[OpenSIPS-Users] Manipulate Opensips generated SIP headers

[Bogdan-Andrei Iancu]

Hi Ping,

I;m glad to here that.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 10.06.2015 08:23, Ping Han wrote:
> Hi Bogdan,
>
> I have implemented the new features and they work perfectly.
>
> Thanks,
> Chris
>
> On Wed, Jun 10, 2015 at 10:13 AM, Ping Han <pinghan022 at gmail.com 
> <mailto:pinghan022 at gmail.com>> wrote:
>
>     Thanks, Bogdan,
>
>     I have just upgraded Opensips from 1.9 to 2.1 and did not notice
>     the new features related to uac_auth. I was looking a way to
>     dynamically match the authentication credentials and I believe the
>     following new parameters will solve the problem.
>
>     auth_realm_avp
>     auth_username_avp
>     auth_password_avp
>
>     Thanks,
>     Ping
>
>     On Wed, Jun 10, 2015 at 2:01 AM, Bogdan-Andrei Iancu
>     <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>
>         Hi Ping,
>
>         You should not manually change the cseq in the messages as you
>         will break the whole dialog (the sequential requests).
>
>         The 2.1 version does cseq increasing (with dialog consistency)
>         when performing uac_auth().
>
>         Regards,
>
>         Bogdan-Andrei Iancu
>         OpenSIPS Founder and Developer
>         http://www.opensips-solutions.com
>
>         On 05.06.2015 09:39, Ping Han wrote:
>>         Hi Bogdan,
>>
>>         Thanks for your reply.
>>
>>         I am trying to manipulate the CSeq header.
>>
>>         I have attached a packet trace.
>>
>>         In the example 10.216.235.38 sends a SIP Invite to
>>         10.216.235.37 via Opensips. Then 10.216.235.37 challenges
>>         authentication. In the second SIP Invite that contains the
>>         authentication info (frame number 6), I have to increment the
>>         CSeq header otherwise 10.216.235.37 does not like it. The new
>>         CSeq is now set to 2.
>>
>>         If 10.216.235.37 is not able to accept the call, it returns
>>         something other than "200 OK" (606 in this example). Now it
>>         is the problem. Opensips sends back an ACK (frame number 12)
>>         with CSeq set to 1 (not 2). 10.216.235.37 is expecting an ACK
>>         with a CSeq set to 2. The consequence is that 10.216.235.37
>>         keeps sending 606 until times out.
>>
>>         The ACK is internally generated by Opensips and as you said
>>         we can not manipulate it. I am wondering if there is any way
>>         to solve this problem.
>>
>>         PS: 10.216.235.97 is the internal IP of Opensips server and
>>         10.216.235.74 is the external IP.
>>
>>         Thanks,
>>         Ping
>>
>>
>>         On Thu, Jun 4, 2015 at 12:55 AM, Bogdan-Andrei Iancu
>>         <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>>
>>             Hi Ping,
>>
>>             There is no access to internally generated ACK and CANCEL
>>             requests.
>>
>>             What are you trying to do ?
>>
>>             Regards,
>>
>>             Bogdan-Andrei Iancu
>>             OpenSIPS Founder and Developer
>>             http://www.opensips-solutions.com
>>
>>             On 03.06.2015 02:53, Ping Han wrote:
>>>             Hi,
>>>
>>>             With Opensips is there a way to manipulate the SIP
>>>             headers of a messages that are generated locally by
>>>             Opensips. See the example below.
>>>
>>>             --------------------------------------------
>>>             ACK sip:0370103204 at 192.168.100.37:5060
>>>             <http://sip:0370103204@192.168.100.37:5060> SIP/2.0
>>>             Via: SIP/2.0/UDP
>>>             192.168.100.74:5060;branch=z9hG4bK5094.3ee05403.1
>>>             From:<sip:0370103401 at xxxvoip.com
>>>             <mailto:sip%3A0370103401 at xxxvoip.com>>;tag=1740643510
>>>             Call-ID: 641613075 at 192.168.100.38
>>>             <mailto:641613075 at 192.168.100.38>
>>>             To:<sip:0370103204 at 192.168.100.37:5060
>>>             <http://sip:0370103204@192.168.100.37:5060>>;tag=1994410995-1432625097305;
>>>             CSeq: 1 ACK
>>>             Max-Forwards: 70
>>>             User-Agent: OpenSIPS (2.1.0 (x86_64/linux))
>>>             Content-Length: 0
>>>             --------------------------------------------
>>>
>>>             Thanks,
>>>             Ping Han
>>>
>>>
>>>             _______________________________________________
>>>             Users mailing list
>>>             Users at lists.opensips.org  <mailto:Users at lists.opensips.org>
>>>             http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>
>>
>
>
>

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