<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Pessoal,<div><br></div><div>Tenho alguns servidores funcionando com OpenR2 usando Asterisk 1.6.2.</div><div>Três deles apresentam as mesmas características de bloqueio de canais e consequentemente queda de chamadas.</div><div>Dois funcionam com E1s da Oi e um funciona com E1s da Telefônica.</div><div><br></div><div>Utilizo as seguintes configurações:</div><div><br></div><div><div><b>/etc/dahdi/system.conf</b></div><div><br></div><div>loadzone=br</div><div>defaultzone=br</div><div><br></div><div>#Sangoma A104 port 1 [slot:2 bus:7 span:1] <wanpipe1></div><div>span=1,1,0,cas,hdb3</div><div>cas=1-15:1101</div><div>cas=17-31:1101</div><div>echocanceller=mg2,1-15,17-31</div><div><br></div><div>#Sangoma A104 port 2 [slot:2 bus:7 span:2] <wanpipe2></div><div>span=2,2,0,cas,hdb3</div><div>cas=32-46:1101</div><div>cas=48-62:1101</div><div>echocanceller=mg2,32-46,48-62</div><div><br></div><div><b>/etc/asterisk/chan_dahdi.conf</b></div><div><br></div><div><div>signalling=mfcr2 </div><div>mfcr2_variant=br </div><div>mfcr2_get_ani_first=no</div><div>mfcr2_max_ani=20</div><div>mfcr2_max_dnis=4 </div><div>mfcr2_category=national_subscriber </div><div>mfcr2_allow_collect_calls=no</div><div>mfcr2_immediate_accept=no</div><div>mfcr2_forced_release=yes</div><div>mfcr2_mfback_timeout=4000</div><div>mfcr2_charge_calls=yes</div><div>;mfcr2_advanced_protocol_file=/etc/asterisk/r2proto-br.conf</div><div>mfcr2_metering_pulse_timeout=500</div><div>context=ramais</div><div>group=1</div><div>channel =>1-15,17-31</div><div><br></div><div><br></div><div>Esporadicamente recebo as mensagens de bloqueio e desbloqueio dos canais do E1, com as mensagens abaixo:</div><div><br></div><div><div>[Apr 5 19:54:00] NOTICE[15186]: chan_dahdi.c:1947 dahdi_r2_on_line_blocked: Far end blocked on chan 44</div><div>[Apr 5 19:54:00] NOTICE[15185]: chan_dahdi.c:1947 dahdi_r2_on_line_blocked: Far end blocked on chan 39</div><div>[Apr 5 19:54:00] NOTICE[15186]: chan_dahdi.c:1947 dahdi_r2_on_line_blocked: Far end blocked on chan 45</div><div>[Apr 5 19:54:00] NOTICE[15185]: chan_dahdi.c:1947 dahdi_r2_on_line_blocked: Far end blocked on chan 40</div><div>[Apr 5 19:54:00] NOTICE[15186]: chan_dahdi.c:1947 dahdi_r2_on_line_blocked: Far end blocked on chan 42</div><div>[Apr 5 19:54:00] NOTICE[15185]: chan_dahdi.c:1947 dahdi_r2_on_line_blocked: Far end blocked on chan 41</div><div>[Apr 5 19:54:00] NOTICE[15186]: chan_dahdi.c:1947 dahdi_r2_on_line_blocked: Far end blocked on chan 43</div><div><br></div><div>[Apr 5 19:54:00] NOTICE[15186]: chan_dahdi.c:1956 dahdi_r2_on_line_idle: Far end unblocked on chan 42</div><div>[Apr 5 19:54:00] NOTICE[15185]: chan_dahdi.c:1956 dahdi_r2_on_line_idle: Far end unblocked on chan 39</div><div>[Apr 5 19:54:00] NOTICE[15186]: chan_dahdi.c:1956 dahdi_r2_on_line_idle: Far end unblocked on chan 43</div><div>[Apr 5 19:54:00] NOTICE[15185]: chan_dahdi.c:1956 dahdi_r2_on_line_idle: Far end unblocked on chan 40</div><div>[Apr 5 19:54:00] NOTICE[15186]: chan_dahdi.c:1956 dahdi_r2_on_line_idle: Far end unblocked on chan 44</div><div>[Apr 5 19:54:00] NOTICE[15185]: chan_dahdi.c:1956 dahdi_r2_on_line_idle: Far end unblocked on chan 41</div><div>[Apr 5 19:54:00] NOTICE[15186]: chan_dahdi.c:1956 dahdi_r2_on_line_idle: Far end unblocked on chan 45</div><div><br></div><div>Alguém já passou por esse tipo de problema?</div><div>Já pesquisei na Internet e vi algumas sugestões, mas nada resolveu.</div><div><br></div><div><br></div><div>Atenciosamente,</div><div><br></div><div><br></div><div><br></div><div><div><div class="Section1"><div style="margin-top: 0cm; 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