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Apr 01, 2020 12:16

How to manage calls from blacklisted contacts

The Article describes how to block calls from blacklisted contacts via Dialpan.

Created: December 2015

Updated: June 2019

Permalink: https://confluence.wildix.com/x/ooB5Aw

Block calls via Dialplan

Step 1. Phonebook configuration

You can add blacklisted contacts to your phonebooks in different modes: from Collaboration, from the imported backend (MySQL, сsv, etc). Here it is described how to add a contact in Collaboration. 

  • Go to  Collaboration -> Phonebook 
  • Select the desired phonebook and press + to add a new contact
  • Set blacklist as a Type of contact


Consult Collaboration User Guide for detailed information about how to create phonebooks and contacts.

Step 2. Dialplan configuration

  • Create a separate Dialplan procedure for managing calls from blacklisted contacts
  • Configure the behavior of managing these calls. For example, add Hangup application 


  • Go to Dialplan procedure used for managing incoming calls ("main" procedure)
  • Add the applications to check if a call is from a blacklisted contact:
    • Jump to if call type is -> blacklist -> route calls to the previously created Dialplan procedure for blacklisted calls - if a call is from a blacklisted contact, it is dropped
    • Call group -> if it is a normal call, it is routed to a Call group

Alternative Way. Block calls via tagging in Phonebooks and Dialplan

Step 1. Create a dedicated phonebook with blocked users

To define a contact as blacklisted, add [blocked] tag to its name. Detailed information about how to create phonebooks and contacts can be found in Collaboration User Guide.

Note: If a contact is present in other phonebooks, you need to move it to the dedicated phonebook or replace/ rename it in another phonebook. Otherwise, [blocked] tag cannot be applied.

Step 2. Configure Dialplan

Modify Dialplan procedure used for managing incoming calls by adding Dialplan applications:

  • Verify caller -> [blocked] -> Blocked procedure - If caller name contains [blocked] tag, a call is routed to Dialplan procedure created for managing calls from blocked users ("Blocked" in the example)
  • Dial the phone - if caller name does not contain [blocked] tag, a call is routed to this step


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