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    <div class="moz-cite-prefix">I have seen this happen when there are
      quick alarm on the trunk, OK->RED, 1-4 seconds later,
      RED->OK, check for alarms on the log.<br>
      If it's this problem, a dahdi restart will rectify.<br>
      Let the developers know, I'm trying to get 100% rid of all MFC R2
      with Asterisk due to this kind of issues, but ISDN is impossible
      to obtain in the countryside.<br>
      <br>
      Marcelo<br>
      <br>
      On 05/09/13 17:00, ServTelar wrote:<br>
    </div>
    <blockquote
      cite="mid:2D098CFE-7FB5-4767-86C0-6B36315F10F4@gmail.com"
      type="cite">
      <meta http-equiv="Content-Type" content="text/html;
        charset=ISO-8859-1">
      Check the bit status using dahdi_tool. ABCD=1101 means block, 1001
      means idle (showing in vertical).
      <div><br>
      </div>
      <div>
        <div>    ┌───────────────┤ T4XXP (PCI) Card 0 Span 3
          ├────────────────┐                                            
                   </div>
        <div>                                               ┌─────│    
                                                                 │ ────┐
                                                         </div>
        <div>                                               │     │    
                                                                 │     │
                                                         </div>
        <div>                                               │     │  
           Current Alarms:     No alarms.                          │    
          │                                                </div>
        <div>                                               │     │  
           Sync Source:        T4XXP (PCI) Card 0 Span 1           │  ↑
           │                                                </div>
        <div>                                               │     │  
           IRQ Misses:               0                             │  ▒
           │                                                </div>
        <div>                                               │     │  
           Bipolar Viol:             0                             │  ▒
           │                                                </div>
        <div>                                               │     │  
           Tx/Rx Levels:         0/  0                             │  ▒
           │                                                </div>
        <div>                                               │     │  
           Total/Conf/Act:      31/ 30/ 30                         │  ▒
           │                                                </div>
        <div>                                               │     │    
                                  1111111111222222222233        
          ┌──────┐    │  ▒  │                                          
               </div>
        <div>                                               │     │    
             1234567890123456789012345678901         │ Back │    │  ▮  │
                                                         </div>
        <div>                                               │     │  
           TxA 111111111111111 111111111111111       └──────┘    │  ▒  │
                                                         </div>
        <div>                                               │     │  
           TxB 111111111111111 111111111111111                     │  ▒
           │                                                </div>
        <div>                                               │     │  
           TxC 000000000000000 000000000000000                     │  ↓
           │                                                </div>
        <div>                                               │     │  
           TxD 111111111111111 111111111111111                     │    
          │                                                </div>
        <div>                                               │     │    
                                                                 │     │
                                                         </div>
        <div>                                               │     │  
           RxA 111111111111111 111111111111111                     │    
          │                                                </div>
        <div>                                               │     │  
           RxB 011111111111111 111111111111111                     │    
          │                                                </div>
        <div>                                               │     │  
           RxC 000000000000000 000000000000000                     │    
          │                                                </div>
        <div>                                               │     │  
           RxD 111111111111111 111111111111111                   </div>
      </div>
      <div><br>
      </div>
      <div>In this case just ch=1 is receiving idle, the rest are
        blocked, and we're transmitting blocked.</div>
      <div><br>
      </div>
      <div>Regards</div>
      <div><br>
      </div>
      <div>Gustavo</div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div>
