[Kamailio-Users] FW: Call Hangup from Caller-End not working with TLS

Ali Jawad ali.jawad at splendor.net
Fri Aug 29 13:27:54 CEST 2008


Dear All

Please find below the call setup from my softphone to my cell phone, The
setup is as follows:

LAN -> Office Gateway <--TLS--->Openser<--UDP-->PSTN GW

I got the trace below by applying

ngrep  -W byline -T username -q -d eth0

http://pastebin.com/m2a78a27f

I did the same trace for a udp call and it seemed identical to me, as
you can see in the lower part of the trace that a BYE packet is being
sent to the softphone however the transport is being indicated as UDP
not TLS..is this normal ?
Any clues apart from that ?

Thanks

-----Original Message-----
From: Klaus Darilion [mailto:klaus.mailinglists at pernau.at] 
Sent: 2008-08-28 18:13
To: Ali Jawad
Cc: users at lists.kamailio.org
Subject: Re: [Kamailio-Users] FW: Call Hangup from Caller-End not
working with TLS

Hi!

Send us an ngrep dump: ngrep -P "" -W byline port 5060

Although this will show us only the UDP part (as TLS is encrypted) but 
may still show as the problem.

Which SIP client do you use?

regards
klaus

Ali Jawad schrieb:
> Hi All
> 
> I am using using openser 1.3..if I make a call between two softphones
on 
> the same lan or a a pstn call to my mobile phone..and the 
> called/receiver party does hang-up the call. It works fine in UDP mode

> and the call get's hang-up. However in TLS mode this does not work. 
> Anything I might have missed here? Since both udp and tls use the same

> routes, and voice is fine and no one way audio ..etc.
> 
> I notice this http://pastebin.com/m38c979f6 on rtp proxy. However in
the 
> logs of openser I can't see any errors.
> 
> However on the wire shark I can see icmp destination
unreachable...port 
> unreachable.
> 
> I would have said it is a NAT issue. However it works for simple UDP.
> 
>  
> 
> However I did notice the following in the logs
> 
>  
> 
> Aug 28 13:41:01 [8565] DBG:tm:set_timer: relative timeout is 4000000
> 
> Aug 28 13:41:01 [8565] DBG:tm:insert_timer_unsafe: [7]: 0xb6137794 
> (45900000)
> 
> Aug 28 13:41:01 [8565] DBG:tm:retransmission_handler: 
> retransmission_handler : done
> 
> Aug 28 13:41:02 [8564] DBG:core:parse_msg: SIP Request:
> 
> Aug 28 13:41:02 [8564] DBG:core:parse_msg:  method:  <BYE>
> 
> Aug 28 13:41:02 [8564] DBG:core:parse_msg:  uri:     
>
<sip:michofr at 193.227.186.146:3218;transport=UDP;rinstance=D98C1DD404B200
8F980980E97E42F8EC;nat=yes>
> 
> Aug 28 13:41:02 [8564] DBG:core:parse_msg:  version: <SIP/2.0>
> 
> Aug 28 13:41:02 [8564] DBG:core:parse_headers: flags=2
> 
> Aug 28 13:41:02 [8564] DBG:core:parse_via_param: found param type 232,

> <branch> =
> 
>  
> 
> Shouldn't the transport=TLS ?
> 
>  
> 
>  
> 
> Regards
> 
> 
>
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> 
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