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 Post subject: Block callerID w/ A2Billing
PostPosted: Tue Apr 08, 2008 9:05 pm 
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Joined: Sat Apr 05, 2008 10:36 pm
Posts: 6
My VoIP Provider offers callerID blocking on outbound calls with the use of *67. Each of my users have their own SIP trunk they dial out of which is set in A2Billing.

How can I get the *67 to passthru to my provider before dialing the number they want AND get it to work through A2Billing so they get charged for the call AND go out their appropriate trunk?

The only way it will work at the moment is if I set an Outbound Route with dialing rules: *|*67. So they essentially dial **67 + number.


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 Post subject:
PostPosted: Tue Apr 08, 2008 9:23 pm 
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Joined: Thu Jun 22, 2006 2:19 pm
Posts: 2890
Location: Devon, UK
I think this is achievable without too much difficulty.
In the Asterisk dialplan you could have something like:
Code:
[a2billing]
exten => _X.,1,Goto(a2billing-standard,${EXTEN},1)
exten => _*67X.,1,Goto(a2billing-nocid,${EXTEN:3},1)

; 'standard' mode uses [agi-conf1]
[a2billing-standard]
exten => _X.,1,DeadAGI(a2billing.php|1)

; 'nocid' mode uses [agi-conf2]
[a2billing-nocid]
exten => _X.,1,DeadAGI(a2billing.php|2)
and in a2billing.conf add an [agi-conf2] section which withholds the CLI (or forces it to an empty string).


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 Post subject: Couldd
PostPosted: Tue Apr 08, 2008 9:31 pm 
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Joined: Sat Apr 05, 2008 10:36 pm
Posts: 6
you elaborate on the agi-conf2 section plz?


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 Post subject:
PostPosted: Tue Apr 08, 2008 11:03 pm 
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Joined: Thu Jun 22, 2006 2:19 pm
Posts: 2890
Location: Devon, UK
Did you not see the settings 'auto_set_callerid', 'force_callerid' and 'cid_sanitize'?

Added after 6 minutes:

There's a little more info on [agi-confX] sections here.


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 Post subject: Re: Block callerID w/ A2Billing
PostPosted: Fri May 03, 2013 3:46 pm 
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Joined: Sun Dec 27, 2009 8:39 pm
Posts: 80
Quite a bit late to the party, but here's what we just did in our a2billing context

exten => _*67X.,1,NoOp(User is blocking caller ID)
exten => _*67X.,n,SIPAddHeader(Privacy:id)
exten => _*67X.,n,Goto(a2billing,${EXTEN:3},1)

This will set the privacy on, so the other end could still "unblock". Some carriers will reject "blank" caller id, and others will insert their own. In testing this setting with e911 (through our provider) it still allows the proper information was sent. So the idiot that dials *67911 still transmits the number, preventing you from receiving the common $250 rogue 911 call.

Hope this helps,
Carlos.


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