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<br>We have 2 PRI from AT&T <br><br>And all is well but only few numbers having following issue. We are getting hangup cause 18 do you guys have any idea ? We have just migrate 1.2 to 1.8 and this issue raised <br><br>[Jun 7 17:57:10] VERBOSE[23717] sig_pri.c: -- Span 2: Channel 0/3 got hangup request, cause 18<br>[Jun 7 17:57:10] DEBUG[24856] sig_pri.c: Not yet hungup... Calling hangup once with icause, and clearing call<br>[Jun 7 17:57:33] VERBOSE[23717] sig_pri.c: -- Span 2: Channel 0/4 got hangup request, cause 18<br><br> </body>
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