<div dir="rtl"><div dir="ltr">Hi,</div><div dir="ltr"><br></div><div dir="ltr">  To make it easier, let&#39;s call the main extension A, and the secondary extension B. When someone calls B and A is busy, you want the &quot;call-waiting&quot; signal to be heard.</div><div dir="ltr"><br></div><div dir="ltr">Note: I&#39;ve taken snippets from my dial plan and changed them in order to readable without my context; hence, they might not work on first attempt.</div><div dir="ltr"><br></div><div dir="ltr">First, I&#39;ve added a new parameter to the B&#39;s directory entry called &quot;chk_ring&quot; which has the value of B.</div><div dir="ltr"><br></div><div dir="ltr">First, you have to tell mod_limit to track calls to/from the main extension (I am doing that for all extensions) with the following commands before calling the bridge application:</div><div dir="ltr">      </div><div dir="ltr"><div><div>     &lt;action application=&quot;limit&quot; data=&quot;hash max_calls ${dest} -1 HANGUP_USER_BUSY&quot; /&gt;</div></div><div>This causes mod_limit to track the calls to that extension.</div><div><br></div><div>BTW, it is adviseable to add also the following setting in order to count correctly when doing call transfer:</div><div>&lt;action application=&quot;set&quot; data=&quot;limit_ignore_transfer=false&quot; /&gt;<br></div><div><br></div><div>Next, during a new call process you have to check the limit of A extension with the following:</div><div><br></div><div><div><div>&lt;extension name=&quot;Intercom&quot; continue=&quot;true&quot;&gt;</div><div>    &lt;condition break = &quot;never&quot; &gt;</div><div>        &lt;action application=&quot;set&quot; data=&quot;chk_number=${user_data(${destination_number}@${domain_name} var chk_ring)}&quot; inline=&quot;true&quot;/&gt;</div><div>                &lt;action application=&quot;set&quot; data=&quot;OrigDest=${destination_number}&quot;  --- Save the original number</div><div>                &lt;action application=&quot;limit&quot; data=&quot;hash max_calls ${chk_ring} 1 ChangeRingBack&quot; /&gt;<br></div><div>    &lt;/condition&gt;</div><div>&lt;/extension&gt;</div></div></div><div><br></div><div>And then add a ChangeRingBack extension:</div><div><div><div>&lt;extension name=&quot;ChangeRingBack&quot; continue=&quot;true&quot;&gt;</div><div>  <span style="background-color:rgb(249,249,249);color:rgb(0,0,0);font-family:monospace,courier;font-size:12.8px">&lt;condition field=&quot;destination_number&quot; expression=&quot;^limit_exceeded$&quot;&gt;</span></div><div><span style="background-color:rgb(249,249,249);color:rgb(0,0,0);font-family:monospace,courier;font-size:12.8px">    </span><font color="#000000" face="monospace, courier"><span style="font-size:12.8px"> &lt;action application=&quot;set&quot; data=&quot;ringback=${callwait-ring}&quot; /&gt;</span></font></div><div>  --- Do the bridge.</div><div>    &lt;/condition&gt;</div><div>&lt;/extension&gt;</div></div></div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div dir="ltr">2016-12-22 7:54 GMT+02:00 Bipin Patel <span dir="ltr">&lt;<a href="mailto:bipin@xbipin.com" target="_blank">bipin@xbipin.com</a>&gt;</span>:</div><blockquote class="gmail_quote" style="margin:0 .8ex;border-left:1px #ccc solid;border-right:1px #ccc solid;padding-left:1ex;padding-right:1ex">
  
    
  
  <div bgcolor="#FFFFFF" text="#000000">
    <font size="-1"><font face="Arial">hi,<br>
        <br>
        this is exactly what im trying to achieve, i want to be able to
        check if called party is busy on another call then generate a
        different ringback than the normal one i use if not busy. Can u
        kindly provide a dialplan example coz im getting confused on how
        to track if the ext is busy as well as increment and decrement
        the limit value?<br>
        <br>
        <br>
      </font></font>
    <div class="m_3242238943564535639moz-signature">
      Regards,<br>
      Bipin<br>
      <br>
      <br>
      <hr>
    </div>
    <div class="m_3242238943564535639moz-cite-prefix"><span class="">-------- Original Message --------<br>
      Subject: Re: [Freeswitch-users] different ringtone when called
      party is already busy on another call<br></span><span class="">
      From: Yehavi Bourvine <a class="m_3242238943564535639moz-txt-link-rfc2396E" href="mailto:yehavi.bourvine@gmail.com" target="_blank">&lt;yehavi.bourvine@gmail.com&gt;</a><br>
      To: FreeSWITCH Users Help
      <a class="m_3242238943564535639moz-txt-link-rfc2396E" href="mailto:freeswitch-users@lists.freeswitch.org" target="_blank">&lt;freeswitch-users@lists.<wbr>freeswitch.org&gt;</a><br></span><div><div class="h5">
      Date: 12/22/2016, 8:59:35 AM<br>
    </div></div></div><div><div class="h5">
    <blockquote type="cite">
      <div dir="rtl">
        <div dir="ltr">What I am doing in a similar case is:</div>
        <div dir="ltr"><br>
        </div>
        <div dir="ltr">- I am using the mod_limit to know which
          extension is in a call and which is free.</div>
        <div dir="ltr">- If a call is made to a busy extension (which
          has the call waiting feature) then I play a different
          ring-back tone with the command:</div>
        <div dir="ltr">             &lt;action application=&quot;set&quot;
          data=&quot;ringback=${callwait-<wbr>ring}&quot; /&gt;</div>
        <div dir="ltr">- In your case, the busy extension is different
          than the one being called; thus, you have to add to the
          extension variables/parameters a new parameter which specifies
          the other extension number; then you have to call mod_limit
          for both extensions, and play the call-wait ringback if one of
          them is busy.</div>
        <div dir="ltr"><br>
        </div>
        <div dir="ltr">         Regards, __Yehavi:</div>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">
          <div dir="ltr">2016-12-21 13:59 GMT+02:00 Bipin Patel <span dir="ltr">&lt;<a href="mailto:bipin@xbipin.com" target="_blank">bipin@xbipin.com</a>&gt;</span>:</div>
