Re: CcIE Voice Hacking

From: Radioactive Frog (pbhatkoti@gmail.com)
Date: Thu Aug 14 2008 - 21:13:55 ART


Hi there,
It seems this is the real live case of 'Toll Fraud". The config you've sent
is H323 gateway and perhaps this gateway is added in CCM4.x.

To avoid this, make sure

On CCM
-------------
1. in service parameter, set offnet-to-offnet parameter to false
2. create a partion and put that partion in a CSS [name it toll-fraud]
3. assign CSS-toll-fraud css to all phones under line option in
call-forward, busy VM etc.
4. Mark all CCM route patterns to Offnet for all patterns which are going to
PSTN. e.g. 911 or 011 intl or whaever.
5. If thre is unity server involved, make sure you mask the call-forward
options [assign css_toll-fraud on that] on all ccm to unity ports.

On CME:
------------
1. Send the config and scenario the based on that you may need to mask the
call-forward and call-transfer patterns.

-Frog
CCIE voice#21569

Blogs and organic groups at http://www.ccie.net



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