[sr-dev] Fwd: Create multiple profiles using dialog module

Rahul MathuR rahul.ultimate at gmail.com
Fri Jun 6 03:28:04 CEST 2014


Hello Carlos,

Did you get a chance to look at the attached configuration file ?


Warm Regds,
Rahul Mathur


On Thu, Jun 5, 2014 at 2:46 PM, Rahul MathuR <rahul.ultimate at gmail.com>
wrote:

> Hi Carlos,
>
> Please find attached the configuration file which I am using.
> Kindly refer route[CNXCC] where I have tried to put the channel limitation
> per SIP Server.
>
>
> Thanks !
>
>
> On Wed, Jun 4, 2014 at 3:07 PM, Carlos Ruiz Díaz <
> carlos.ruizdiaz at gmail.com> wrote:
>
>> Can you share your configuration file?
>>
>>
>> On Wed, Jun 4, 2014 at 1:03 AM, Rahul MathuR <rahul.ultimate at gmail.com>
>> wrote:
>>
>>> HI Carlos,
>>>
>>> Thanks for reply.
>>>
>>> In my case the key is SIP Server IP. My kamailio Proxy is connected to
>>> many sip server IPs say 5. I want to limit maximum channels per sip server
>>> ip. So I set max channels per sip server ip as
>>> cnxcc_set_max_channels("$var(client1)", "$var(max_chan)"); and my
>>> $var(client1) = "10.97.116.36"; is one of 5 sip servers connected to
>>> Kamalio.
>>>
>>> Now I use your cnxcc_get_channel_count("$rd", "$var(count1)"))
>>> value(count1) to compare to the max_limit of the channels allowed for this
>>> sip server. Psuedo Variable $rd is coming correctly that is same as sips
>>> erver IP[$var(client1)].
>>> But the problem is that cnxcc_get_channel_count("$rd", "$var(count1)"))
>>> is always setting the value 1 in $var(count1) variable even though there
>>> are more calls runnning than what was set to be max_chan (which was 100 in
>>> my case).
>>>
>>> Any pointers to achieve this matter ?
>>>
>>>
>>>
>>>
>>>
>>> On Tue, Jun 3, 2014 at 2:18 PM, Carlos Ruiz Díaz <
>>> carlos.ruizdiaz at gmail.com> wrote:
>>>
>>>> Hi Rahul,
>>>>
>>>> I don't understand your example. In that case, you are always using "10.97.116.36"
>>>> as key, meaning that all calls will be hanging from same root.
>>>>
>>>> If you want to use the request-uri domain part, use $rd, not the full
>>>> $ru. This will of course lead to 1 call being reported always, since
>>>> request-URIs tend to be different from each other.
>>>>
>>>> Regards,
>>>> Carlos
>>>>
>>>>
>>>>
>>>>
>>>> On Tue, Jun 3, 2014 at 7:01 AM, Rahul MathuR <rahul.ultimate at gmail.com>
>>>> wrote:
>>>>
>>>>> Hi Carlos,
>>>>>
>>>>> Sorry for coming late on this one.
>>>>>
>>>>> the ruri value in my example is '10.97.116.36'
>>>>> and i have tried to configure kamailio to only cater 100 simultaneous
>>>>> calls on this SIP Server (10.97.116.36), after that it is to send 403.
>>>>>
>>>>> Below is the sample logic from kamailio.cfg
>>>>>
>>>>> ***********************************************************************************************************************
>>>>>   #Below lines to show an example of how I am maintaining the business
>>>>> for Concurrent Call Restriction
>>>>>   route[CNXCC]
>>>>>   {
>>>>>
>>>>>           $var(client1)           = "10.97.116.36";
>>>>>    $var(max_chan)   = 100;
>>>>>   #!ifdef CNXCC_CHANNEL
>>>>>           xlog("L_INFO", "Setting up channel based credit control");
>>>>>
>>>>>           $var(max_chan1) = 0;
>>>>>           $var(retcode)   = cnxcc_set_max_channels("$var(client1)",
>>>>> "$var(max_chan)");
>>>>>
>>>>>           if ($var(retcode) == -1) {
>>>>>                   xlog("Error setting up credit control");
>>>>>                   return;
>>>>>           }
>>>>>
>>>>>           $var(count1)     = -1;
>>>>>
>>>>>           if (!cnxcc_get_channel_count("$rd", "$var(count1)")) {
>>>>>                   xlog("Error getting customer's channel count");
>>>>>           }
>>>>>           xlog("RAHUL : CNXCC ROUTE: $var(client1) has $var(count1)
>>>>> call(s)");
>>>>>           xlog("L_INFO", "CNXCC ROUTE: $var(client1) has $var(count1)
>>>>> call(s)");
>>>>>
>>>>>
>>>>>           if ($var(count1) == $var(max_chan1)) {
>>>>>                   xlog("Too many channels for customer");
>>>>>                   sl_send_reply(403, "Forbidden");
>>>>>
>>>>>                    exit;
>>>>>           }
>>>>>   #!endif
>>>>>
