This option shows up only when "By DID" is selected.
Disable: Only the selected Extensions or Extension Groups are
allowed to use this rule, when enabled Filter on Source Caller ID.
Internal: The lowest level required. All users are allowed to use this
rule, check this level might be risky for security purpose.
Local: User with Local level, National or International level are
allowed to use this rule.
National: Users with National or International Level are allowed to
use this rule.
International: The highest level required. Only users with
international level are allowed to use this rule.
This option shows up only when "By DID" is selected. This controls the
destination that can be reached by the external caller via the inbound route.
The DID destination are:
Extension
Conference
Call Queue
Ring Group
Paging/Intercom Groups
IVR
Voicemail Groups
Fax Extension
Dial By Name
All