Creation of Calling Restrictions and
Configuration of Dial Plan Groups
Within Cisco CallManager, you can create calling restrictions on a per telephony
device, or create closed dial plan groups (as long as they fall within the same
Cisco CallManager).What this means is that users that reside within the same
Cisco CallManager can be grouped together with the same calling restrictions
and dial plans. For example, if you have development teams that only need to talk
to each other, you can restrict their dial-plans to within the group, or limit their
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ability to call long distance.Within the same Cisco CallManager, you may have
Accounting or Human Resources that need to make more long distance calls, so
you create calling communities based on their need.
These different communities are able to operate independently and can all
share the same gateway since they have overlapping dial-plans.You will find this
more useful in sites linked across WAN connections if they all share a central
Cisco CallManager as the call processing area.This also allows for the usage of
partitions and calling search space within the organization.