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Call Blocking enables you to configure project-specific rules that filter calls based on your specified criteria. This can be as granular as blocking a specific number from being able to call your numbers, to blocking all calls on a project. Here‘s how to configure it.

 

call-blocking.png

 

 

 

Rule name

 

You can configure multiple rules within your project. To keep them organized, assign each rule a unique identifying name.

 

Direction

 

The rule's direction determines whether it applies to calls originating from or terminating at your SIP infrastructure. This direction is always defined from your SIP infrastructure's perspective. For example, 'Inbound' refers to calls from the Elastic SIP Trunking Service or PSTN directed towards your infrastructure. Conversely, 'Outbound' refers to calls your infrastructure sends to the Elastic SIP Trunking Service.

 

Matching criteria

 

The final step in creating a rule is to specify the matching criteria.

 

  • All Numbers – This criterion should be used if you wish to completely shut down all calls in a specific direction. For example, an inbound call center may want to disallow outbound calling completely.
  • Numbers beginning with – This option will allow you to create a criterion which will block numbers beginning with the match pattern. For example, you could disallow calling to a specific NPA (Numbering Plan Area). Additionally, you can specify a full phone number here to block a specific individual from calling your numbers.
  • Country – This criterion will allow you to specify a country. If applied to outbound calls, this will completely disallow calls to be made to that country. This rule will take precedence over your Country Permissions entry for that country.

 

Version history
Last update:
‎08-01-2025 08:04 AM
Updated by: