[Kamailio-Users] ERROR:tm:add_uac: maximum number of branches exceeded

[Daniel-Constantin Mierla]

Hello,

On 12/2/09 5:42 PM, alex pappas wrote:
> Hi Daniel,
>
> these are the data:
>
> Server:: Kamailio (*1.5.3-notls* (x86_64/linux))
> Build:: mi/mi_core.c compiled on 20:05:04 Nov 15 2009 with gcc 4.3.2
> Flags:: STATISTICS, USE_IPV6, USE_TCP, DISABLE_NAGLE, USE_MCAST, 
> SHM_MMAP, PKG_MALLOC, F_MALLOC, FAST_LOCK-ADAPTIVE_WAIT
> SVN:: 2:5954M
> Now:: Wed Dec  2 18:41:37 2009
> Up since:: Wed Dec  2 18:32:13 2009
> Up time:: 564 [sec]
>
ok, this is stable.

So, you get one INVITE in and then you get 8 of them out? From your 
explanation, you have fewer gateways in dispatcher groups.

Try to set ds_append_branch parameter to 0:
http://kamailio.org/docs/modules/1.5.x/dispatcher.html#id2468051

Cheers,
Daniel

>
> Alex
>
>
>
>
> On Wed, Dec 2, 2009 at 6:36 PM, Daniel-Constantin Mierla 
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
>     Hello,
>
>     what version of kamailio are you running?
>
>     Cheers,
>     Daniel
>
>
>
>     On 12/2/09 5:27 PM, alex pappas wrote:
>>     Hi again,
>>
>>     By changing the parameters T1 and T2 in the TM module I managed
>>     to have almost the half branches than before BUT still I get the
>>     same Error and I try to send the call on gateway N.
>>
>>     modparam("tm", "T2_timer", 2000)
>>     modparam("tm", "T1_timer", 1000)
>>
>>
>>     Thanks
>>
>>     Alex
>>
>>
>>
>>     On Wed, Dec 2, 2009 at 6:10 PM, alex pappas
>>     <rebel.pappas at gmail.com <mailto:rebel.pappas at gmail.com>> wrote:
>>
>>         Hello there,
>>
>>         I'm using dispatcher to serial fork a call through many
>>         gateways.
>>         For a call to number 2XXXXXXXXX , first a try to connect
>>         through gateways A,B,C after that D,F , after that E,R ,
>>         after that M,N and finally after those K,L.
>>
>>         When the call is trying gateway N then I'm getting the
>>         ERROR:tm:add_uac: maximum number of branches exceeded.
>>
>>         I found on internet that I'm exceeding the MAX_BRANCHES:
>>
>>         branch=t->nr_of_outgoings;
>>         	if (branch==MAX_BRANCHES) {
>>         		LOG(L_ERR, "ERROR:tm:add_uac: maximum number of branches exceeded\n");
>>
>>
>>         		ret=E_CFG;
>>         		goto error;
>>         	}
>>
>>         Froma trace I got , I see that kamailio is sending to each destination IP 8 INVITES and if there is no answer to that is continuing with next destination gateway sending also there 8 INVITES.
>>
>>
>>         When the number of INVITES is 52 then I get this error.
>>
>>         Does anyone can suggest a way to change the MAX_BRANCHES MAX number ?
>>         Is is important to keep open the INVITEs from the first gateways because is an LCR scenario and if I get an answer from these gateways is important to complete through them.
>>
>>
>>
>>         Any help is apreciated
>>
>>         Thanks
>>
>>         Alexandros
>>
>>
>>              
>>
>>
>>
>>
>>     _______________________________________________
>>     Kamailio (OpenSER) - Users mailing list
>>     Users at lists.kamailio.org  <mailto:Users at lists.kamailio.org>
>>     http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
>>     http://lists.openser-project.org/cgi-bin/mailman/listinfo/users
>
>     -- 
>     Daniel-Constantin Mierla
>     *http://www.asipto.com/
>          
>
>

-- 
Daniel-Constantin Mierla
* http://www.asipto.com/

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kamailio.org/pipermail/users/attachments/20091202/4a27f283/attachment.htm>