        <div>On May 9, 2013, at 3:51 PM, Christian Cabrera <<a
            moz-do-not-send="true" href="mailto:ccabrera@gmail.com">ccabrera@gmail.com</a>>
          wrote:</div>
        <br class="Apple-interchange-newline">
        <blockquote type="cite">
          <div dir="ltr">
            <div class="gmail_default"
              style="font-family:tahoma,sans-serif;color:rgb(0,0,102)">Hello,</div>
            <div class="gmail_default"
              style="font-family:tahoma,sans-serif;color:rgb(0,0,102)"><br>
            </div>
            <div class="gmail_default"
              style="font-family:tahoma,sans-serif;color:rgb(0,0,102)">
              Recently, the E1 of one of my clients stopped "almost"
              working. They have a 10 channel E1 with R2, but only the
              first channel appears as IDLE, while the remaining stay at
              BLOCK.</div>
            <div class="gmail_default"
              style="font-family:tahoma,sans-serif;color:rgb(0,0,102)">
              <br>
            </div>
            <div class="gmail_default"
              style="font-family:tahoma,sans-serif;color:rgb(0,0,102)">Here's
              what the mfcr2 show channels throws:</div>
            <div class="gmail_default"
              style="font-family:tahoma,sans-serif;color:rgb(0,0,102)">
              <br>
            </div>
            <div class="gmail_default">
              <div class="gmail_default"><font color="#000066"
                  face="tahoma, sans-serif">Chan Variant Max ANI Max
                  DNIS ANI First Immediate Accept Tx CAS   Rx CAS</font></div>
              <div class="gmail_default">
                <font color="#000066" face="tahoma, sans-serif">   1 MX
                       10      4        No        No               IDLE
                      IDLE</font></div>
              <div class="gmail_default"><font color="#000066"
                  face="tahoma, sans-serif">   2 MX      10      4      
                   No        No               IDLE     BLOCK</font></div>
              <div class="gmail_default"><font color="#000066"
                  face="tahoma, sans-serif">   3 MX      10      4      
                   No        No               IDLE     BLOCK</font></div>
              <div class="gmail_default"><font color="#000066"
                  face="tahoma, sans-serif">   4 MX      10      4      
                   No        No               IDLE     BLOCK</font></div>
              <div class="gmail_default"><font color="#000066"
                  face="tahoma, sans-serif">   5 MX      10      4      
                   No        No               IDLE     BLOCK</font></div>
              <div class="gmail_default"><font color="#000066"
                  face="tahoma, sans-serif">   6 MX      10      4      
                   No        No               IDLE     BLOCK</font></div>
              <div class="gmail_default"><font color="#000066"
                  face="tahoma, sans-serif">   7 MX      10      4      
                   No        No               IDLE     BLOCK</font></div>
              <div class="gmail_default"><font color="#000066"
                  face="tahoma, sans-serif">   8 MX      10      4      
                   No        No               IDLE     BLOCK</font></div>
              <div class="gmail_default"><font color="#000066"
                  face="tahoma, sans-serif">   9 MX      10      4      
                   No        No               IDLE     BLOCK</font></div>
              <div class="gmail_default"><font color="#000066"
                  face="tahoma, sans-serif">  10 MX      10      4      
                   No        No               IDLE     BLOCK</font></div>
              <div
                style="color:rgb(0,0,102);font-family:tahoma,sans-serif"><br>
              </div>
              <div
                style="color:rgb(0,0,102);font-family:tahoma,sans-serif"><br>
              </div>
              <div
                style="color:rgb(0,0,102);font-family:tahoma,sans-serif">The
                configuration is as usual. Here's my system.conf:</div>
              <div
                style="color:rgb(0,0,102);font-family:tahoma,sans-serif"><br>
              </div>
              <div
                style="color:rgb(0,0,102);font-family:tahoma,sans-serif">------------------------------------------</div>
              <div>
                <div><font color="#000066" face="tahoma, sans-serif">span=1,1,0,cas,hdb3</font></div>
                <div><span
                    style="color:rgb(0,0,102);font-family:tahoma,sans-serif">cas=1-15:1101</span><br>
                </div>
                <div><font color="#000066" face="tahoma, sans-serif">cas=17-31:1101</font></div>
                <div><span
                    style="color:rgb(0,0,102);font-family:tahoma,sans-serif">echocanceller=mg2,1-15,17-31</span><br>
                </div>
                <div><br>
                </div>
                <div><font color="#000066" face="tahoma, sans-serif">loadzone
                           = mx</font></div>
                <div><font color="#000066" face="tahoma, sans-serif">defaultzone
                        = mx</font></div>
                <div
                  style="color:rgb(0,0,102);font-family:tahoma,sans-serif">
                  ------------------------------------------<br>
