[Freeswitch-users] FreeSWITCH not replying to SIP INVITE

Sun May 12 03:02:54 MSD 2013

Ah, Windows. Ok ignore the last email comments. Well, apart from the latest
version.

Check the listening ports are still there. The same command will work if
you install http://gnuwin32.sourceforge.net/packages/grep.htm - otherwise
use 'netstat -anp' and scroll manually.

Does FS continue responding to SIP from your softphone? To the port talking
to draytel too, even if that's the one you wouldn't normally send to?

-Steve

On 11 May 2013 16:31, Christopher Hall <chris.hall at vividapps.co.uk> wrote:

> Cal,****
>
> ** **
>
> Thanks for your response. ****
>
> ** **
>
> I will perform as many of those tests as I can, but while I’m doing that I
> need to clarify my situation. On re-reading my original post I realise I
> have not been clear.****
>
> ** **
>
> **·         **My FS is running on Windows as a service.****
>
> **·         **FS is running on the same virtual host as the automated
> call handling application.****
>
> **·         **FS does not stop responding completely but only to SIP
> INVITE from the draytel service****
>
> **·         **When FS is in this state I can still call the automated
> call handling application using a soft phone on my LAN.****
>
> **·         **When FS is in this state I do not see any log output from
> FS when the draytel service sends a SIP INVITE.****
>
> ** **
>
> I hope that is more clear, please let me know if any of the above alters
> your thinking. ****
>
> ** **
>
> I will attempt to work through your suggestions.****
>
> ** **
>
> Chris.****
>
> ** **
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Cal Leeming
> [Simplicity Media Ltd]
> *Sent:* 11 May 2013 12:58
>
> *To:* FreeSWITCH Users Help
> *Subject:* Re: [Freeswitch-users] FreeSWITCH not replying to SIP INVITE***
> *
>
> ** **
>
> Hi Chris,****
>
> ** **
>
> There is a couple of things you can do here to determine what is happening.
> ****
>
> ** **
>
> First, make sure you are running the latest freeswitch stable release.
> Enable console logging and set the log level to debug (console loglevel
> debug) iirc, Next, see if you are able to type 'status' into the CLI after
> it has stopped responding, and make sure it outputs something. Perform a
> test to see how long it takes for the freeswitch instance to stop
> responding. Copy all the log entries from the point where it started, to
> the point where it stopped responding, then attach and send the file to
> this list. ****
>
> ** **
>
> Once the fs instance has stopped responding, can you please try and
> construct a SIP packet and send it manually to the server from the local
> host of the server. You can use sendip to do this, by following the
> instructions at [1]. Once you send the packet, check to see if it is
> received by fs. ****
>
> ** **
>
> If no packet is being received even when sending from localhost, run
> "netstat -inp | grep LISTEN | SIPPORTHERE", replacing SIPPORTHERE with the
> port you are running sip on fs. Ensure that the only entry for udp is th fs
> instance, and nothing else. For a slightly more deeper approach, attach an
> strafe to the fs instance, you can do this by looking in the process list
> for the fs instance, then typing "strafe -ifq -p PIDHERE" replacing PIDHERE
> with the pid of your fs instance. Attempt to send a call to fs, ensure the
> packet arrives through wireshark, and see if the packet appears in the
> strace (this is a really brutal way of debugging sometimes, it doesn't
> offer all the answers but can give you a bit of an X-ray as to what is
> going on).****
>
> ** **
>
> Also ensure you eliminate any possible outside interference, such as
> switch gear or routing equipment.. If possible, connect the windows server
> and the fs instance directly together, bypassing anything in between.
> Ensure you also disable any local firewall on the fs server, I.e. iptables.
> ****
>
> ** **
>
> This should hopefully give you a nudge in the right direction to determine
> where this problem is happening.****
>
> ** **
>
> Hope this helps!****
>
> ** **
>
> Cal****
>
> ** **
>
> ps) typed on my ipad, sorry for any spelling mistakes****
>
> ** **
>
> [1]
> http://www.moythreads.com/wordpress/2012/03/15/sending-udp-packets-from-the-command-line/
> ****
>
> ** **
>
> ** **
>
>
> On Saturday, May 11, 2013, Christopher Hall wrote:****
>
> Steve,****
>
>  ****
>
> Thanks for your response, I have tried with global siptrace turned on and
> I see absolutely nothing when I make the call, the SIP INVITE messages are
> sent to the FreeSWITCH host machine as seen using WireShark running on that
> host.****
>
>  ****
>
> Chris.****
>
>  ****
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Steven Ayre
> *Sent:* 10 May 2013 20:01
> *To:* FreeSWITCH Users Help
> *Subject:* Re: [Freeswitch-users] FreeSWITCH not replying to SIP INVITE***
> *
>
>  ****
>
> Try enabling the sip trace when it happens to see if FS receives the
> packets:****
>
> sofia global siptrace on****
>
>  ****
>
> Steve****
>
>  ****
>
>  ****
>
>
> On 10 May 2013, at 17:03, "Christopher Hall" <chris.hall at vividapps.co.uk>
> wrote:****
>
> Hi,****
>
>  ****
>
> I’m new to FreeSWITCH lists and I’m not sure if this is the correct list
> for my post, any help will be much appreciated.****
>
>  ****
>
> I have a FreeSWITCH server configured to connect to a Draytel (draytel.org)
> SIP service. This works correctly and I can dial in and out using the
> service. ****
>
>  ****
>
> I have an application running on a Windows Server that interfaces using
> event socket to the FreeSWITCH server. The intended use is that calls
> dialling in through the draytel service are automatically handled by this
> application. Again this works correctly.****
>
>  ****
>
> However, after a period of time which does not yet appear to be
> deterministic the FreeSWITCH server stops responding to INVITE requests
> from the draytel server. The FreeSWITCH server can still respond as I can
> dial using a local network VOIP phone and the application handles that
> call, but on the draytel connection there is no response.****
>
>  ****
>
> When FreeSWITCH stops responding I see absolutely nothing in the output
> logging information. I have run WireShark on the server that is running
> FreeSWITCH and I can see SIP INVITE requests being sent from draytel to the
> FreeSWITCH host but I don’t see any kind of response.****
>
>  ****
>
> Help!****
>
>  ****
>
> Thanks****
>
>  ****
>
> Chris.****
>
>  ****
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
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>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
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