[Serusers] Re: [Serdev] Radius accounting unreliable

[Adrian Georgescu]

I realize now that the triplet has tags from both user agents so it 
should be safe enough.

Thanks Jiri

Adrian

On Jun 3, 2004, at 1:11 AM, Jiri Kuthan wrote:

> At 03:37 PM 6/2/2004, Adrian Georgescu wrote:
>> We do that "as a dirty trick " but looking in my statistics those 
>> tags are repeating themselves at a far higher rate than Radius ids. 
>> It seems a matter of luck of having a unique combination.
>
> I don't think that including tags is a dirty trick. Dialogs are 
> idenfitied by
> triple callid-fromtag-totag, an INVITE may initiate multiple dialogs, 
> and keeping
> the information complete is clean. This information should be 
> relatively unique
> even if UAC fails to generate random values -- callee's From tag will 
> be good then.
>
>> If Acct-Unique-Session-Id had been unique it would solve the problem 
>> at RADIUS server level independent of broken UAs who are reusing 
>> Acct-Session-Id (the SIP call id).
>>
>> Do you know where is the Acct-Unique-Session-Id generated, is it 
>> radius client or SER ?
>
> I'm not sure.
>
> -jiri
>