[Freeswitch-users] Freeswitch loacally acks 200 in bypass media scenarios

[Brian West]

What do you mean 'locally acks'?

On Thu, Mar 4, 2021 at 1:25 PM David VILLAUME <david.villaume at sewan.fr>
wrote:

> Hello,
>
>
>
> In bypass-media mode freeswitch locally acks the 200 ok (SDP), that leads
> to some Race condition when the party that answered the 200 sends a quick
> reinvite after Just after the Ack.
>
>
>
> I tried on 1.10.1 and 1.10.5, with and without late-negociation, but
> couldn’t figure how to avoid this.
>
>
>
> Has one of you experienced it or have any idea about this ?
>
>
>
>
>
>           SBC                FREESWITCH                PBX
>
> +---------          ----------+---------          ----------+
>
> |        INVITE (SDP)         |                             |
>
> | --------------------------> |                             |
>
> |         100 Trying          |                             |
>
> | <-------------------------- |                             |
>
> |                             |        INVITE (SDP)         |
>
> |                             | --------------------------> |
>
> |                             |         100 Trying          |
>
> |                             | <-------------------------- |
>
> |                             |         180 Ringing         |
>
> |                             | <-------------------------- |
>
> |         180 Ringing         |                             |
>
> | <-------------------------- |                             |
>
> |                             |        200 OK (SDP)         |
>
> |                             | <-------------------------- |
>
> |                             |             ACK             |
>
> |                             | --------------------------> |
>
> |        200 OK (SDP)         |                             |
>
> | <-------------------------- |                             |
>
> |                             |        INVITE (SDP)         |
>
> |                             | <-------------------------- |
>
> |                             |             100             |
>
> |                             | --------------------------> |
>
> |        INVITE (SDP)         |                             |
>
> | <-------------------------- |                             |
>
> |             100             |                             |
>
> | --------------------------> |                             |
>
> |             491             |                             |
>
> | --------------------------> |                             |
>
> |                             |             491             |
>
> |                             | --------------------------> |
>
>
>
> Regards,
>
> David
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