Blocking Number

[elite2010]

Hi ,

How to block spam callers in call manager 

Thanks

[Jaime Valencia]

How to block calls has been discussed hundreds of times before at CSC and there's a lot of documentation on the topic, have you reviewed any of those?

[Brandon Buffin]

Depends on the type of gateway. Take a look at the following post.

https://community.cisco.com/t5/collaboration-voice-and-video/technotes-how-to-block-incoming-calls-in-cucm-8-x-based-on-ani/ta-p/3124389

Brandon

[piyush aghera]

Below link explains blocking at CUCM level:

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

https://community.cisco.com/t5/collaboration-voice-and-video/blocking-calls-based-on-calling-party-id/ta-p/3113978/page/8