo</font></div>
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