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

[Jinsong Hu]

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.

----- 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");