[asterisk-users] CALEA support within asterisk?

[J. Oquendo]

Rich Adamson wrote:
> As the OP of this thread, I'm involved with an itsp operation that 
> includes asterisk with links to regional/national itsp facilities, 
> PRI's to local pstn facilities, and broadband sip/iax connections to 
> residence and business customers. I don't think the legalese will be 
> justification for not providing calea support.
You're right for that matter due to your status as a provider. Well I 
work @ a provider I never name and we are using Netrake's nCite which is 
compliant.
> So, my initial guess is that some "box" will be required (probably one 
> provided by law enforcement, or, one that meets technical calea specs 
> that must be purchased and installed) that accepts official and secure 
> calea transactions (from law enforcement), and forwards those 
> requested tranactions to asterisk in some form or another. To further 
> advance that "guess", calea transactions may simply request certain 
> cdr detail and/or might involve setting up a real-time call monitoring 
> function forwarding audio to the requested calea agency. There is 
> likely some sort of internal logging and reporting function that can 
> be used as a form of "checks and balances" in subsequent court cases, 
> etc.
>
> If those "guesses" are anywhere near realistic, then I'd further guess 
> that some asterisk app would need to be written to handle at least a 
> portion of the calea tranactions.

There you have my two cents on this. Most SBC's should be compliant. As 
for the audio streams, someone using TLS/SIP renders that irrelevant.

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J. Oquendo
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sil . infiltrated @ net http://www.infiltrated.net 

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