[OpenSIPS-Users] Dialog timeout_avp and onreply_route

Mariana Arduini marianarduini at gmail.com
Thu Nov 15 12:29:49 CET 2012


Hello Vlad,

Thanks for explaining, I will try to use sst module then!

Regards,
Mariana.


On Thu, Nov 15, 2012 at 8:28 AM, Vlad Paiu <vladpaiu at opensips.org> wrote:

> **
> Hello,
>
> When using the SST module, refreshing in-dialog replies should work, since
> the internal callbacks are called before the dialog module updates it's
> timeout values.
> Still, is you set the AVP in the onreply_route, that is known not to work
> since the updating of timeout values is done before the onreply_route is
> triggered.
>
> indeed  this is some sort of bug, that we intend to fix in the future 1.9
> release, by triggering event routes for different events that occur for the
> dialog module.
>
> Regards,
>
> Vlad Paiu
> OpenSIPS Developerhttp://www.opensips-solutions.com
>
>
> On 11/14/2012 07:59 PM, Muhammad Shahzad wrote:
>
> Then its a bug and need to be reported at,
>
>  http://sourceforge.net/tracker/?group_id=232389&atid=1086410
>
>  Thank you.
>
>
> On Wed, Nov 14, 2012 at 6:43 PM, Mariana Arduini <marianarduini at gmail.com>wrote:
>
>>
>>  Hi Muhammad,
>>
>>  "Well, i think if you have enabled onreply_avp_mode in TM module then
>> you can access and change AVP you set in route block in on_reply block. I
>> don't see any reason why you need to modify opensips source code for this."
>>  Yes, I have that enabled in tm module, and in fact I can change avp
>> values in onreply_route, from what I see in other avps we use.
>>
>>  The problem is that it seems the dialog module cannot apply the new avp
>> value to the dialog timeout. Check dialog module docs:
>>
>>
>> http://www.opensips.org/html/docs/modules/devel/dialog.html#timeout-avp-id
>>
>>  ** It may be used only in a request (initial or sequential) context**
>>
>>  Using opensipsctl fifo dlg_list, I can see that the timeout value is
>> set to 43200 seconds, which is the dafault value, even after setting the
>> timeout avp in onreply_route:
>>
>>   # opensipsctl fifo dlg_list
>> dialog::  hash=1571:444747590
>>  state:: 4
>>  user_flags:: 0
>>  timestart:: 1352912021
>>  timeout:: 1352955222
>>  callid:: 1-8696 at 91.190.218.180
>>  from_uri:: sip:daitan.engg1 at connect-lync.connect.com
>>  to_uri:: sip:lync_user at lync.com
>>  caller_tag:: uac191.190.218.180
>>  caller_contact:: sip:10.22.136.172;transport=tcp;did=326.53fb7ac1
>>  callee_cseq:: 0
>>  caller_route_set::
>>  caller_bind_addr:: tcp:10.22.137.64:5060
>>  callee_tag:: uas291.190.218.170
>>  callee_contact:: sip:10.22.136.170;transport=tcp;did=326.7efc7653
>>  caller_cseq:: 1
>>  callee_route_set::
>>  callee_bind_addr:: tcp:10.22.137.25:5060
>>
>>  I understand the dialog module won´t apply any change in the avp from
>> onreply_route, doesn´t matter if done manually or through SST module... =/
>>
>>  Thanks again!
>> Mariana.
>>
>>
>>  On Wed, Nov 14, 2012 at 3:17 PM, Muhammad Shahzad <
>> shaheryarkh at googlemail.com> wrote:
>>
>>> Well, i think if you have enabled onreply_avp_mode in TM module then you
>>> can access and change AVP you set in route block in on_reply block. I don't
>>> see any reason why you need to modify opensips source code for this.
>>>
>>>  http://www.opensips.org/html/docs/modules/1.8.x/tm.html#id292825
>>>
>>>  Just change value of SST AVP as i mentioned in previous email when you
>>> get final reply from upstream. However make sure onreply_avp_mode is set as
