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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Callcentric has a special header for this.<o:p></o:p></span></a></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>header called "Related-Call-ID" that makes it possible for the service provider to check if the Caller-ID is a valid redirection or the caller tries to spoof a caller-ID. AFAIK CallCentric supports this header. A quick try will show this.<o:p></o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span 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>Ken Rice<br><b>Sent:</b> Friday, July 12, 2013 4:30 PM<br><b>To:</b> FreeSWITCH Users Help<br><b>Cc:</b> FreeSWITCH Users Help<br><b>Subject:</b> spam>spam>Re: [Freeswitch-users] Call redirect<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Some places actually require clid to be allowed from the customer. Clid spoofing is a problem yes but its not that big of one. Not to mention billing customers based on that is a problem its still easy to spoof. Its like billing on.customer inserted tech prefixes which is ripe for abuse.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>The real fix is to start linking back to billing info (btn) like is/was done on tdm networks and you can still properly track things<br><br>Sent from my iPhone<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>On Jul 12, 2013, at 2:11 PM, Steven Ayre <<a href="mailto:steveayre@gmail.com">steveayre@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>It's all about Caller ID spoofing. If you are allowed to send anything you could abuse that, and since there are plenty of services that use Caller ID from the PSTN for authentication that could be a problem.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Wholesale carriers might allow it between themselves (trusted), but it would be undesirable to allow it for end-users.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If you actually own the number (such as with DIDs) then that's a slightly more specific case. If you could prove ownership to Y & Z and they had a configurable whitelist then they might be able to add them to the list since they can then trust you for those numbers, but they couldn't do that for any random number you might send.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Proving ownership (and that you still own it) wouldn't be a very simple task to handle securely though?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>-Steve<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On 12 July 2013 14:41, Ken Rice <<a href="mailto:krice@freeswitch.org" target="_blank">krice@freeswitch.org</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>I tend to disagree with that comment about a decent operator... I find the opposite to be true... If you have DIDs from say Carrier X, and you want your calls to be able to go out Carriers Y & Z and you don’t have any DIDs with carrier Y & Z how are you supposed to terminate with them... Even better you have a few DIDs with all of them, you should be able to send CLID for any of your DIDs out any of your carriers... <o:p></o:p></span></p><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Courier New"'><br><br>On 7/12/13 12:46 AM, "Yehavi Bourvine" <<a href="http://yehavi.bourvine@gmail.com" target="_blank">yehavi.bourvine@gmail.com</a>> wrote:<o:p></o:p></span></p></div></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>I have a similar problem. I set the callerID to the user's extension, so he knows this is a forwarded call. <br><br>A decent operator won't accept a callerID not fron your range. I guess you understand why.<br><br> Yehaci.<br><br>בתאריך 12 ביול 2013 07:47, מאת "Shishko" <<a href="http://shishko69@gmail.com" target="_blank">shishko69@gmail.com</a>>:</span><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Courier New"'>Hi,<br><br>when a user redirects its phone to mobile number, ITSP rejects call because caller id is not in our range of numbers. If I change CID to one of our numbers, call is accepted, but users would like to see original CID .<br>Is there a way I could deflect a call to ITSP so user could see original caller id?<br><br>Thanks,<br><br>Denis<br><br>_________________________________________________________________________<br>Professional FreeSWITCH Consulting Services:<br><a href="http://consulting@freeswitch.org" target="_blank">consulting@freeswitch.org</a><br><a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br><br>FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br><a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br><br>Official FreeSWITCH Sites<br><a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br><a href="http://wiki.freeswitch.org" target="_blank">http://wiki.freeswitch.org</a><br><a href="http://www.cluecon.com" target="_blank">http://www.cluecon.com</a><br><br>FreeSWITCH-users mailing list<br><a href="http://FreeSWITCH-users@lists.freeswitch.org" target="_blank">FreeSWITCH-users@lists.freeswitch.org</a><br><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br><a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a></span><o:p></o:p></p></blockquote></div></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><div class=MsoNormal align=center style='text-align:center'><span style='font-size:11.0pt;font-family:"Courier New"'><hr size=3 width="95%" align=center></span></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas'>_________________________________________________________________________<br>Professional FreeSWITCH Consulting Services:<br><a href="http://consulting@freeswitch.org" target="_blank">consulting@freeswitch.org</a><br><a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br><br>FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br><a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br><br>Official FreeSWITCH Sites<br><a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br><a href="http://wiki.freeswitch.org" target="_blank">http://wiki.freeswitch.org</a><br><a href="http://www.cluecon.com" target="_blank">http://www.cluecon.com</a><br><br>FreeSWITCH-users mailing list<br><a href="http://FreeSWITCH-users@lists.freeswitch.org" target="_blank">FreeSWITCH-users@lists.freeswitch.org</a><br><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br><a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a></span><o:p></o:p></p></div></blockquote><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>-- <br>Ken<br><u><span style='color:blue'><a href="http://www.FreeSWITCH.org" target="_blank">http://www.FreeSWITCH.org</a><br><a href="http://www.ClueCon.com" target="_blank">http://www.ClueCon.com</a><br><a href="http://www.OSTAG.org" target="_blank">http://www.OSTAG.org</a><br></span></u><a href="http://irc.freenode.net" target="_blank">irc.freenode.net</a> #freeswitch</span><o:p></o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_________________________________________________________________________<br>Professional FreeSWITCH Consulting Services:<br><a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br><a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br><br>FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br><a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br><br>Official FreeSWITCH Sites<br><a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br><a href="http://wiki.freeswitch.org" target="_blank">http://wiki.freeswitch.org</a><br><a href="http://www.cluecon.com" target="_blank">http://www.cluecon.com</a><br><br>FreeSWITCH-users mailing list<br><a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br><a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>_________________________________________________________________________<br>Professional FreeSWITCH Consulting Services:<br><a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br><a href="http://www.freeswitchsolutions.com">http://www.freeswitchsolutions.com</a><br><br>FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br><a href="http://www.cudatel.com">http://www.cudatel.com</a><br><br>Official FreeSWITCH Sites<br><a href="http://www.freeswitch.org">http://www.freeswitch.org</a><br><a href="http://wiki.freeswitch.org">http://wiki.freeswitch.org</a><br><a href="http://www.cluecon.com">http://www.cluecon.com</a><br><br>FreeSWITCH-users mailing list<br><a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>UNSUBSCRIBE:http://<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users">lists.freeswitch.org/mailman/options/freeswitch-users</a><br><a href="http://www.freeswitch.org">http://www.freeswitch.org</a><o:p></o:p></p></div></blockquote></div></body></html>