          <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div bgcolor="#FFFFFF" text="#000000"> <font size="-1"><font face="Arial">hi,<br>
                  <br>
                  its a multi line phone so i guess B is accepting the
                  call like a normal call which it should with call
                  waiting enabled on it, if it sent busy then A would
                  simply hear busy tone which i dont want, i want to
                  make A hear a different ringtone while call is waiting
                  so A can know using the tone that B is on another call
                  and might or might not answer<br>
                  <br>
                  <br>
                </font></font>
              <div class="m_3242238943564535639m_-1073053527446265272moz-signature"> Regards,<br>
                Bipin<br>
                <br>
                <br>
                <hr> </div>
              <div>
                <div class="m_3242238943564535639h5">
                  <div class="m_3242238943564535639m_-1073053527446265272moz-cite-prefix">--------
                    Original Message --------<br>
                    Subject: Re: [Freeswitch-users] different ringtone
                    when called party is already busy on another call<br>
                    From: Lợi Đặng <a class="m_3242238943564535639m_-1073053527446265272moz-txt-link-rfc2396E" href="mailto:loi.dangthanh@gmail.com" target="_blank">&lt;loi.dangthanh@gmail.com&gt;</a><br>
                    To: FreeSWITCH Users Help <a class="m_3242238943564535639m_-1073053527446265272moz-txt-link-rfc2396E" href="mailto:freeswitch-users@lists.freeswitch.org" target="_blank">&lt;freeswitch-users@lists.freesw<wbr>itch.org&gt;</a><br>
                    Date: 12/21/2016, 2:22:11 PM<br>
                  </div>
                  <blockquote type="cite">
                    <div dir="ltr">
                      <div>
                        <div>
                          <div>
                            <div>guess It is the B&#39;s function, B is able
                              to put the call in waiting instead of
                              respond 486 to FS, when B is already a
                              call with another party.<br>
                            </div>
                            in this case, I&#39;m afraid FS will have no
                            idea about what is happening in B. <br>
                          </div>
                          what branch B is? did you try B&#39;s role with
                          another phone?<br>
                          <br>
                        </div>
                        rgds,<br>
                      </div>
                      <div class="gmail_extra"><br clear="all">
                        <div>
                          <div class="m_3242238943564535639m_-1073053527446265272gmail_signature" data-smartmail="gmail_signature">
                            <div dir="ltr">
                              <div>
                                <div dir="ltr">
                                  <div>
                                    <div>Loi Dang Thanh<br>
                                    </div>
                                    Phone : +84.1224.735.448<br>
                                  </div>
                                  Email : <a href="mailto:loi.dangthanh@gmail.com" target="_blank">loi.dangthanh@gmail.com</a><br>
                                </div>
                              </div>
                            </div>
                          </div>
                        </div>
                        <br>
                        <div class="gmail_quote">On Wed, Dec 21, 2016 at
                          3:40 PM, Bipin Patel <span dir="ltr">&lt;<a href="mailto:bipin@xbipin.com" target="_blank">bipin@xbipin.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"> hi,<br>
                              <br>
                              i have been using FS in product on many
                              raspberry pi&#39;s and other machines in PBX
                              environment and everything works well
                              except im stuck with a requirement which i
                              cant seem to be able to get over.<br>
                              <br>
                              party A calls party B but party B is
                              already in call with party C, so party A
                              gets normal ringtone and party B gets call
                              waiting beeps, how do we detect in FS that
                              party B is already busy on another call
                              and generate a different ringtone for
                              party A which he hears so indirectly party
                              A knows that party B is already on another
                              call?<span class="m_3242238943564535639m_-1073053527446265272HOEnZb"><font color="#888888"><br>
                                  <br>
                                  <br>
                                  <div class="m_3242238943564535639m_-1073053527446265272m_6132622689648418768moz-signature">--
                                    <br>
                                    Regards,<br>
                                    Bipin<br>
                                    <br>
                                    <br>
                                    <hr> </div>
                                </font></span></div>
                            <br>
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                          </blockquote>
                        </div>
                        <br>
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                    <pre></pre>
                  </blockquote>
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