[SR-Users] INVITE Retransmission Causes Limiting Simultaneus Calls for Subscribers

[Daniel-Constantin Mierla]

Hello,

what version of kamailio are you using?

State 1 is for dialogs that were not relayed (or they haven't received 
any reply yet). That means you create the dialog and don't relay the 
INVITE. Try to us dlg_manage() just before relaying the INVITE.

Cheers,
Daniel

On 2/12/13 9:37 AM, Bayram Karagoz wrote:
> Hi,
>
> is there any advise about my problem?
> I'm using kamailio in my production environment and this issue started 
> to reproduce a lot.
> is there any way to discard retransmitted INVITE messages from 
> counting dialog?
>
>
> 2013/2/9 Bayram Karagoz <karagoz.bayram at gmail.com 
> <mailto:karagoz.bayram at gmail.com>>
>
>     thanks for the response Daniel,
>
>     has_totag not solved my problem.
>
>     in a deep search I realized that these retransmission INVITE
>     dialogs are waiting in dialog list as state = 1. one example is below;
>     is there any way to clear these dialog which state is waiting for
>     state = 1 or any other solution is welcome for me?
>
>     dialog::  hash=246:499719317
>             state:: 1
>             ref_count:: 1
>             timestart:: 0
>             timeout:: 0
>             callid:: 1356619-3569384775-474862 at GBSBC-1.mydomain.com
>     <mailto:1356619-3569384775-474862 at GBSBC-1.mydomain.com>
>             from_uri:: sip:02165151057 <tel:02165151057>@xxx.xxx.xxx.xxx
>             from_tag:: 3569384775-474868
>             caller_contact:: sip:02165151057
>     <tel:02165151057>@xxx.xxx.xxx.xxx:5060
>             caller_cseq:: 2
>             caller_route_set::
>             caller_bind_addr:: udp:xxx.xxx.xxx.xxx:5060
>             callee_bind_addr::
>             to_uri:: sip:4115667 at xxx.xxx.xxx.xxx
>             to_tag::
>             callee_contact::
>             callee_cseq::
>             callee_route_set::
>
>
>
>
>     2013/2/4 Daniel Tryba <daniel at pocos.nl <mailto:daniel at pocos.nl>>
>
>         On Sunday 03 February 2013 12:58:02 Bayram Karagoz wrote:
>         > I'm trying to limit all subscriber's active call according
>         to setting their
>         > simultaneous use setting defined in database.
>         > But having problem when one subscriber's INVITE message goes to
>         > retransmission. When retranmission occures INVITE messages
>         don't complete
>         > with BYE and subscriber simultaneus use amount will hung.
>         > My example code block is below.
>         > Does anyone advice me for overcome INVITE retransmissions?
>
>         I haven't implemented it myself yet, but all examples I've
>         seen check for
>         !has_totag() in the INVITE when doing call limit accounting. So
>         if (is_method("INVITE") && $fU == $avp(s:username) &&
>         !has_totag())
>         in your case. But that only works if the device received the
>         initial 100
>         Trying with a tag from Kamailio.
>
>         But might it not be better to just do the count in the INVITE and
>         adding/deleting of dialogs in the dialog event routes?
>         http://kamailio.org/docs/modules/stable/modules_k/dialog.html#id2556156
>         Problem here is that if the limit is 5 and and there are more
>         than 5
>         concurrent INVITES you'd have to drop calls with a 200 OK
>         response.
>
>         --
>
>         POCOS B.V. - Croy 9c - 5653 LC Eindhoven
>         Telefoon: 040 293 8661 - Fax: 040 293 8658
>         http://www.pocos.nl/   - http://www.sipo.nl/
>         K.v.K. Eindhoven 17097024
>
>
>
>
>     -- 
>     *Bayram KARAGÖZ*
>
>     *NGN Engineer*
>
>     *-----------------------------------------*
>
>     *@*bayram at bayramkaragoz.org <mailto:bayram at bayramkaragoz.org>
>
>     *:***www.bayramkaragoz.org <http://www.bayramkaragoz.org/>
>
>     *-----------------------------------------*
>
>
>
>
> -- 
> *Bayram KARAGÖZ*
>
> *NGN Engineer*
>
> *-----------------------------------------*
>
> *@*bayram at bayramkaragoz.org <mailto:bayram at bayramkaragoz.org>
>
> *:***www.bayramkaragoz.org <http://www.bayramkaragoz.org/>
>
> *-----------------------------------------*
>
>
>
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-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference, April 16-17, 2013, Berlin
  - http://conference.kamailio.com -

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