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

[Victor Chukalovskiy]

Yep, makes sense for sure....and how to accomplish that?


On 04/10/2013 10:28 PM, Ken Rice wrote:
> Re: [Freeswitch-users] Detecting call loops while not relying on the 
> hop counter 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> 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
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