mod_callcenter: You can now allow caller that have hangup before agent answer to…

mod_callcenter: You can now allow caller that have hangup before agent answer to call back and resume their previous position.

conf/autoload_configs/callcenter.conf.xml

@@ -14,6 +14,8 @@
       <param name="tier-rule-wait-second" value="300"/>
       <param name="tier-rule-wait-multiply-level" value="true"/>
       <param name="tier-rule-no-agent-no-wait" value="false"/>
+      <param name="discard-abandoned-after" value="60"/>
+      <param name="abandoned-resume-allowed" value="false"/>
     </queue>
 
   </queues>