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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I was running an older version of FreeSWITCH (1.5.15) but I've just retried with 1.6.14 and I still get the same behaviour. I am running
on Windows in case that makes any difference. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Here is my dialplan. This server is part of a test environment and what I am trying to achieve is to have a variable call duration:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><?xml version="1.0" encoding="utf-8"?><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><include><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <extension name="persistent_agent_leg"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt;text-indent:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><condition field="destination_number" expression="^([78]\d{3})$">
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:72.0pt;text-indent:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><action application="set" data="send_silence_when_idle=400"/><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:72.0pt;text-indent:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><action application="pre_answer"/><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <action application="answer"/>
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <action application="park"/><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </condition>
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </extension><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <extension name="call_duration" continue="true"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <condition field="destination_number" expression="^call_duration$" break="never"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <action application="set" data="call_length=${expr(randomize(&x);ceil(random(29999,45000,&x)))}"
inline="true"/><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </condition><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </extension><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <extension name="transfer_request"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <condition field="destination_number" expression="^([45]\d{3})$"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <action application="pre_answer"/>
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <action application="answer"/><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <action application="execute_extension" data="call_duration XML default"/><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <action application="log" data="INFO Call from ${caller_id_number} to ${destination_number}
will last for ${call_length}ms"/><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <action application="sleep" data="${call_length}"/><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> <action application="hangup" data="NORMAL_CLEARING"/><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </condition>
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </extension>
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"></include><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-top:6.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#5B9BD5"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org]
<b>On Behalf Of </b>KSrigo<br>
<b>Sent:</b> 24 January 2017 10:37<br>
<b>To:</b> FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org><br>
<b>Subject:</b> Re: [Freeswitch-users] Random number generation<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Yes “from-core" was my context for the test. You have to update according your config. Could you tell me your freeswitch version?<o:p></o:p></p>
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<p class="MsoNormal">Mine is: FreeSWITCH Version 1.6.8-15-99de0ad~64bit. The config I gave you works fine on it.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Could you post your dialplan ?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Here is the whole dial plan I used for the test:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><include><o:p></o:p></p>
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<p class="MsoNormal"> <context name="from-core"><o:p></o:p></p>
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<p class="MsoNormal"> <extension name="random_number_gen" continue="true"><o:p></o:p></p>
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<p class="MsoNormal"> <condition field="destination_number" expression="^random_number_gen$" break="never"><o:p></o:p></p>
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<p class="MsoNormal"> <!-- generate random number between 1 and 100 --><o:p></o:p></p>
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<p class="MsoNormal"> <action application="set" data="rand_val=${expr(randomize(&x);ceil(random(0,100,&x)))}" inline="true"/><o:p></o:p></p>
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<p class="MsoNormal"> <action application="log" data="INFO Random value is ${rand_val}"/><o:p></o:p></p>
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<p class="MsoNormal"> </condition><o:p></o:p></p>
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<p class="MsoNormal"> </extension><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> <extension name="Local_Extension"><o:p></o:p></p>
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<p class="MsoNormal"> <condition field="destination_number" expression="^\*(85)$"><o:p></o:p></p>
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<p class="MsoNormal"> <!--test 1--><o:p></o:p></p>
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<p class="MsoNormal"> <action application="execute_extension" data="random_number_gen XML from-core"/><o:p></o:p></p>
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<p class="MsoNormal"> <!--test 2--><o:p></o:p></p>
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<p class="MsoNormal"> <action application="execute_extension" data="random_number_gen XML from-core"/><o:p></o:p></p>
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<p class="MsoNormal"> <action application="hangup"/><o:p></o:p></p>
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<p class="MsoNormal"> </condition><o:p></o:p></p>
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<p class="MsoNormal"> </extension><o:p></o:p></p>
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<p class="MsoNormal"> </context><o:p></o:p></p>
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<p class="MsoNormal"><include><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Regards,<o:p></o:p></p>
