_________________________________________________________________________I mean that freeswitch sends the Ack on the Bleg, before propagating to the 200 to the A leg.
I would imagine in a bypass media scenario the Ack would handle the 200 with SDP as a proxy, am I wrong about it ?
Regards,
David
From: FreeSWITCH-users <freeswitch-users-bounces@lists.freeswitch.org> On Behalf Of Brian West
Sent: Thursday, March 4, 2021 8:39 PM
To: FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org>
Subject: Re: [Freeswitch-users] Freeswitch loacally acks 200 in bypass media scenarios
What do you mean 'locally acks'?
On Thu, Mar 4, 2021 at 1:25 PM David VILLAUME <david.villaume@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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