block calls

  1. Block Extension from registering in App

    Hi, We are using a 3CX V20 Debian install. Is there a way to block the extensions from registering in the Android App? During the covid time, we had provided everyone with access to Android App to make and receive calls. Now, the organization wants all that access to be removed. I remember...

  2. Block calls between departments

    We are considering setting up a multi-tenancy 3CX instance to group our smaller, less than 8 extension, customers together into one multi-tenant instance. I have configured a second department, created a test call queue and set up a test extension. I have assigned the queue and extension to...

  3. Solved Block calls based on P-Asserted-Identity

    Hello, PBX version 18.0.237 hosted on Linux in Azure. We have been receiving nuisance calls where the number appears to be withheld: From: "anonymous" <sip:[email protected]>;tag=16CEC0D2-61779D5F000C8F72-D19E7700 But a caller ID still appears in the P-Asserted-Identity field...

  4. Block Outbound Calls

    Hi, would anyone be able to offer the best solution to block outbound calls to certain numbers without having to set a specific outbound rule for each number? Use case example is that a company has a list of numbers who have asked not to be called or subscribes to CTPS with 1000s of numbers...

  5. Block incoming call per country

    Hi, Does anybody know how to block a whole country from calling in? Would for instance 0044* block the whole uk? or **44? What would be the correct syntax? Thank you in advance Ed
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