Re: [Serusers] SER and Radius, call control question. - sr-users

11 Feb 2005

What do you mean by the state of the call? Where in a sip header is that 
indicated?

Daniel-Constantin Mierla wrote:

...
  SER does not keep the state of the call, so it cannot
cut the call. 
 You need a back-to-back user agent to do that. The previous mail was 
 about controlling the call before ringing the callee, based on 
 caller's profile.

 Vovida has an implementation of b2bua, but I never tried and I do not 
 know whether one can control it via Radius or not. To do it only with 
 ser you need to develop a new module to keep the state of the call.

 Daniel

 On 02/10/05 21:57, Tom Gaudasinski wrote:

  Ok, so you're saying that the only way to do
this is through the auth 
 module? Any chance there can be something along the lines of a 
 prepaid system done with SER? a constant query to radius and when 
 call credits are exhausted, radius tells SER to cut the call?

 Daniel-Constantin Mierla wrote:

  you can group the users so you know who is
allowed to call or not a 
 certain destination. For RADIUS you have to use group_radius to 
 check user group membership. An example of how to allow/deny local, 
 long distance, international calls you can find in the examples 
 directory -- online on cvs at:

http://cvs.berlios.de/cgi-bin/viewcvs.cgi/ser/sip_router/examples/pstn.cfg?…

 It uses the group module with database backend -- you would need to 
 replace module "group" with "group_radius".

 acc_*() methods are only for accounting purposes.

 Daniel

 On 02/10/05 20:30, Tom Gaudasinski wrote:

  Greetings,
    I'd like to know a few things. First, can SER control whether a 
 call is connected or not through radius? For example, SER contacts 
 radius and radius returns whether the user is allowed to make the 
 call or not, then SER dials out or not depending on the answer. So 
 this could be per destination and per user, some users not being 
 able to call to certain destinations. Is this possible? If so, 
 could someone provide a small example. Also I'd like to know what 
 acc_rad_request() returns, is it a bool? What is it's purpose, does 
 it help with the formentioned problem, or is this acc_rad only to 
 do with CDR style data dumping?

 Thank you.

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