Igore, It's called 3pcc or Third Party Call Control, you'll need to enable it on every profile that call will touch, we also support the setting to true or proxy. https://freeswitch.org/confluence/display/FREESWITCH/Sofia+Configuration+Fil... Thanks, Brian On Wed, Jun 22, 2022 at 9:38 AM kaiduan xie via FreeSWITCH-users < freeswitch-users@lists.freeswitch.org> wrote:

---------- Forwarded message ---------- From: kaiduan xie <kaiduanx@yahoo.ca> To: FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org> Cc: Bcc: Date: Wed, 22 Jun 2022 13:12:31 +0000 (UTC) Subject: Re: [Freeswitch-users] Unexpected BYE reason 488 after RE-INVITE The first reINVITE with inactive looks like a hold, the second reINVITE without SDP looks like a resume, what is the third reINVITE for? Does FS receive ACK for the third reINVITE?

I think if FS returns sendonly for reINVITE without SDP, FS will not receive BYE.

/Kaiduan

On Wednesday, June 22, 2022 at 08:14:08 a.m. EDT, Igor Potjevlesch < igor.potjevlesch@gmail.com> wrote:

Hello,

No idea?

Regards,

Igor.

Le ven. 17 juin 2022 à 16:44, Igor Potjevlesch <igor.potjevlesch@gmail.com> a écrit :

Hi!

I cannot figure out why my call is disconnected in this scenario:

UA1 --> FS --> GW --> UA2 (I think it’s a Cisco Phone and/or CUCM)

UA2 sends a first RE-INVITE with media attribute "inactive". FS is replying with 200 OK inactive.

Then, UA2 sends a second RE-INVITE without SDP. FS is replying with 200 OK inactive.

Then, UA2 sends a third RE-INVITE without SDP. FS is replying with 200 OK inactive.

And just a couple of ms after, FS sends the BYE with 488 No answer to offer.

Do you have any idea of the origin?

Regards,

Igor.

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---------- Forwarded message ---------- From: kaiduan xie via FreeSWITCH-users < freeswitch-users@lists.freeswitch.org> To: FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org> Cc: Bcc: Date: Wed, 22 Jun 2022 06:38:13 -0700 (PDT) Subject: Re: [Freeswitch-users] Unexpected BYE reason 488 after RE-INVITE _________________________________________________________________________

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