                </div>
              </div>
              <div
                style="color:rgb(0,0,102);font-family:tahoma,sans-serif"><br>
              </div>
              <div
                style="color:rgb(0,0,102);font-family:tahoma,sans-serif"><br>
              </div>
              <div
                style="color:rgb(0,0,102);font-family:tahoma,sans-serif">
                And here's my chan_dahdi.conf</div>
              <div
                style="color:rgb(0,0,102);font-family:tahoma,sans-serif"><br>
              </div>
              <div>
                <div>
                  <div
                    style="color:rgb(0,0,102);font-family:tahoma,sans-serif">------------------------------------------<br>
                  </div>
                </div>
                <div><font color="#000066" face="tahoma, sans-serif">signalling=mfcr2</font></div>
                <div><font color="#000066" face="tahoma, sans-serif">mfcr2_variant=mx</font></div>
                <div><font color="#000066" face="tahoma, sans-serif">mfcr2_get_ani_first=no</font></div>
                <div><font color="#000066" face="tahoma, sans-serif">mfcr2_max_ani=10</font></div>
                <div><font color="#000066" face="tahoma, sans-serif">mfcr2_max_dnis=4</font></div>
                <div><font color="#000066" face="tahoma, sans-serif">mfcr2_category=national_subscriber</font></div>
                <div><font color="#000066" face="tahoma, sans-serif">mfcr2_mfback_timeout=-1</font></div>
                <div><font color="#000066" face="tahoma, sans-serif">mfcr2_metering_pulse_timeout=-1</font></div>
                <div><font color="#000066" face="tahoma, sans-serif">mfcr2_forced_release=no</font></div>
                <div><font color="#000066" face="tahoma, sans-serif">context=from-pstn</font></div>
                <div><font color="#000066" face="tahoma, sans-serif">group=0</font></div>
                <div><font color="#000066" face="tahoma, sans-serif"><br>
                  </font></div>
                <div><font color="#000066" face="tahoma, sans-serif">mfcr2_logdir=span1</font></div>
                <div><font color="#000066" face="tahoma, sans-serif">mfcr2_call_files=yes</font></div>
                <div><span
                    style="color:rgb(0,0,102);font-family:tahoma,sans-serif">mfcr2_logging=all</span><br>
                </div>
                <div><font color="#000066" face="tahoma, sans-serif">channel
                    => 1-10</font></div>
                <div
                  style="color:rgb(0,0,102);font-family:tahoma,sans-serif">
                  <div style="color:rgb(34,34,34);font-family:arial">
                    <div
                      style="color:rgb(0,0,102);font-family:tahoma,sans-serif">
                      ------------------------------------------<br>
                    </div>
                    <div><br>
                    </div>
                    <div><br>
                    </div>
                    <div style="">Unless I just got blind, everything is
                      by the book (and this setup was working fine).
                      These are the specifics of the system:</div>
                    <div style=""><br>
                    </div>
                    <div style="">OpenR2 1.3.2</div>
                    <div style="">Asterisk 1.8.21.0</div>
                    <div style="">Digium Wildcard TE121</div>
                    <div style="">Carrier: Telmex (México)</div>
                    <div style="">CentOS 6.4 (just recently did yum -y
                      upgrade so everything is the most recent version
                      as of today)</div>
                    <div style=""><br>
                    </div>
                    <div style=""><br>
                    </div>
                    <div style="">Apart from checking the config files
                      again and again, this is what I also tried:</div>
                    <div style=""><br>
                    </div>
                    <div style="">- Plugging/unplugging the cable</div>
                    <div style="">- Rebooting</div>
                    <div style="">- Switching the card from PCIe slot </div>
                    <div style=""><br>
                    </div>
                    <div style=""><br>
                    </div>
                    <div style="">As you can imagine, Telmex says "its
                      fine from my side". Since everything started to
                      malfunction with no users involved, my guts tell
                      me its them, not us. How can I prove it with a
                      Digium card? I know the commands from Sangoma for
                      wanpipe debugging, but this cards are not my
                      strongest point when it comes to debugging. </div>
                    <div style=""><br>
                    </div>
                    <div style="">Any ideas? Any commands I can execute
                      to mail Telmex and prove whose fault is this?</div>
                    <div style=""><br>
                    </div>
                    <div style="">Regards,</div>
                    <div style=""><br>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
          --<br>
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