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<body class='hmmessage'><div dir='ltr'>Hi Phil,<BR> <BR>We run the same sort of service as you, and have faced the same issue.<BR> <BR>In some countries they provide you with a list of all payphones, not sure whether the US does, but we found that to be the easiest way to record the surcharge.<BR> <BR>Bob<br> <BR><div><div id="SkyDrivePlaceholder"></div><hr id="stopSpelling">Date: Tue, 14 Aug 2012 17:19:02 -0400<br>From: phil.kim@valiant.com<br>To: freeswitch-users@lists.freeswitch.org<br>Subject: [Freeswitch-users] Detecting payphone<br><br>
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<p class="ecxMsoNormal"><font size="2" face="Arial"><span style="font-family: Arial; font-size: 10pt;">Hi all,</span></font></p>
<p class="ecxMsoNormal"><font size="2" face="Arial"><span style="font-family: Arial; font-size: 10pt;"> </span></font></p>
<p class="ecxMsoNormal"><font size="2" face="Arial"><span style="font-family: Arial; font-size: 10pt;">Question might sounds odd but is there any way to detect if
a call is coming from a ‘payphone’?</span></font></p>
<p class="ecxMsoNormal"><font size="2" face="Arial"><span style="font-family: Arial; font-size: 10pt;"> </span></font></p>
<p class="ecxMsoNormal"><font size="2" face="Arial"><span style="font-family: Arial; font-size: 10pt;">We have an IVR system which people call in to check in/out
of there work. Some calls are coming from a ‘payphone’.</span></font></p>
<p class="ecxMsoNormal"><font size="2" face="Arial"><span style="font-family: Arial; font-size: 10pt;"> </span></font></p>
<p class="ecxMsoNormal"><font size="2" face="Arial"><span style="font-family: Arial; font-size: 10pt;">Problem is our carrier is charging us a huge ‘surcharge’
on those calls maid from ‘payphone’. We would like to block those
calls but not sure how to detect them.</span></font></p>
<p class="ecxMsoNormal"><font size="2" face="Arial"><span style="font-family: Arial; font-size: 10pt;"> </span></font></p>
<p class="ecxMsoNormal"><font size="2" face="Arial"><span style="font-family: Arial; font-size: 10pt;">Is there any flag on SIP messages?</span></font></p>
<p class="ecxMsoNormal"><font size="2" face="Arial"><span style="font-family: Arial; font-size: 10pt;"> </span></font></p>
<p class="ecxMsoNormal"><font size="2" face="Arial"><span style="font-family: Arial; font-size: 10pt;">Thank you in advance.</span></font></p>
<p class="ecxMsoNormal"><font color="black" size="2" face="Arial"><span style="color: black; font-family: Arial; font-size: 10pt;"> </span></font></p>
<p class="ecxMsoNormal"><font color="black" size="2" face="Arial"><span style="color: black; font-family: Arial; font-size: 10pt;">Best regards,</span></font></p>
<p class="ecxMsoNormal"><font color="black" size="2" face="Arial"><span style="color: black; font-family: Arial; font-size: 10pt;"> </span></font></p>
<p class="ecxMsoNormal"><font color="black" size="3" face="Arial"><span style="color: black; font-family: Arial; font-size: 12pt;">Phil H. Kim</span></font><font color="black"><span style="color: black;"></span></font></p>
<p class="ecxMsoNormal"><font color="black" size="3" face="Arial"><span style="color: black; font-family: Arial; font-size: 12pt;">Software Engineer</span></font><font color="black"><span style="color: black;"></span></font></p>
<p class="ecxMsoNormal"><b><font color="#ac0000" size="5" face="Arial"><span style="color: rgb(172, 0, 0); font-family: Arial; font-size: 16pt; font-weight: bold;">VALIANT
</span></font></b><font color="black" face="Arial"><span style="color: black; font-family: Arial;">Workforce Solutions</span></font></p>
<p class="ecxMsoNormal"><font color="black" size="3" face="Arial"><span style="color: black; font-family: Arial; font-size: 12pt;"><a href="mailto:phil.kim@valiant.com">phil.kim@valiant.com</a></span></font><font color="black"><span style="color: black;"></span></font></p>
<p class="ecxMsoNormal"><font color="black" size="3" face="Arial"><span style="color: black; font-family: Arial; font-size: 12pt;"><a title="http://www.valiant.com/" href="http://www.valiant.com/" target="_blank"><span title="http://www.valiant.com/">www.valiant.com</span></a></span></font></p>
<p class="ecxMsoNormal"><font color="black" size="3" face="Arial"><span style="color: black; font-family: Arial; font-size: 12pt;">516-224-1908</span></font><font color="black"><span style="color: black;"></span></font></p>
<p class="ecxMsoNormal"><font size="3" face="Times New Roman"><span style="font-size: 12pt;"> </span></font></p>
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