Hello,even in the last IF, the double-quotes have to be removed around "$null" -- just compare with $null, because doublequotes there enforces a static string.
On 09/06/14 16:54, Carlos Ruiz Díaz wrote:
Hi Rahul,
if($var(client1)!="null") should be if($var(client1)!="$null")
Cheers,
Daniel
. You are doing a string comparison with the string value "null".
Also make sure the dialog matching is correct: append these event routes to your config file:
event_route[dialog:start] {xlog("Dialog started");}
event_route[dialog:end] {xlog("Dialog ended");}
event_route[dialog:failed] {xlog("Dialog failed");}
You should see a "dialog started" and "dialog ended" for every successful call.
Please do those modifications and see what happens.
Regards,Carlos
On Mon, Jun 9, 2014 at 6:55 AM, Rahul MathuR <rahul.ultimate@gmail.com> wrote:
Hello Carlos,Were you able to look at my configuration file ?Thanks !
On Fri, Jun 6, 2014 at 5:04 AM, Carlos Ruiz Díaz <carlos.ruizdiaz@gmail.com> wrote:
Hi Rahul,
sorry, I couldn't find time to do it. I will take a look tomorrow, or most possibly during the weekend.
Regards,Carlos
On Thu, Jun 5, 2014 at 8:28 PM, Rahul MathuR <rahul.ultimate@gmail.com> wrote:
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@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@gmail.com> wrote:
Can you share your configuration file?
On Wed, Jun 4, 2014 at 1:03 AM, Rahul MathuR <rahul.ultimate@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@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@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_CHANNELxlog("RAHUL : CNXCC ROUTE: $var(client1) has $var(count1) call(s)");
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("L_INFO", "CNXCC ROUTE: $var(client1) has $var(count1) call(s)");exit;
if ($var(count1) == $var(max_chan1)) {
xlog("Too many channels for customer");
sl_send_reply(403, "Forbidden");
}
#!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@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@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@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 checksroute(REQINIT);# NAT detectionroute(NATDETECT);
...
if (is_method("INVITE")) {route(CNXCC);}}
#Below lines added by Rahul for Concurrent Call Restrictionroute[CNXCC]{
$var(client1) = "x.y.z.a";
#!ifdef CNXCC_CHANNELxlog("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@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@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 ?
Warm Regds.
On Sat, May 17, 2014 at 2:03 AM, Carlos Ruiz Díaz <carlos.ruizdiaz@gmail.com> wrote:
Create a profile [1], and count the number of calls of that profile [2].
Alternatively, you can use cnxcc module [3].
On Fri, May 16, 2014 at 3:28 PM, Rahul MathuR <rahul.ultimate@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
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MathuRahul
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MathuRahul
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