Re: [OpenSIPStack] Received response without transaction issue

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Hello Joegen,

I think in this case my PC firewall is creating problem. I am verifying it
by testing from various places.

I have another problem though...The issue is like following..

OSBC does not forward Session progress message to SIP UA. However it
forwards 200 OK message. I checked the logs and found osbc prints following
on receiving session progress...
2008/12/22 07:24:51.656	DBG: [CID=0x0511] Finding transaction for SIP/2.0
183 Session Progress
2008/12/22 07:24:51.656	PWL: [CID=0x0000] Parser
TransactionId::operator=() - No Branch Paramemter in Via present in message
2008/12/22 07:24:51.656	DBG: [CID=0x0511] Setting Transaction ID to
s_9608_551d896705cd-0x0001|empty-branch|INVITE|1c18646|22580
2008/12/22 07:24:51.656	PWL: [CID=0x0000] Parser
TransactionId::operator=() - No Branch Paramemter in Via present in message
2008/12/22 07:24:51.656	DBG: [CID=0x0511] Event: Setting UA Core [Call] to
handle event INVITE
2008/12/22 07:24:51.656	DTL: [CID=0x0511] Event: ---> UnknownTransaction -
INVITE

I have attached the log. This log will be simple to read as it has only one
call log.

Please comment.

Regards,

Manoj

-----Original Message-----
From: jo...@op... [mailto:joe...@gm...]
Sent: Thursday, December 18, 2008 7:48 PM
To: ope...@li...
Subject: Re: [OpenSIPStack] Received response without transaction issue

Ok now you are sure that the packets never arrive to your client.  Now
run Ethereal in the OpenSBC box and see if ethereal shows the outbound
packets.  If Etheareal shows it, then its a network problem.   The fact
that some messages arrive and some don't points to a network problem.
Start looking in that direction.  As far as the logs go, OpenSBC sends
the responses.  I am sure if you snoop the packets traversing OpenSBC
NIC that you will see those packets being sent.  It just never arrive to
the destination.  There is nothing OpenSBC can do about this.

Manoj Joshi wrote:
> In ethereal i do not see any response to Register requests. UA is sending
> register again because its not getting response.
>
> You can also try to register from ur place to my server...i can even
arrange
> my SIP proxy to comminicate with ur OSBC (on ur machine).
>
> Let me know.
>
> -----Original Message-----
> From: Joegen E. Baclor [mailto:joe...@gm...]
> Sent: Thursday, December 18, 2008 6:24 PM
> To: Manoj Joshi
> Cc: ope...@li...
> Subject: Re: [OpenSIPStack] Received response without transaction issue
>
>
> The log indicates that your UA is retransmitting the REGISTER even if
> OpenSBC alredy sent a 200 OK for the registration.   If ethereal shows
> these messages in the wire, then this is a network problem.
>
> Manoj Joshi wrote:
>
>> joegen,
>>
>> As per our discussion, i tried to capture the packets on wireshark. To do
>>
> so
>
>> i configured UA to disable encryption. But now its not even registering.
I
>> have attached server logs. On UA side wireshark i do not see any response
>> from server. Please note that everything is same (OSBC and UA config)
>>
> except
>
>> now i am not using encryption.
>>
>> Please comment on it.
>>
>> Regards,
>>
>> Manoj
>>
>>
>> -----Original Message-----
>> From: Manoj Joshi [mailto:ma...@as...]
>> Sent: Thursday, December 18, 2008 1:54 PM
>> To: jb...@so...
>> Cc: ope...@li...
>> Subject: Re: [OpenSIPStack] Received response without transaction issue
>>
>>
>> trying is coming...i will check the ethreal and will let u know.
>>
>> -----Original Message-----
>> From: Joegen E. Baclor [mailto:joe...@gm...]
>> Sent: Thursday, December 18, 2008 12:26 PM
>> To: Manoj Joshi
>> Cc: ope...@li...
>> Subject: Re: [OpenSIPStack] Received response without transaction issue
>>
>>
>>
>>
>>>> i am getting "Trying" and "Bye" on SIP client
>>>>
>>>>
>> I doubt this very much.  Based on the log you sent, your UA kept on
>> retransmitting the INVITE.  This indicates that 100 Trying never made it
>> to the UA.
>>
>> 2008/12/17 21:49:04.210    INF: [CID=0x0621] <<< INVITE
>> sip:919811618189@216.176.181.108 SIP/2.0  SRC: 122.160.115.219:11765:UDP
>> enc=1 bytes=794
>> 2008/12/17 21:49:04.726    INF: [CID=0x0621] <<< INVITE
>> sip:919811618189@216.176.181.108 SIP/2.0  SRC: 122.160.115.219:11765:UDP
>> enc=1 bytes=794
>> 2008/12/17 21:49:05.726    INF: [CID=0x0621] <<< INVITE
>> sip:919811618189@216.176.181.108 SIP/2.0  SRC: 122.160.115.219:11765:UDP
>> enc=1 bytes=794
>> 2008/12/17 21:49:07.726    INF: [CID=0x0621] <<< INVITE
>> sip:919811618189@216.176.181.108 SIP/2.0  SRC: 122.160.115.219:11765:UDP
>> enc=1 bytes=794
>>
>> I would be looking how traffic looks in ethereal if I were you.
>>
>> Manoj Joshi wrote:
>>
>>
>>> I had tested it from two places (One behind NAT and other from Public
>>>
> IP).
>
>>> Also i am testing it from the place where SIP is not blocked at all.
>>>
>>>
>> Please
>>
>>
>>> note that i am getting "Trying" and "Bye" on SIP client (as these
>>>
> messages
>
>>> are directly from OSBC). But i do not get "Session progress" and "200
OK"
>>>
>>> Regards,
>>>
>>> Manoj
>>>
>>>
>>>
>>>
>>>
>>>
>>
>> --
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>>
> 12/17/2008
>
>> 7:21 PM
>>
>>
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No virus found in this incoming message.
Checked by AVG.
Version: 7.5.552 / Virus Database: 270.9.19/1854 - Release Date: 12/17/2008
7:21 PM