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    In mod_callcenter you can do it, option "abandoned-resume-allowed"<br>
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    Check:<br>
<a class="moz-txt-link-freetext" href="https://freeswitch.org/confluence/display/FREESWITCH/mod_callcenter#mod_callcenter-abandoned-resume-allowed">https://freeswitch.org/confluence/display/FREESWITCH/mod_callcenter#mod_callcenter-abandoned-resume-allowed</a><br>
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    <div class="moz-cite-prefix">On 01/16/2018 12:45 AM, Abaci B wrote:<br>
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cite="mid:CAFmZFiMB0SXSSFdn4A2P8+JLyGGt_9rCs_1Q_he=wrTVhtBtcw@mail.gmail.com">
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          <div>Hi all,<br>
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          I was wondering if anyone would know a way to implement the
          option for a caller waiting in a queue to be able to hang up
          while waiting and not loose their position in the queue and
          get a call from the system when they are next in line to speak
          to an agent.<br>
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        Thanks<br>
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    <pre class="moz-signature" cols="72">-- 
Saludos / Regards / Cumprimentos
António Silva</pre>
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