[Kamailio-Users] using dialog to limit concurrent call, and limit monthly limits

[mayamatakeshi]

On Wed, Apr 15, 2009 at 12:53 PM, Jinsong Hu <jinsong_hu at hotmail.com> wrote:
> I pasted this with 1.5 kamailio, and loaded module dialog.so, the script
> doesn't even work.
> I suspect it is because "$var(SIZE)"
> so I loaded avpops.so, it doesn't help.
>
> I then searched http://kamailio.org/docs/modules/1.5.x/dialog.html
> and found
>
> get_profile_size("inbound_call","$avp(size)");
> xlog("currently there are $avp(size) inbound calls\n");
> ..
> get_profile_size("caller","$fu");
> xlog("currently, the user %fu has $avp(size) active outgoing calls\n");
> I pasted this to the script, still have problem:# /etc/init.d/kamailio
> restart | grep ERRORApr 15 03:45:14 [4666] ERROR:core:main: bad config file
> (4 errors)looks the problem is also $avp(size) is not defined. doesn anybody
> knows how to get this solved ?Jimmy.

Hello,
please try to put
$var(SIZE) = 0;
before the previous code snippet.
Also, be aware that I'm still using kamailio 1.4 so you may encounter
other issues as I have not tested it with 1.5.

regards,
takeshi

>
> ----- Original Message ----- From: "mayamatakeshi" <mayamatakeshi at gmail.com>
> To: "Jinsong Hu" <jinsong_hu at hotmail.com>
> Cc: <users at lists.kamailio.org>
> Sent: Saturday, April 11, 2009 8:29 PM
> Subject: Re: [Kamailio-Users] using dialog to limit concurrent call, and
> limit monthly limits
>
>
> On Sat, Apr 11, 2009 at 3:44 PM, Jinsong Hu <jinsong_hu at hotmail.com> wrote:
>>
>> 2. people can use a single username/password , but uses it as a trunk, so
>> they run multiple channels of voice call . With this they can run up
>> thousands of dollars of bills on the kamailio owner. There are suggestion
>> that we use dialog module to limit it. However no sample code is given.
>> this is a sample code I googled:
>> if ( avp_check("$DLG_count", "gt/i:10") ) {
>> sl_send_reply("403","no more calls accepted");
>> exit;
>> }
>> but looks DLG_count is a global variable. Does any body have a better
>> example ?
>
> Hello,
> here's an example limiting the number of simultaneous calls for each user:
>
> get_profile_size("caller", "$fu", "$var(SIZE)");
> if( $var(SIZE) >= MAX_NUMBER_OF_CALLS ){
> sl_send_reply("503", "Simultaneous calls limit reached");
> exit;
> }
> set_dlg_profile("caller","$fu");
>
>