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<div>Refer-to must be populated with c number else it can never work.</div>
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<div class="ms-outlook-ios-signature" id="ms-outlook-mobile-signature"><a href="https://aka.ms/o0ukef">Outlook voor iOS</a> downloaden</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>Van:</b> Slava Bendersky <volga629@networklab.ca><br>
<b>Verzonden:</b> Friday, May 8, 2020 10:59:31 PM<br>
<b>Aan:</b> OpenSIPS users mailling list <users@lists.opensips.org><br>
<b>CC:</b> johan <johan@democon.be><br>
<b>Onderwerp:</b> Re: [OpenSIPS-Users] MS Teams REFER transfer on hold.</font>
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<div>Hello Johan,</div>
<div>Thank you for reply and help.</div>
<div>Based on MS Teams Allow header will disable REFER and MS Teams will send invite in dialog. </div>
<div>The following code snippet on 200 OK reply is resolve the issue.</div>
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<div> $var(refer-allow) = "INVITE, ACK, CANCEL, BYE, INFO, NOTIFY, PRACK, UPDATE, OPTIONS";</div>
<div> remove_hf("Allow");</div>
<div> insert_hf("Allow: $var(refer-allow)\r\n");</div>
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<div>volga629</div>
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<div><b>From: </b>"johan" <johan@democon.be><br>
<b>To: </b>"OpenSIPS users mailling list" <users@lists.opensips.org><br>
<b>Sent: </b>Friday, May 8, 2020 9:58:56 AM<br>
<b>Subject: </b>Re: [OpenSIPS-Users] MS Teams REFER transfer on hold.<br>
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<p>try with replying that you don't support refer. <br>
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<div>On 8/05/2020 11:19, Slava Bendersky via Users wrote:<br>
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<div>Hello Everyone,</div>
<div>I am trying put tougher transfer feature with in MS Teams.</div>
<div>And based on my research and testing right now is not possible with opensips.</div>
<div>MS Teams are sending on hold in case of transfer and onhold as a=inactive.</div>
<div>Major problem they require encode/decode params in REFER-TO REFER-BY.</div>
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<div>MS Teams expect observe REFER with 202 and decode params with future action.</div>
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<div>Here official requirements doc.</div>
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<div><a href="https://docs.microsoft.com/en-us/microsoftteams/direct-routing-protocols-sip#call-transfer" target="_blank" rel="nofollow noopener noreferrer">https://docs.microsoft.com/en-us/microsoftteams/direct-routing-protocols-sip#call-transfer</a></div>
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<div>Any suggestion welcome.</div>
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<div>volga629.</div>
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<pre class="x_moz-quote-pre">_______________________________________________
Users mailing list
<a href="mailto:Users@lists.opensips.org" target="_blank" rel="nofollow noopener noreferrer">Users@lists.opensips.org</a>
<a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users" target="_blank" rel="nofollow noopener noreferrer">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a>
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_______________________________________________<br>
Users mailing list<br>
Users@lists.opensips.org<br>
http://lists.opensips.org/cgi-bin/mailman/listinfo/users<br>
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