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

[Brian West]

That's because we're not a proxy.

On Fri, Mar 5, 2021 at 1:26 PM David VILLAUME <david.villaume at sewan.fr>
wrote:

> 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 at lists.freeswitch.org> *On
> Behalf Of *Brian West
> *Sent:* Thursday, March 4, 2021 8:39 PM
> *To:* FreeSWITCH Users Help <freeswitch-users at 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 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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> --
>
>
>
> Brian West | Co-founder and Developer
>
> Need Commercial support? email sales at freeswitch.com
>
> FreeSWITCH Solutions | 17345 Civic Drive #2531 Brookfield, WI 53045
> <https://maps.google.com/?q=17345+Civic+Drive+%232531+Brookfield,+WI+53045&entry=gmail&source=g>
>
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>
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>
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>
> <https://www.facebook.com/freeswitch> <https://twitter.com/freeswitch>
> _________________________________________________________________________
>
> 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 at freeswitch.com
> https://freeswitch.com
>
> Official FreeSWITCH Sites
> https://freeswitch.com/oss
> https://freeswitch.org/confluence
> https://cluecon.com
>
> FreeSWITCH-users mailing list
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> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
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-- 

Brian West | Co-founder and Developer

Need Commercial support? email sales at freeswitch.com

FreeSWITCH Solutions | 17345 Civic Drive #2531 Brookfield, WI 53045
<https://maps.google.com/?q=17345+Civic+Drive+%232531+Brookfield,+WI+53045&entry=gmail&source=g>

Email: brian at freeswitch.com

Mobile: 918-424-9378

Website: https://www.FreeSWITCH.com <https://www.freeswitch.com/>

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