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    <div class="moz-cite-prefix">Thanks Goke M Aruna, I resolved the
      problem it was an issue within ss7.conf with the parameters "opc"
      &amp; "dpc".<br>
      <br>
      Now the channels are all in state "idle" and i am able to make
      calls.<br>
      <br>
      The calls are transmitted, but the voice stream is not.<br>
      <br>
      I have the next message within the logs:<br>
      <pre>[Mar 18 16:36:54] NOTICE[16915]: channel.c:2591 __ast_read: Dropping incompatible voice frame on SS7/siuc/30 of format ulaw since our native format has changed to 0x8 (alaw)
</pre>
      <br>
      <br>
      On 03/18/2013 04:43 PM, Goke M Aruna wrote:<br>
    </div>
    <blockquote
cite="mid:CAE=Ditr22Y1xL0Os31tV-eKaC3eAFbCYPX1EhgUHgjhtUkrdrw@mail.gmail.com"
      type="cite">which of the two servers is the master and which is
      the slave? which is the clock source?&nbsp;
      <div><br>
      </div>
      <div>check this link. &nbsp; <a moz-do-not-send="true"
          href="http://wiki.openvox.cn/index.php/OpenVox_D410E_Dahdi_en">http://wiki.openvox.cn/index.php/OpenVox_D410E_Dahdi_en</a></div>
      <div><br>
      </div>
      <div>Regards<br>
        <br>
        <div class="gmail_quote">On Mon, Mar 18, 2013 at 4:11 PM, amine
          <span dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:ferhi.med.amine@gmail.com" target="_blank">ferhi.med.amine@gmail.com</a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div bgcolor="#FFFFFF" text="#000000">
              <div><u>chan_dahdi.conf<br>
                  <br>
                  Machine1:</u><br>
                <br>
                [channels]<br>
                context=default<br>
                <br>
                switchtype = euroisdn<br>
                overlapdial = yes<br>
                <br>
                ringtimeout=8000<br>
                <br>
                callwaiting=no<br>
                <br>
                callerid=asreceived<br>
                <br>
                usecallerid=yes<br>
                <br>
                hidecallerid=no<br>
                <br>
                usecallingpres=yes<br>
                <br>
                callwaitingcallerid=yes<br>
                <br>
                cidsignalling=dtmf<br>
                <br>
                echocancel=yes<br>
                <br>
                echocancelwhenbridged=yes<br>
                rxgain=0.0<br>
                txgain=0.0<br>
                <br>
                threewaycalling=yes<br>
                <br>
                callreturn=yes<br>
                <br>
                adsi=no<br>
                <br>
                group=1<br>
                <br>
                callgroup=1<br>
                pickupgroup=1<br>
                <br>
                immediate=no<br>
                pridialplan=unknown<br>
                prilocaldialplan=unknown<br>
                <br>
                group=2<br>
                signalling=pri_net<br>
                context=PBX_Asterisk<br>
                channel=&gt;63-77,79-93,94-108,110-124<br>
                rxgain=0<br>
                txgain=0<br>
                <br>
                <font color="#ff0000">;GROUP3 : USED FOR SS7<br>
                  group=3<br>
                  ;signalling=pri_cpe<br>
                  signalling=ss7<br>
                  context=PSTN2_Asterisk<br>
                  channel=&gt;1-15,17-31<br>
                  rxgain=0<br>
                  txgain=0</font><br>
                <br>
                group=4<br>
                signalling=pri_cpe<br>
                context=PSTN3_Asterisk<br>
                channel=&gt;32-46,48-62<br>
                rxgain=0<br>
                txgain=0<br>
                <br>
                <u>Machine2 :</u> the only difference is the Groups<br>
                <br>
                group=2<br>
                signalling=pri_net<br>
                context=PBX_Asterisk<br>
                channel=&gt;63-77,79-93,94-108,110-124<br>
                rxgain=0<br>
                txgain=0<br>
                <br>
                group=3<br>
                signalling=pri_net<br>
                context=PBX3_Asterisk<br>
                channel=&gt;32-46,48-62<br>
                rxgain=0<br>
                txgain=0<br>
                <br>
                <font color="#ff0000">;GROUP4 : USED FOR SS7</font><br>
                <font color="#ff0000">group=4<br>
                  ;signalling=pri_net<br>
                  signalling=ss7<br>
                  context=PBX1_Asterisk<br>
                  channel=&gt;1-15,17-31<br>
                  rxgain=0<br>
