<div dir="ltr"><br><br><div class="gmail_quote"><div dir="ltr">On Tue, Jun 5, 2018 at 3:35 AM Olivier <<a href="mailto:oza.4h07@gmail.com">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><div>Possible? yes absolutely. 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><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><div>No. The diversion header shows who the diverter is.</div><div><a href="https://tools.ietf.org/html/rfc5806">https://tools.ietf.org/html/rfc5806</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>
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