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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Well the SIP modification can certainly be done but I tell ya it is a royal pain in the buttockskis.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">There is possibly a lower-complexity fix, not to the TECHNICAL issue but for the BUSINESS requirement.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Typically when customers have this issue, and I ask them WHY they truly need to send out that “main number” from another circuit (or even another carrier) as
the caller id the answer is something like this:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">“When we call somebody, and they decide to call us back at the number they see on their caller id (or with *67) we want the calls to go to our main number and
NOT to the individual DID of the person who originally made the outbound call.”<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">One lower-complexity solution to this business requirement would be to designate one of the “allowed” numbers on the SIP service for use as the caller id, and
simply call-forward-always that number back to your main number that resides on the PRI. If you want to avoid hairpinning issues, you can simply ask XO to do the forwarding in their Broadwords server so it never hits your system.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Another solution would be to again designate one of the “allowed” numbers on the SIP service for use as the caller id, and ask XO to set up “Configurable Calling
Line ID” feature on that number. As I recall, that is a standard offer on the XO retail SIP trunks product. With this feature, the outbound call is SCREENED for access based on, for example, the “allowed” SIP number of the originating number sent from the
ipPBX, but when that number hits the XO Broadworks server, the caller id can be configured to be automatically changed to ANY number that you own (you may need to prove that you own it) before it is forwarded back out to the greater PSTN.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Sam H<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<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"> cisco-voip [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Charles Goldsmith<br>
<b>Sent:</b> Friday, January 16, 2015 11:27 AM<br>
<b>To:</b> Mike<br>
<b>Cc:</b> voip puck<br>
<b>Subject:</b> Re: [cisco-voip] SIP Caller ID issue<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">We see this a lot with carriers, it prevents scammers from changing caller-id info. Some carriers will make an exception for things like main numbers, just have to prove you own that number, which isn't hard.<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've never went through the excercise of modifying the SIP header to resolve this.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Fri, Jan 16, 2015 at 10:09 AM, Mike <<a href="mailto:mikeeo@msn.com" target="_blank">mikeeo@msn.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi all , I have a situation where the carrier (XO) is not allowing the call manager to send caller ID if it’s not a number assigned to the trunk. In this situation the main number
is not on the sip trunk its on a PRI. The XO tech said you can get around this by modify the SIP header in the from field. Anyone ever ran into this?<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Thanks,<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Mike<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
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