In the new dial plan you should disable the rules you don't want others to use and save. After this,
goto the extension configuration page and give the extension adifferent dial plan which
ensuresthe restrictions you made take effect.
3.3 Inbound Control
The Inbound Control section is where you define how the CooVox IPPBX system handles incoming
calls. Typically, you determine the phone number that outside callers have called (DID Number)
and then indicate which extension, Ring Group, Voicemail, or other destination to which the call
should be directed.
3.3.1 Inbound Destinations
A call destination in CooVox IPPBX system might be an IVR menu that instructsthe callers to press
certaindigits to route their calls, a queue to wait for specific telephone services, a ring group to
call a number of user extensions, or virtually any other type of process to route the call in
whatever way is desired. A call may have several destinations throughout its lifespan.
Below is a list of call destinations available in CooVox IPPBX system:
Extension
Voicemail
IVR
Ring Group
Paging Group
Conference
Call Queue
DISA