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 <[email protected]> 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 <[email protected]> namens volga629 via Users > <[email protected]> > Verzonden: Saturday, April 18, 2020 3:38:33 AM > Aan: OpenSIPS users mailling list <[email protected]> > 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:[email protected]:5060> > > volga629 > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opensips.org/cgi-bin/mailman/listinfo/users -- VoIP Embedded, Inc. http://www.voipembedded.com _______________________________________________ Users mailing list [email protected] http://lists.opensips.org/cgi-bin/mailman/listinfo/users
