Hello, I had a similar issue with a direct 406. With sofia loglevel all 9, I could catch: nta.c:2880 agent_recv_request() nta: received INVITE sip:012345789@mydomain.tld <sip:0811744440@yoothit_1.local> SIP/2.0 (CSeq 634403) nta.c:3085 agent_recv_request() nta: INVITE (634403) going to a default leg nua_server.c:102 nua_stack_process_request() nua: nua_stack_process_request: entering nua_session.c:2320 nua_invite_server_respond() nua: nua_invite_server_respond: entering tport.c:3257 tport_tsend() tport_tsend(0x7f8d30004660) tpn = UDP/A.B.C.D:5060 tport.c:4046 tport_resolve() tport_resolve addrinfo = A.B.C.D:5060 tport.c:4680 tport_by_addrinfo() tport_by_addrinfo(0x7f8d30004660): not found by name UDP/A.B.C.D:5060 tport.c:3594 tport_vsend() tport_vsend(0x7f8d30004660): 760 bytes of 760 to udp/A.B.C.D:5060 tport.c:3492 tport_send_msg() tport_vsend returned 760 nta.c:6791 incoming_reply() nta: sent 406 Not Acceptable for INVITE (634403) tport.c:2749 tport_wakeup_pri() tport_wakeup_pri(0x7f8d30004660): events IN tport.c:2864 tport_recv_event() tport_recv_event(0x7f8d30004660) tport.c:3205 tport_recv_iovec() tport_recv_iovec(0x7f8d30004660) msg 0x7f8d3006a150 from (udp/A.B.C.D:5060) has 451 bytes, veclen = 1 tport.c:3023 tport_deliver() tport_deliver(0x7f8d30004660): msg 0x7f8d3006a150 (451 bytes) from udp/A.B.C.D:5060/sip next=(nil) nta.c:2880 agent_recv_request() nta: received ACK sip:0123456789@mydomain.tld <sip:0811744440@yoothit_1.local> SIP/2.0 (CSeq 634403) nta.c:3019 agent_recv_request() nta: ACK (634403) is going to INVITE (634403) That doesn't relevant for me. Does it for you? Regards, Igor. De : FreeSWITCH-users <freeswitch-users-bounces@lists.freeswitch.org> De la part de Dragos Oancea Envoyé : jeudi 24 juin 2021 14:25 À : FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org> Objet : Re: [Freeswitch-users] Call drop with 406 after being answered note that reply "406 Not Acceptable" is not the same as "488 Not Acceptable Here". Try a "sofia loglevel all 9" to get more information. On Thu, Jun 17, 2021 at 2:07 PM David Villasmil <david.villasmil.work@gmail.com <mailto:david.villasmil.work@gmail.com> > wrote: Try forcing it to your supported codec On Thu, 17 Jun 2021 at 09:10, Igor Potjevlesh <igor.potjevlesch@gmail.com <mailto:igor.potjevlesch@gmail.com> > wrote: Hi David, On the top of the list yes. I just see that g729 is added and his not supported. But there is at least 1 codec supported. Regards, Igor. De : FreeSWITCH-users <freeswitch-users-bounces@lists.freeswitch.org <mailto:freeswitch-users-bounces@lists.freeswitch.org> > De la part de David Villasmil Envoyé : vendredi 11 juin 2021 23:30 À : FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org <mailto:freeswitch-users@lists.freeswitch.org> > Objet : Re: [Freeswitch-users] Call drop with 406 after being answered I hadn't registered this: Freeswitch receive on his leg B this in-dialog INVITE. is the codec coming from that re-invite acceptable by fs? " 406 Not Acceptable" usually means FS doesn't support the offered codec. Regards, David Villasmil email: david.villasmil.work@gmail.com <mailto:david.villasmil.work@gmail.com> phone: +34669448337 On Fri, Jun 11, 2021 at 5:43 PM Igor Potjevlesh <igor.potjevlesch@gmail.com <mailto:igor.potjevlesch@gmail.com> > wrote: Hi David, I got a SIP trace. Do you think of another kind of trace? Something in addition of log level debug? Regards, Igor. De : FreeSWITCH-users <freeswitch-users-bounces@lists.freeswitch.org <mailto:freeswitch-users-bounces@lists.freeswitch.org> > De la part de David Villasmil Envoyé : vendredi 11 juin 2021 12:45 À : FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org <mailto:freeswitch-users@lists.freeswitch.org> > Objet : Re: [Freeswitch-users] Call drop with 406 after being answered Try getting a trace for the call. On Fri, 11 Jun 2021 at 10:12, Igor Potjevlesh <igor.potjevlesch@gmail.com <mailto:igor.potjevlesch@gmail.com> > wrote: Hello! I'm facing a problem with a call scenario with an in-dialog INVITE just after the call has been picked up. Freeswitch receive on his leg B this in-dialog INVITE. Not forwarded to leg A. In a SIP trace, I can see 406 Not Acceptable on leg B whereas there is no difference in the Media except "Bandwidth Information" which is "AS:80" versus "AS:82" in the RE-INVITE. I turn on the logs on debug, but nothing specific appears. The first thing: 3f6d8dd1-5415-4a58-a948-551d841cf5dd 