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New Member

how to block fraudulent calls?

Anyone have any idea on how to block fraudulent calls in the CUBE and CallManager?

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Cisco Employee

Hi,There are two methods of

Hi,

There are two methods of doing it-:

  • Applying Access List
  • IOS configuration for trusted IP under voice service voip.

1. You can configure the following access-list based on the protocol and corresponding port.

       acl 101 permit udp any host<x.x.x.x> eq 5060

       acl permit tcp any host<x.x.x.x> eq 5060

       acl 101 deny tcp any any eq 5060

       acl 101 deny udp any any eq 5060

       acl 101 permit ip any any

 

int fa0/0

ip access-group 101 inbound

 

2. You can upgrade least to the following IOS 15.1(2) T , please find the below link-:

http://www.cisco.com/en/US/tech/tk652/tk90/technologies_tech_note09186a0080b3e123.shtml

HTH

Kapil Pathak

New Member

Hi,Try the following links

Hi,

Try the following links:

https://supportforums.cisco.com/discussion/12440851/blocking-calls-specified-ani-number

https://supportforums.cisco.com/document/71966/blocking-calls-based-calling-party-id

 

Thanks

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