<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.  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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