I will recommend you switch to use TCP or TLS transport. If packet is lost it auto retransmitted by TCP stack protocol.
It help me make call through nat devices with bad implementation of nat.


On Wed, Mar 18, 2015, 13:42 Abdul Hakeem <alhakeem@gmail.com> wrote:
Hello,
The lost or delayed ACK are periodic. Sometime it disappear within minutes, but
of course after the call has been dropped.
IS there any way to send fake ACK packet to FS via ESL  before CONNECT ?
Cheers

-----Original Message-----
From: freeswitch-users-bounces@lists.freeswitch.org
[mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Michael
Jerris
Sent: Tuesday, March 17, 2015 5:01 PM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] FS default behaiour when no ACK is received

No, and there shouldn't/can't be.  If you try to continue a call that has nat
issues keeping responses from going through, there will be no way to end the
call.

> On Mar 17, 2015, at 12:15 PM, Abdul Hakeem <alhakeem@gmail.com> wrote:
>
> Hello,
>
> Is there any way to override FS behaviour when no ACK is received by FS from
> registered clients?
> I'm hoping there might be a way for FS to continue processing rather than end
> the call.
>
> Cheers,
> Abdul Hakeem


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