>>>>> ******************************************************************************************************************************************************
>>>>>
>>>>> Now the problem that I am facing is that with multiple UACs (all with
>>>>> same ruri - 10.97.116.36) dialing some pstn numbers, the value of "count1"
>>>>> remains 1 for all cases. Hence, my purpose is defeated because the
>>>>> restriction is not being laid and more than 'max_chan' no. of callers are
>>>>> able to make the call.
>>>>>
>>>>> Could you please help me achieve this goal.
>>>>>
>>>>> Thanks !
>>>>>
>>>>>
>>>>>
>>>>> On Sat, May 17, 2014 at 2:22 AM, Carlos Ruiz Díaz <
>>>>> carlos.ruizdiaz at gmail.com> wrote:
>>>>>
>>>>>> max_chan is equal to zero? You should put a positive value in here in
>>>>>> order to make sense the function call.
>>>>>>
>>>>>> Also, you are using for one call the ID "x.y.z.a", and for the other
>>>>>> one $rd. Both should be the same for calls that suppose to be organized in
>>>>>> the same group.
>>>>>>
>>>>>> Please take a look at the docs.
>>>>>>
>>>>>>
>>>>>> On Fri, May 16, 2014 at 7:52 PM, Rahul MathuR <
>>>>>> rahul.ultimate at gmail.com> wrote:
>>>>>>
>>>>>>> Further, from the logs it seems that cnxcc_set_max_channels is
>>>>>>> returning -1 and I have no idea why it is failing.
>>>>>>>
>>>>>>>
>>>>>>> On Sat, May 17, 2014 at 5:48 AM, Rahul MathuR <
>>>>>>> rahul.ultimate at gmail.com> wrote:
>>>>>>>
>>>>>>>> Hello Carlos,
>>>>>>>>
>>>>>>>> Many thanks for your help.
>>>>>>>> I followed the steps you mentioned for CNXCC. But even after making
>>>>>>>> the max. calls to 0, I am still able to connect the call. Below is the
>>>>>>>> excerpt from kamailio.cfg
>>>>>>>>
>>>>>>>> request_route {
>>>>>>>> setflag(DLG_FLAG);
>>>>>>>> # per request initial checks
>>>>>>>> route(REQINIT);
>>>>>>>> # NAT detection
>>>>>>>> route(NATDETECT);
>>>>>>>> .
>>>>>>>> .
>>>>>>>> .
>>>>>>>>
>>>>>>>>         if (is_method("INVITE")) {
>>>>>>>>                 route(CNXCC);
>>>>>>>>         }
>>>>>>>> }
>>>>>>>>
>>>>>>>> #Below lines added by Rahul for Concurrent Call Restriction
>>>>>>>> route[CNXCC]
>>>>>>>> {
>>>>>>>>
>>>>>>>>         $var(client1)           = "x.y.z.a";
>>>>>>>>
>>>>>>>> #!ifdef CNXCC_CHANNEL
>>>>>>>>         xlog("L_INFO", "Setting up channel based credit control");
>>>>>>>>
>>>>>>>>         $var(max_chan1) = 0;
>>>>>>>>         $var(retcode)   = cnxcc_set_max_channels("$var(client1)",
>>>>>>>> "$var(max_chan)");
>>>>>>>>
>>>>>>>>         if ($var(retcode) == -1) {
>>>>>>>>                 xlog("Error setting up credit control");
>>>>>>>>                 return;
>>>>>>>>         }
>>>>>>>>
>>>>>>>>         $var(count1)     = -1;
>>>>>>>>
>>>>>>>>         if (!cnxcc_get_channel_count("$rd", "$var(count1)")) {
>>>>>>>>                 xlog("Error getting customer's channel count");
>>>>>>>>         }
>>>>>>>>         xlog("RAHUL : CNXCC ROUTE: $var(client) has $var(count)
>>>>>>>> call(s)");
>>>>>>>>         xlog("L_INFO", "CNXCC ROUTE: $var(client) has $var(count)
>>>>>>>> call(s)");
>>>>>>>>
>>>>>>>>         if ($var(count1) == $var(max_chan1)) {
>>>>>>>>                 xlog("Too many channels for customer");
>>>>>>>>                 sl_send_reply(403, "Forbidden");
>>>>>>>>
>>>>>>>>                 #if (!cnxcc_terminate_all("$var(client)")) {
>>>>>>>>                 #       xlog("Error terminating customer's calls");
>>>>>>>>                 #}
>>>>>>>>
>>>>>>>>                 exit;
>>>>>>>>         }
>>>>>>>> #!endif
>>>>>>>>
>>>>>>>>
>>>>>>>> Could you please guide me where am I doing wrong ?
>>>>>>>>
>>>>>>>>
>>>>>>>> On Sat, May 17, 2014 at 3:01 AM, Carlos Ruiz Díaz <
>>>>>>>> carlos.ruizdiaz at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Any pseudo variable should work.
>>>>>>>>>
>>>>>>>>> I don't exactly know how your business work, but I'd suggest that
>>>>>>>>> instead of using from header domain, use the domain part of the
>>>>>>>>> request-uri, $rd.
>>>>>>>>>
>>>>>>>>> Regards,
>>>>>>>>> Carlos
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Fri, May 16, 2014 at 4:28 PM, Rahul MathuR <
>>>>>>>>> rahul.ultimate at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> Thank you very much Carlos !