2021-06-11 10:34:12.873542 [NOTICE] sofia.c:1012 Hangup sofia/internal/ABC [CS_EXCHANGE_MEDIA] [NORMAL_CLEARING] 3f6d8dd1-5415-4a58-a948-551d841cf5dd 2021-06-11 10:34:12.873542 [DEBUG] switch_ivr_bridge.c:787 BRIDGE THREAD DONE [sofia/internal/ABC] 3f6d8dd1-5415-4a58-a948-551d841cf5dd 2021-06-11 10:34:12.873542 [DEBUG] switch_core_state_machine.c:653 (sofia/internal/ ABC) State EXCHANGE_MEDIA going to sleep […] 5f1866f7-f6c6-43c9-83bb-07cbb51cc3a5 2021-06-11 10:34:12.893545 [DEBUG] switch_core_session.c:2815 sofia/lega/+FROM@W.X.Y.Z <mailto:sofia/lega/+FROM@W.X.Y.Z> . skip receive message [APPLICATION_EXEC_COMPLETE] (channel is hungup already) Is there any reason for this? SDP is not duplicated, but there is no specific reason for replying with 406. Regards, Igor. _____ <https://www.avast.com/antivirus> L'absence de virus dans ce courrier électronique a été vérifiée par le logiciel antivirus Avast. www.avast.com <https://www.avast.com/antivirus> _________________________________________________________________________ The FreeSWITCH project is sponsored by SignalWire https://signalwire.com Enhance your FreeSWITCH install with disruptive priced SMS and PSTN services. Build your next product on our scalable cloud platform. Join our online community to chat in real time https://signalwire.community Professional FreeSWITCH Services sales@freeswitch.com <mailto:sales@freeswitch.com> https://freeswitch.com Official FreeSWITCH Sites https://freeswitch.com/oss https://freeswitch.org/confluence https://cluecon.com FreeSWITCH-users mailing list FreeSWITCH-users@lists.freeswitch.org <mailto:FreeSWITCH-users@lists.freeswitch.org> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users https://freeswitch.com -- Regards, David Villasmil email: david.villasmil.work@gmail.com <mailto:david.villasmil.work@gmail.com> phone: +34669448337 _________________________________________________________________________ The FreeSWITCH project is sponsored by SignalWire https://signalwire.com Enhance your FreeSWITCH install with disruptive priced SMS and PSTN services. Build your next product on our scalable cloud platform. Join our online community to chat in real time https://signalwire.community Professional FreeSWITCH Services sales@freeswitch.com <mailto:sales@freeswitch.com> https://freeswitch.com Official FreeSWITCH Sites https://freeswitch.com/oss https://freeswitch.org/confluence https://cluecon.com FreeSWITCH-users mailing list FreeSWITCH-users@lists.freeswitch.org <mailto:FreeSWITCH-users@lists.freeswitch.org> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users https://freeswitch.com _________________________________________________________________________ The FreeSWITCH project is sponsored by SignalWire https://signalwire.com Enhance your FreeSWITCH install with disruptive priced SMS and PSTN services. Build your next product on our scalable cloud platform. Join our online community to chat in real time https://signalwire.community Professional FreeSWITCH Services sales@freeswitch.com <mailto:sales@freeswitch.com> https://freeswitch.com Official FreeSWITCH Sites https://freeswitch.com/oss https://freeswitch.org/confluence https://cluecon.com FreeSWITCH-users mailing list FreeSWITCH-users@lists.freeswitch.org <mailto:FreeSWITCH-users@lists.freeswitch.org> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users https://freeswitch.com -- Regards, David Villasmil email: david.villasmil.work@gmail.com <mailto:david.villasmil.work@gmail.com> phone: +34669448337 _________________________________________________________________________ The FreeSWITCH project is sponsored by SignalWire https://signalwire.com Enhance your FreeSWITCH install with disruptive priced SMS and PSTN services. Build your next product on our scalable cloud platform. Join our online community to chat in real time https://signalwire.community Professional FreeSWITCH Services sales@freeswitch.com <mailto:sales@freeswitch.com> https://freeswitch.com Official FreeSWITCH Sites https://freeswitch.com/oss https://freeswitch.org/confluence https://cluecon.com FreeSWITCH-users mailing list FreeSWITCH-users@lists.freeswitch.org <mailto:FreeSWITCH-users@lists.freeswitch.org> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users https://freeswitch.com -- L'absence de virus dans ce courrier électronique a été vérifiée par le logiciel antivirus Avast. https://www.avast.com/antivirus