Refer-to must be populated with c number else it can never work.
Outlook voor iOS<https://aka.ms/o0ukef> downloaden
________________________________
Van: Slava Bendersky <[email protected]>
Verzonden: Friday, May 8, 2020 10:59:31 PM
Aan: OpenSIPS users mailling list <[email protected]>
CC: johan <[email protected]>
Onderwerp: Re: [OpenSIPS-Users] MS Teams REFER transfer on hold.
Hello Johan,
Thank you for reply and help.
Based on MS Teams Allow header will disable REFER and MS Teams will send
invite in dialog.
The following code snippet on 200 OK reply is resolve the issue.
$var(refer-allow) = "INVITE, ACK, CANCEL, BYE, INFO,
NOTIFY, PRACK, UPDATE, OPTIONS";
remove_hf("Allow");
insert_hf("Allow: $var(refer-allow)\r\n");
volga629
________________________________
From: "johan" <[email protected]>
To: "OpenSIPS users mailling list" <[email protected]>
Sent: Friday, May 8, 2020 9:58:56 AM
Subject: Re: [OpenSIPS-Users] MS Teams REFER transfer on hold.
try with replying that you don't support refer.
On 8/05/2020 11:19, Slava Bendersky via Users wrote:
Hello Everyone,
I am trying put tougher transfer feature with in MS Teams.
And based on my research and testing right now is not possible with opensips.
MS Teams are sending on hold in case of transfer and onhold as a=inactive.
Major problem they require encode/decode params in REFER-TO REFER-BY.
MS Teams expect observe REFER with 202 and decode params with future action.
Here official requirements doc.
https://docs.microsoft.com/en-us/microsoftteams/direct-routing-protocols-sip#call-transfer
Any suggestion welcome.
volga629.
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