                  txgain=0</font>
                <div>
                  <div class="h5"><br>
                    <br>
                    <br>
                    On 03/18/2013 03:01 PM, Goke M Aruna wrote:<br>
                  </div>
                </div>
              </div>
              <div>
                <div class="h5">
                  <blockquote type="cite">share your chan_dahdi.conf<br>
                    <br>
                    <div class="gmail_quote">On Mon, Mar 18, 2013 at
                      3:51 PM, amine <span dir="ltr">&lt;<a
                          moz-do-not-send="true"
                          href="mailto:ferhi.med.amine@gmail.com"
                          target="_blank">ferhi.med.amine@gmail.com</a>&gt;</span>
                      wrote:<br>
                      <blockquote class="gmail_quote" style="margin:0 0
                        0 .8ex;border-left:1px #ccc
                        solid;padding-left:1ex">
                        <div bgcolor="#FFFFFF" text="#000000"> @Goke M
                          Aruna<br>
                          <br>
                          <u>/etc/dahdi/system.conf</u><br>
                          <br>
                          <u>Machine1:</u> I tryed with mtp2, bchan,
                          dchan<br>
                          <pre>span=1,0,0,ccs,hdb3</pre>
                          <pre>bchan=1-15,17-31</pre>
                          <pre>#mtp2=16</pre>
                          <pre>#bchan=16</pre>
                          <pre>dchan=16
</pre>
                          <u>Machine2:</u><br>
                          <pre>span=1,1,0,ccs,hdb3</pre>
                          <pre>bchan=1-15,17-31</pre>
                          <pre>#mtp2=16</pre>
                          <pre>#bchan=16</pre>
                          <pre>dchan=16</pre>
                          Results :
                          <div><br>
                            Machine 1:<br>
                            <pre># rasterisk -x "ss7 link status"</pre>
                          </div>
                          <pre>linkset:siuc, link:l1/16, state:INSERVICE, sls:0, total: 4294293/&nbsp;&nbsp;&nbsp; 16</pre>
                          <div> <br>
                            Machine 2:<br>
                            <pre># rasterisk -x "ss7 link status"</pre>
                          </div>
                          <pre>linkset:siuc, link:l1/16, state:INSERVICE, sls:0, total: 4415921/&nbsp;&nbsp;&nbsp; 16</pre>
                          <div> <br>
                            Still i have the next issues :<br>
                            <pre>CLI&gt; ss7 linestat </pre>
                            <pre>Linkset: siuc</pre>
                            <pre>CIC&nbsp;&nbsp; 1 Idle Reset pending</pre>
                          </div>
                          <pre>...</pre>
                          <div>
                            <pre>CIC&nbsp; 31 Idle Reset pending</pre>
                            <br>
                          </div>
                          logs:<br>
                          <br>
                          <pre>[Mar 18 14:50:05] WARNING[28470]: l4isup.c:5057 l4isup_event: Received UEC (CIC 1), link 'l1'.</pre>
                          <pre>[Mar 18 14:50:05] WARNING[28470]: l4isup.c:5069 l4isup_event: Received CIC=1 for unequipped circuit (typ=UEC), link 'l1'.</pre>
                          <pre>[Mar 18 14:50:05] WARNING[28470]: l4isup.c:5057 l4isup_event: Received UEC (CIC 17), link 'l1'.</pre>
                          <pre>[Mar 18 14:50:05] WARNING[28470]: l4isup.c:5069 l4isup_event: Received CIC=17 for unequipped circuit (typ=UEC), link 'l1'.</pre>
                          <pre>[Mar 18 14:50:35] NOTICE[28470]: l4isup.c:1559 t22_timeout: T22 timeout (No "circuit group reset acknowledge" from peer) CIC=1.</pre>
                          <pre>[Mar 18 14:50:35] NOTICE[28470]: l4isup.c:1559 t22_timeout: T22 timeout (No "circuit group reset acknowledge" from peer) CIC=17.</pre>
                          <pre>[Mar 18 14:50:35] WARNING[28470]: l4isup.c:5057 l4isup_event: Received UEC (CIC 1), link 'l1'.</pre>
                          <pre>[Mar 18 14:50:35] WARNING[28470]: l4isup.c:5069 l4isup_event: Received CIC=1 for unequipped circuit (typ=UEC), link 'l1'.</pre>
                          <pre>[Mar 18 14:50:35] WARNING[28470]: l4isup.c:5057 l4isup_event: Received UEC (CIC 17), link 'l1'.</pre>
                          <pre>[Mar 18 14:50:35] WARNING[28470]: l4isup.c:5069 l4isup_event: Received CIC=17 for unequipped circuit (typ=UEC), link 'l1'.</pre>
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