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Discussion in '3CX Phone System - General' started by Help Desk, Mar 29, 2018.
Is there any way to block ALL external calls for an extension except for 1 number?
You can disable external calls for an extension. Emergency numbers are exempt. Alternatively you can create an outbound rule for the extension that allows the one number and another rule that blocks all calls. Put the allow rule above the block rule.
This worked perfectly.
Thanks so much!