[Freeswitch-users] ACK to 200 OK in a Bridge

[Brian Foster]

Sorry, I think I understand a little better now.

Please post a siptrace of both legs of the entire call on
pastebin.freeswitch.org and link back here. Sanitize of you like, but dont
make it too ambiguous.

Brian Foster
Endigo Computer LLC

Sent from a mobile device.
On Jul 20, 2012 8:49 AM, "Stephen Wilde" <wstephen80 at gmail.com> wrote:

> I have the following issue: if I do a bridge of an inbound call to an
> outbound call, when the called number answer the call with a 200 OK,
> FreeSwitch sends the ACK instantely, without wait the ACK of the calling.
>
> The message flow (as shown in the attached .png) is:
>
> CALLING              FS       CALLED
>
> INVITE       --------->
> 100 Trying <---------
>                              -------------> INVITE
>                              <--------- 100 Trying
>                              <--------- 200 OK
>                              -------------> ACK
> <--------- 200 OK
> -------------> ACK
>
>
>
> When I expected that the ACK to called is related to ACK from the calling:
>
> CALLING              FS       CALLED
>
> INVITE       --------->
> 100 Trying <---------
>                              -------------> INVITE
>                              <--------- 100 Trying
>                              <--------- 200 OK
> <--------- 200 OK
> -------------> ACK
>                              -------------> ACK
>
>
>
> For this reason, if sometimes the Calling doesn't send the ACK (because it
> reject the 200 OK), the call is considered connected (and billed) by
> Freeswitch (30s, probably due to a timeout waiting ack) and not by Calling
> (0s).
> There is a way (config?) to send ACK to called only when is received the
> ACK from calling?
>
> Stephen
>
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