>>> mentioned in about link.
>>>
>>>  Thank you.
>>>
>>>
>>>
>>> On Wed, Nov 14, 2012 at 5:37 PM, Mariana Arduini <
>>> marianarduini at gmail.com> wrote:
>>>
>>>> Hi Muhammad!
>>>>
>>>>  Thanks for replying.
>>>>
>>>>  I looked at SST module and, at least from docs, there is no mention to
>>>> using it for the 200 OK, only for INVITES...
>>>>
>>>>  Even so, I think the problem is that the dialog module does not
>>>> update the timeout value for 200 OK. For example, if you want to refresh
>>>> the timeout value when you get an UPDATE message, you have to set the avp
>>>> configured in timeout_avp modparam and then call
>>>> match_dialog()/loose_route(), because either of these functions will
>>>> actually update the dialog, and setting the avp without calling them will
>>>> take no effect. I guess the same thing is happening when I set the avp
>>>> after receiving the 200 OK.
>>>>
>>>>  Any help on what should be changed in OpenSIPS code so that setting
>>>> the avp in onreply_route will take effect on the dialog timeout?
>>>>
>>>>  Thanks!
>>>>  Mariana
>>>>
>>>>
>>>> On Wed, Nov 14, 2012 at 1:38 PM, Muhammad Shahzad <
>>>> shaheryarkh at googlemail.com> wrote:
>>>>
>>>>> Use SST module,
>>>>>
>>>>>  http://www.opensips.org/html/docs/modules/1.8.x/sst.html#id250008
>>>>>
>>>>>  Thank you.
>>>>>
>>>>>
>>>>>  On Tue, Nov 13, 2012 at 8:25 PM, Mariana Arduini <
>>>>> marianarduini at gmail.com> wrote:
>>>>>
>>>>>>  Hello all,
>>>>>>
>>>>>>  I know from the docs that dialog module param timeout_avp " ... may
>>>>>> be used only in a request (initial or sequential) context", but we
>>>>>> have a scenario where the UAS should be the session timer refresher, then
>>>>>> we can only set the timeout_avp value when we get the Session-expires
>>>>>> header value in 200 OK.
>>>>>>
>>>>>>  May I ask what would be the best approach to this, like modifying
>>>>>> OpenSIPS code to be able to actually set the avp from onreply_route? If
>>>>>> this is the case, can you please guide us on what would need to be changed?
>>>>>>
>>>>>>  Thanks in advance,
>>>>>>
>>>>>>  Mariana.
>>>>>>
>>>>>>  _______________________________________________
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>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>  --
>>>>> Muhammad Shahzad
>>>>> -----------------------------------
>>>>> CISCO Rich Media Communication Specialist (CRMCS)
>>>>> CISCO Certified Network Associate (CCNA)
>>>>> Cell: +49 176 99 83 10 85 <%2B49%20176%2099%2083%2010%2085>
>>>>> MSN: shari_786pk at hotmail.com
>>>>> Email: shaheryarkh at googlemail.com
>>>>>
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>>>>>
>>>>
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>>>
>>>
>>>  --
>>> Muhammad Shahzad
>>> -----------------------------------
>>> CISCO Rich Media Communication Specialist (CRMCS)
>>> CISCO Certified Network Associate (CCNA)
>>> Cell: +49 176 99 83 10 85 <%2B49%20176%2099%2083%2010%2085>
>>> MSN: shari_786pk at hotmail.com
>>> Email: shaheryarkh at googlemail.com
>>>
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>>>
>>
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>
>
>  --
> Muhammad Shahzad
> -----------------------------------
> CISCO Rich Media Communication Specialist (CRMCS)
> CISCO Certified Network Associate (CCNA)
> Cell: +49 176 99 83 10 85
> MSN: shari_786pk at hotmail.com
> Email: shaheryarkh at googlemail.com
>
>
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