Planning and Installation Guide Chapter 7: Network Call Routing
7.3.1 Call Permissions
Each dialed number is compared against the user’s call permissions. If the call is denied, the
calling party will be routed to a “fast busy” intercept tone. If the call is allowed, the routing
To define call permissions:
Step 1 Open the Call Permissions edit page (Figure 7-1).
Step 2 Select the Scope. Scope allows you to set a general permission level and is
presented from the most restrictive to the most permissive. The Restrictions
and Permissions listed are applied in addition to the general scope setting for
the Class of Service.
Internal Only allows calls only to internal extensions and to the configured
Local Only allows calls only to local or additional local area codes, as
defined on the site edit page. The call permission does not apply to any of
the trunk group area codes.
National Long Distance also allows calls to long-distance numbers within
the country, as defined on the Site edit page.
National Mobile allows calls to mobile phones in countries (e.g. Ireland)
with “caller pays” billing plans.
International Long Distance also allows calls to international numbers, as
defined on the Site edit page.
All Calls allows calls to any number, including 1900, Operator Assisted,
and Carrier Select numbers, as well as use of Vertical Service Codes. This is
Step 3 Enter restriction and permission rules. The Restrictions and Permissions listed
are applied in addition to the general scope setting. The comma separated
restriction expressions are limited to a total of 50 characters.
Follow these guidelines for entering restrictions:
In general, numbers must be entered in canonical format including the
international designation “+” and country code. For example, to restrict
Figure 7-1 Call Permissions Edit Page