[Freeswitch-users] call disconnects after 32 seconds

[Anthony Minessale]

Why do you keep hijacking peoples threads and starting arguments?  An
attempt to promote your site maybe?

This is not even slightly philosophical... No endpoint will tolerate not
geting the ACK.  The whole point of it is to make sure 2-way communication
has been established.  The ACK contains vial information to set up the call
properly and until you have it, you have not completed the call setup.....
We will absolutely not try to hack our sip stack.

If you are here to participate in the community, try to help rather than
force comments on people and start arguments.  Maybe try listening to the
advice people are giving you......





On Fri, Nov 16, 2012 at 3:56 PM, Yiftach Golan <yiftah at choochee.com> wrote:

> This is where I am getting a bit confused, if the 200OK arrived to the
> other side and we checked that the RTP exists (with mod_sofia option) we
> will not get to hours of calls (unless the other side did not hanged up)
> In any case there is a good chance that the BYE is getting lost, so the
> danger exist even without the ACK
>
> I am guessing that the designers of the SIP protocol came up with the ACK
> because there is a potential for open dialog that is not bound with time
> and they therefore wanted to know that the other side actually ACKs the
> request, but since ACK is tied to INVITE only (AFAIK) and INVITE always
> tied with RTP (at least in most normal SIP implementations) I'm not sure
> that this ACK is that needed
> but again as I said it is more of philosophical debate, maybe a potential
> request in the new RFC
>
> On Fri, Nov 16, 2012 at 12:58 PM, Ken Rice <krice at freeswitch.org> wrote:
>
>>  In this case masking the issue can lead to massive bills... Imaging
>> paying by the minute... All of a sudden you are now leaving 2 minute calls
>> up for hours on end... And continuing to get billed for them... Or you are
>> not continuing to bill a customer for them... And now you have unexpected
>> HUGE bills coming in... Masking it is far worse then just fixing it...
>>
>> If we mask this one issue, we might as well mask memory leaks, or
>> passwords that don’t work, etc... Sure sometimes we might have to mask an
>> issue for production to work in the short term, but that is never the
>> correct answer fix a problem
>>
>>
>> On 11/16/12 2:19 PM, "Yiftach Golan" <yiftah at choochee.com> wrote:
>>
>> While I agree on the details I disagree on the solution
>> Sometimes masking the problems can be a good solution but I guess it is a
>> philosophical debate
>>
>>
>> On Fri, Nov 16, 2012 at 10:27 AM, Ken Rice <krice at freeswitch.org> wrote:
>>
>> That leaves to big a risk of open sessions and only masks the true issue
>> which is a problem with FS getting the ACK back...
>>
>> Theres a reason FS is not getting the ACK, and FS will make several
>> attempts to get an ack by retransmitting the 200 OK several times before
>> that timeout occurs.
>>
>> The real fix here is to fix the underlying cause, not masking it....
>>
>>
>> On 11/16/12 11:45 AM, "Yiftach Golan" <yiftah at choochee.com <
>> http://yiftah@choochee.com> > wrote:
>>
>> I know that it is kind out of the what RFC3261 instructs, but did anyone
>> think on giving the option in configuration not to hang up calls in case of
>> an ACK does not arrive?
>> I know that it has the risk of open sessions but there some other ways to
>> handle those cases
>>
>> On Thu, Nov 15, 2012 at 6:35 PM, Ken Rice <krice at freeswitch.org <
>> http://krice@freeswitch.org> > wrote:
>>
>> This is probably the same scenario as this is exactly what to expect...
>> Call gets answered far end doesn’t ACK FS sending them a 200OK , fs hangsup
>> the call....
>>
>> Quite common on networks with NAT issues or broken endpoints
>>
>>
>> On 11/15/12 7:43 PM, "Vitalie Colosov" <vetali100 at gmail.com <
>> http://vetali100@gmail.com>  <http://vetali100@gmail.com> > wrote:
>>
>> I saw this happened earlier when the remote party does not send SIP ACK
>> after receiving SIP OK, so the call is being disconnected after exactly 32
>> seconds.
>> Not sure if this is exact same scenario here, but just something to
>> consider...
>>
>> Regards.
>> Vitalie
>>
>>
>> 2012/11/15 kaleem rehman <k4kaleem at gmail.com <http://k4kaleem@gmail.com>
>>  <http://k4kaleem@gmail.com> >
>>
>> Hi All,
>>
>> my inbound calls are fine with no issues, my outbound calls get
>> disconnected after 32 seconds and its on all calls. i tried 2 different
>> suppliers and its same result.
>> please find the attached log file with sofia in debug mode. - caller was
>> extension 1234 and desination was 01908321682
>>
>> your help will be greately appreciated.
>>
>> regards,
>> Kaleem
>>
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>
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> 
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-- 
Anthony Minessale II

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