[Serusers] Call limiting ?

[Jiri Kuthan]

At 10:00 08/08/2006, Klaus Darilion wrote:
>Jiri Kuthan wrote:
>>You can write a ser script to implement session timer, we have indeed done that.
>
>Does that really work?

yes

> Do you send reINVITEs from the SIP proxy? 

no. it would not be a proxy anymore then.
we just change the SIP messages in a way which stimulates PSTN gateways to use
session timers.

-jiri

>Wouldn't then you have to change the CSeq of requests sent by the clients?
>
>regards
>klaus
>
>>That still does not give you access to call state. You would have to write own module which keeps it and hope that session timer will provide needed reliability
>>(which may not be always the case).
>>-jiri
>>At 12:26 01/08/2006, Alexandre Snarskii wrote:
>>
>>>Hi!
>>>
>>>As far as I know, SER does not have functionality of limiting
>>>number of calls on per-user basis. It was discussed years ago,
>>>and the reason for that was "We don't have ability to know is call
>>>still alive" (http://lists.iptel.org/pipermail/serusers/2004-November/013035.html)
>>>
>>>But, in April 2005, RFC 4028 (Session Timers in SIP) appeared, and
>>>it (at least theoretically) can be utilised to achieve knowlege of active dialogs, and, as result - on number of active calls. 
>>>And this RFC looks like supported on Cisco gateways: 
>>>U X.X.X.X:59104 -> X.X.X.X:5060
>>>INVITE sip:aaaaaaa at X.X.X.X:5060 SIP/2.0.
>>>Supported: 100rel,timer,replaces.
>>>                 ^^^^^
>>>Min-SE:  1800.
>>>^^^^^^^^^^^^^^
>>>User-Agent: Cisco-SIPGateway/IOS-12.x.
>>>
>>>Question: is this RFC/functionality planned to be supported in SER ? If not - are there any good intro on "How to write SER module by yourself" ? :) 
>>>_______________________________________________
>>>Serusers mailing list
>>>Serusers at lists.iptel.org
>>>http://lists.iptel.org/mailman/listinfo/serusers
>>--
>>Jiri Kuthan            http://iptel.org/~jiri/ 
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>
>--
>Jiri Kuthan            http://iptel.org/~jiri/