[Freeswitch-users] Detecting call loops while not relying on the hop counter

[Victor Chukalovskiy]

Great, thanks...I missed that part of the WiKi

Does it mean that after specified time interval FS will purge expired 
records from the hash table?


On 13-04-11 02:30 PM, Avi Marcus wrote:
> example:
>
> http://wiki.freeswitch.org/wiki/Limit#Rate_Limiting_calls_.2F_Anti_SPIT
>
> -Avi Marcus
> BestFone
>
>
> On Thu, Apr 11, 2013 at 8:28 PM, Victor Chukalovskiy 
> <victor.chukalovskiy at gmail.com <mailto:victor.chukalovskiy at gmail.com>> 
> wrote:
>
>     Ken or anyone else, do you know how to set limit for 5 seconds only?
>
>     Sorry for the double-post.
>
>
>     On 13-04-10 10:28 PM, Ken Rice wrote:
>>     A better way to do this is limit this during a period of time,
>>     say 5 per second, when calls loop they tend to loop up very quickly
>>
>>
>>     On 4/10/13 9:23 PM, "Victor Chukalovskiy"
>>     <victor.chukalovskiy at gmail.com
>>     <http://victor.chukalovskiy@gmail.com>> wrote:
>>
>>           Hello,
>>
>>          I have a scenario where FS routes hundreds of calls and loop
>>         detection is needed. Adding to that, I can't rely on hop
>>         counter being decremented by other network elements. I can
>>         use limit in the following fashion:
>>
>>          <action application="limit" data="hash loop_test
>>         ${caller_id_number}${destination_number} 10
>>         !NORMAL_CIRCUIT_CONGESTION"/>
>>
>>          So, whenever I have 10 calls with the same calling and
>>         called party number combination, limit will kick-in and break
>>         the loop.
>>
>>         *Question*: Is this efficient from the perspective of how
>>         "limit" and hash back-end work? Once I have a few thousand
>>         calls, all having unique "resource" will this become resource
>>         hungry?
>>          My main concern is that it will create hundreds of hash
>>         entries all having the same realm but unique resource.
>>
>>          Anyone knows a better solution?
>>
>>          Thank you,
>>          Victor
>>
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>>     -- 
>>     Ken
>>     _http://www.FreeSWITCH.org
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