Is it possible to block internal calls in 3cx

[aslampa]

We are looking for a feature to block internal calls for extension or department wise. Is it possible

 

[leejor]

You could by using the internal dialplan of the set, depending on the model. You could then restrict digit patterns and block before being set to 3CX. Other than that, all dial restrictions, are based on outbound rules, not internal calls.

 

[cobaltit]

What is the use case you are trying to accomplish. If you are trying to multi-tenant on a single instance, don't

 

[VoIPTools]

You could write a service that monitors all calls (using the 3CX Call Control API) and if you see a call initiated between two extensions that are not permitted to call one another, drop the call.