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<p class="MsoNormal">Srigo<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
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<p class="MsoNormal">On Jan 24, 2017, at 10:52 AM, Chris Young <<a href="mailto:Chris.Young@enghouse.com">Chris.Young@enghouse.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi Srigo,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks for your help. Unfortunately, I still see the same value getting generated each time the extension gets executed e.g.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> 51a7a226-27e6-4fe3-979b-0b0bb28253d9 2017-01-24 09:49:21.504783 [INFO] mod_dptools.c:1628 Random value is 1</span><o:p></o:p></p>
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<p class="MsoNormal" style="text-indent:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">70aae2dc-cee6-4a3c-805f-5655abd7e6e6 2017-01-24 09:49:21.965642 [INFO] mod_dptools.c:1628 Random value is 1</span><o:p></o:p></p>
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<p class="MsoNormal" style="text-indent:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">92e81c00-0ff0-4ddc-819f-019c145f39be 2017-01-24 09:49:22.444287 [INFO] mod_dptools.c:1628 Random value is 1</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I take it that from-core is some context you've defined in your environment rather than anything special, as it didn't work when I used that (so I changed it
to 'default')?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Regards,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Chris</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span class="apple-converted-space"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@lists.freeswitch.org</a>
[<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">mailto:freeswitch-users-bounces@lists.freeswitch.org</a>]<span class="apple-converted-space"> </span><b>On Behalf Of<span class="apple-converted-space"> </span></b>KSrigo<br>
<b>Sent:</b><span class="apple-converted-space"> </span>24 January 2017 09:14<br>
<b>To:</b><span class="apple-converted-space"> </span>FreeSWITCH Users Help <<a href="mailto:freeswitch-users@lists.freeswitch.org">freeswitch-users@lists.freeswitch.org</a>><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [Freeswitch-users] Random number generation</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Hi Chris,<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">I’m not sure if I understood exactly your needs. This is how I use randomize function:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Define Random Number Generator extension:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><extension name="random_number_gen" continue="true"><o:p></o:p></p>
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<p class="MsoNormal"> <condition field="destination_number" expression="^random_number_gen$" break="never"><o:p></o:p></p>
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<p class="MsoNormal"> <!-- generate random number between 1 and 100 --><o:p></o:p></p>
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<p class="MsoNormal"> <action application="set" data="rand_val=${expr(randomize(&x);ceil(random(0,100,&x)))}" inline="true"/><o:p></o:p></p>
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<p class="MsoNormal"> <action application="log" data="INFO Random value is ${rand_val}"/><o:p></o:p></p>
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<p class="MsoNormal"> </condition><o:p></o:p></p>
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<p class="MsoNormal"></extension><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">then call it in your diaplan each time you need to get a random number set:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><action application="execute_extension" data="random_number_gen XML from-core"/><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Regards,<o:p></o:p></p>
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<p class="MsoNormal">Srigo<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
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<p class="MsoNormal">On Jan 24, 2017, at 9:51 AM, Chris Young <<a href="mailto:Chris.Young@enghouse.com"><span style="color:purple">Chris.Young@enghouse.com</span></a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Hello all,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">On the wiki, there is an example of using mod_expr to generate a random number:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <!-- generate random number between 1 and 100 --></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <action application="set" data="rand_val=${expr(randomize(&x);ceil(random(0,100,&x)))}"/></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <action application="log" data="INFO Random value is ${rand_val}"/></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">This works well the first time but if the same dialplan instructions are executed subsequently, the same number is produced each time.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Is this by design? Is there any other way to seed the random number generator so it will produce different results, as randomize() doesn't seem to be doing quite what I thought
it would?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Many thanks,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Chris</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Calibri",sans-serif;color:#00559A">Chris Young</span><span class="apple-converted-space"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><br>
<span style="color:dodgerblue">Software Engineer</span><span style="color:#00A0DC"><br>
<image001.png><br>
</span><span style="color:#00559A">t:</span> <span style="color:dodgerblue">+44 118 943 9249</span><span style="color:#00559A"><br>
e:</span> <span class="apple-converted-space"> </span><span style="color:dodgerblue"><a href="mailto:chris.young@enghouse.com"><span style="color:#0563C1">chris.young@enghouse.com</span></a></span><span style="color:#00559A"><br>
w:</span><span class="apple-converted-space"> </span><span style="color:dodgerblue"><a href="http://www.enghouseinteractive.co.uk/" title="Enghouse Interactive"><span style="color:dodgerblue">www.enghouseinteractive.co.uk</span></a></span><span style="color:#00B0F0"><br>
<image002.png></span></span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-top:6.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#A6A6A6">Enghouse Interactive (UK) Ltd is a company registered in England and Wales. Registered number: 04230977. Registered office: Imperium,
Imperial Way, Reading, Berkshire, RG2 0TD</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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