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@gmail.com mailto:rebel.pappas@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

---

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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@gmail.com mailto:miconda@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@gmail.com <mailto:rebel.pappas@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@lists.kamailio.org  <mailto:Users@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/

On 12/2/09 6:15 PM, alex pappas wrote:

That was the SOLUTION,

I had configure in my FAILURE route *append_branch();* (in the configuration that Panagiotis gave me ;-) ) and also the *ds_append_branch* had the default value *1*. When I changed the *ds_append_branch=0 *i had NO errors.

I got also a trace to be sure and everything looks good now! In the trace i see again many INVITEs but this time I don't get any error. I understand that in the failure route with my original settings I was appending actually 2 new branches , but that was the problem or something else? Can you explain why that happen ?

yes, same destination was added more than once. You can trace the number of branches created by tm looking at top Via header in forwarded INVITE, branch parameter, last number (after dot).

Cheers, Daniel

On Wed, Dec 2, 2009 at 6:49 PM, Daniel-Constantin Mierla <miconda@gmail.com mailto:miconda@gmail.com> wrote:

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@gmail.com <mailto:miconda@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@gmail.com <mailto:rebel.pappas@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@lists.kamailio.org  <mailto:Users@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/

---

Kamailio (OpenSER) - Users mailing list Users@lists.kamailio.org http://lists.kamailio.org/cgi-bin/mailman/listinfo/users http://lists.openser-project.org/cgi-bin/mailman/listinfo/users