Partitions and Calling search Spaces

Partitions and Calling search Spaces

Partitions: Groups of dialable numbers
-Route Patterns
-Anything that has a number

Calling Search Spaces (CSS): A list of Reachable Partitions
-Assigned to any ‘dialing’ entity
-Defines calling priviliges

By default all numbers are assigned to the [none] partition
By default all devices are assigned to the [none] CSS

This default allows everyone to call everyone by default

Practical Setup:

Three types of calling restriction should exist in your

– Lobby/Public phones: internal extensions only
– Typical users: internal and local pstn
– Management: internal, local, and long distance pstn

Step 1: Creat the Partitions
Step 2: Assign numbers to partitions
Step 3: Create CSSs
Step 4: Assign CSSs to devices

EXAMPLE CSS and Partitions:




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