<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">2018-06-05 15:27 GMT+02:00 George Joseph <span dir="ltr"><<a href="mailto:gjoseph@digium.com" target="_blank">gjoseph@digium.com</a>></span>:<br></div><div class="gmail_quote">Thank  you very much, George for replying.<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><br><br><div class="gmail_quote"><span><div dir="ltr">On Tue, Jun 5, 2018 at 3:35 AM Olivier <<a href="mailto:oza.4h07@gmail.com" target="_blank">oza.4h07@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi,<div><br></div><div>After a long discussion with a friend, I would like to ask here:</div><div><br></div><div>1.According SIP RFCs, is possible/recommended to have different values in From and P-Asserted-Id fields ?<br></div><div>For instance, From field showing 123456789 and P-Asserted-Id showing 987654321 (beside privacy considerations) ?</div></div></blockquote><div><br></div></span><div>Possible? yes absolutely. </div></div></div></blockquote><div><br></div><div>How would you then configure both headers, respectively ?<br><br></div><div>From memory, in previous testings, whenever  CALLERID was set to WHATEVER, P-Asserted-Id was also set to WHATEVER and vice versa, so that I inferred from this that  P-Asserted-Id was <span class="gmail-">meant for Privacy considerations and nothing else (see [1])<br><br><br>[1] <a href="https://www.voip-info.org/p-asserted-identity-and-remote-party-id-header/">https://www.voip-info.org/p-asserted-identity-and-remote-party-id-header/</a><br></span></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div> Recommended? who knows?  Implementations are all over the place.  I've always thought of the From header as identifying the user agent making the request which kinda agrees with RFC3261.  Â The PAI header should contain the identity of the original caller.</div><span><div> <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><br></div><div>2. When Bob forwards to Cory a call coming from Alice, would expect Diversion/History-Info header to include Alice's number ?</div></div></blockquote><div><br></div></span><div>No.  The diversion header shows who the diverter is.</div><div><a href="https://tools.ietf.org/html/rfc5806" target="_blank">https://tools.ietf.org/html/rf<wbr>c5806</a><br></div><div><br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><br></div><div>Best regards</div></div><span class="gmail-m_5590322768619603512HOEnZb"><font color="#888888">
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