>>>>>>>>>>
>>>>>>>>>> One last thing, can I use $fd in cnxcc_set_max_channels as below
>>>>>>>>>> -
>>>>>>>>>> cnxcc_set_max_channels("$fd", "$var(max_chan)");
>>>>>>>>>> to restrict the simultaneous calls hitting a particular domain ?
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Sat, May 17, 2014 at 2:03 AM, Carlos Ruiz Díaz <
>>>>>>>>>> carlos.ruizdiaz at gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> Create a profile [1], and count the number of calls of that
>>>>>>>>>>> profile [2].
>>>>>>>>>>>
>>>>>>>>>>> Alternatively, you can use cnxcc module [3].
>>>>>>>>>>>
>>>>>>>>>>> [1]
>>>>>>>>>>> http://kamailio.org/docs/modules/stable/modules/dialog.html#idp1919576
>>>>>>>>>>> [2]
>>>>>>>>>>> http://kamailio.org/docs/modules/stable/modules/dialog.html#idp1964064
>>>>>>>>>>> [3]
>>>>>>>>>>> http://kamailio.org/docs/modules/stable/modules/cnxcc.html#idp132608
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Fri, May 16, 2014 at 3:28 PM, Rahul MathuR <
>>>>>>>>>>> rahul.ultimate at gmail.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> *Hello,*
>>>>>>>>>>>>
>>>>>>>>>>>> *Please accept my apologies for asking a simple question - Is there any example which shows how can I create the dialog profile **value based on the SIP domain or SIP Server IP (IP like- 112.23.134.5). I** need to control many SIP Server IPs with limited channels to each with my** Kamailio Proxy.*
>>>>>>>>>>>>
>>>>>>>>>>>> *I am a newbie to kamailio world.*
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> *-- Warm Regds.MathuRahul*
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>> sr-dev mailing list
>>>>>>>>>>>> sr-dev at lists.sip-router.org
>>>>>>>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> --
>>>>>>>>>>> Carlos
>>>>>>>>>>> http://caruizdiaz.com
>>>>>>>>>>> http://ngvoice.com
>>>>>>>>>>> +52 55 3048 3303
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> sr-dev mailing list
>>>>>>>>>>> sr-dev at lists.sip-router.org
>>>>>>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> Warm Regds.
>>>>>>>>>> MathuRahul
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> sr-dev mailing list
>>>>>>>>>> sr-dev at lists.sip-router.org
>>>>>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Carlos
>>>>>>>>> http://caruizdiaz.com
>>>>>>>>> http://ngvoice.com
>>>>>>>>> +52 55 3048 3303
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> sr-dev mailing list
>>>>>>>>> sr-dev at lists.sip-router.org
>>>>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Warm Regds.
>>>>>>>> MathuRahul
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Warm Regds.
>>>>>>> MathuRahul
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> sr-dev mailing list
>>>>>>> sr-dev at lists.sip-router.org
>>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Carlos
>>>>>> http://caruizdiaz.com
>>>>>> http://ngvoice.com
>>>>>> +52 55 3048 3303
>>>>>>
>>>>>> _______________________________________________
>>>>>> sr-dev mailing list
>>>>>> sr-dev at lists.sip-router.org
>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Warm Regds.
>>>>> MathuRahul
>>>>>
>>>>> _______________________________________________
>>>>> sr-dev mailing list
>>>>> sr-dev at lists.sip-router.org
>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Carlos
>>>> http://caruizdiaz.com
>>>> http://ngvoice.com
>>>> +52 55 3048 3303
>>>>
>>>> _______________________________________________
>>>> sr-dev mailing list
>>>> sr-dev at lists.sip-router.org
>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
>>>>
>>>>
>>>
>>>
>>> --
>>> Warm Regds.
>>> MathuRahul
>>>
>>> _______________________________________________
>>> sr-dev mailing list
>>> sr-dev at lists.sip-router.org
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
>>>
>>>
>>
>>
>> --
>> Carlos
>> http://caruizdiaz.com
>> http://ngvoice.com
>> +52 55 3048 3303
>>
>> _______________________________________________
>> sr-dev mailing list
>> sr-dev at lists.sip-router.org
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
>>
>>
>
>
> --
> Warm Regds.
> MathuRahul
>



-- 
Warm Regds.
MathuRahul
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