[asterisk-users] UK ISDN-30 and ANI

[Grygoriy Dobrovolskyy]

2009/3/13 Andrew Thomas <andy at datavox.co.uk>

> I think I understand what you mean now.  The biggest difference between
> CLI and ANI is that ANI can't be blocked/withheld (like you can with CLI
> by using 141).  It also uses different signalling.  This is mainly used
> by law enforcement agencies to trace calls etc.
>
> So, you want the number - regardless of what the user dials.
>
> I presume you are some sort of 'carrier' then.  You'll be lucky to get
> the information otherwise as it throws up all sorts of privacy laws (ie.
> you have to have a damn good reason for wanting it).
>
> BT are the main people to ask I suppose (unless your calls go through
> another main carrier).
>
> I'm not even sure if ANI signalling is implemented in Asterisk - one for
> the config file writers ;).
>
> Cheers
>

I am sure of one thing that i can do a sip trunk with ANI  in our billing
system, not sure how it works, but the option is there ;)
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