[OpenSIPS-Users] ms teams ACK

[Ovidiu Sas]

You don't need to mess with the Contact header (unless you are
connecting NATed endpoints with MS servers).
You need to populate proper Record-Route headers in the initial INVITE
as explained int the blog:
https://blog.opensips.org/2019/09/16/opensips-as-ms-teams-sbc/

-ovidiu

On Sat, Apr 18, 2020 at 3:26 PM volga629 via Users
<users at lists.opensips.org> wrote:
>
> Thank you for reply,
>
> I fixed Contact header in ACK, but Microsoft still unhappy call drops after 20 sec.
>
> ACK debug
>
> https://paste.centos.org/view/21b816d1
>
> volga629
>
> On 4/18/20 5:54 AM, Johan De Clercq wrote:
>
> Please find  the necessary manips in this doc.
>
> https://www.oracle.com/webfolder/technetwork/acmepacket/Microsoft/SBC-MSFTTeams-NON-MB.pdf
>
> https://blog.opensips.org/2019/09/16/opensips-as-ms-teams-sbc/
>
>
> Outlook voor iOS downloaden
> ________________________________
> Van: Users <users-bounces at lists.opensips.org> namens volga629 via Users <users at lists.opensips.org>
> Verzonden: Saturday, April 18, 2020 3:38:33 AM
> Aan: OpenSIPS users mailling list <users at lists.opensips.org>
> Onderwerp: [OpenSIPS-Users] ms teams ACK
>
>
> Hello Everyone,
>
> Is possible rewrite ACK contact header in dialog ?
>
> My guess it expecting FQDN.
>
> MS Teams disconnect the call after 20 sec
>
> REASON: Q.850;cause=18;text="bc427610-edae-47b9-9daa-7ea74d40dcc7;Call Controller timed out while waiting for acknowledgement."
>
> In this case ACK come from asterisk box.
>
> Opensips Log:
>
> /usr/sbin/opensips[3321]: [IN-DIALOG] [ACK] Contact header ~> [<sip:11988582770 at 190.109.68.250:5060>
>
> volga629
>
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