<p><a href="http://www.dialogic.com/webhelp/img1010/10.5.1/webhelp/oli_isdn_sip.htm">http://www.dialogic.com/webhelp/img1010/10.5.1/webhelp/oli_isdn_sip.htm</a></p>
<p>Just found that URL. Should help fine tune the codes you are looking for. </p>
<div class="gmail_quote">On Aug 14, 2012 6:13 PM, "Brian Fertig" <<a href="mailto:bfertig@telstarhosted.com">bfertig@telstarhosted.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Yes that is fairly simple. Its called OLI your upstream provider would pass these digits to you. From there you can use channel variable to get the information.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">The OLI digits you are looking for are 23 and 27 I believe. </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">----</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Brian Fertig</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Director of IT</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Telstar Hosted Services</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Office: <a href="tel:877.483.5782" value="+18774835782" target="_blank">877.483.5782</a></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Direct: <a href="tel:720.505.4607" value="+17205054607" target="_blank">720.505.4607</a></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Cell: <a href="tel:434.420.5324" value="+14344205324" target="_blank">434.420.5324</a></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><img width="170" height="53" src="cid:image001.png@01CD7A41.D8FB6770" alt="Description: Description: cid:image002.png@01CBDCAF.07A013F0"></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">"Your Call Center in the Cloud"</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"></span></p>
</div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a> [mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>] <b>On Behalf Of </b>Phil Kim<br>
<b>Sent:</b> Tuesday, August 14, 2012 5:19 PM<br><b>To:</b> FreeSWITCH Users Help<br><b>Subject:</b> [Freeswitch-users] Detecting payphone</span></p></div></div><p class="MsoNormal"> </p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Hi all,</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Question might sounds odd but is there any way to detect if a call is coming from a ‘payphone’?</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">We have an IVR system which people call in to check in/out of there work. Some calls are coming from a ‘payphone’.</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">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></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Is there any flag on SIP messages?</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Thank you in advance.</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Best regards,</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif"">Phil H. Kim</span><span style></span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif"">Software Engineer</span><span style></span></p><p class="MsoNormal"><b><span style="font-size:16.0pt;font-family:"Arial","sans-serif";color:#ac0000">VALIANT </span></b><span style="font-family:"Arial","sans-serif"">Workforce Solutions</span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif""><a href="mailto:phil.kim@valiant.com" target="_blank">phil.kim@valiant.com</a></span><span style></span></p><p class="MsoNormal">
<span style="font-family:"Arial","sans-serif""><a href="http://www.valiant.com/" title="http://www.valiant.com/" target="_blank">www.valiant.com</a></span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif""><a href="tel:516-224-1908" value="+15162241908" target="_blank">516-224-1908</a></span><span style></span></p>
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