Partitions and CSS: Partitions and CSS Examples

It’s not REAL until you do it yourself (especially if you’re a long armed mountain climber…just watch the Nugget)! In this Nugget, Jeremy walks through multiple practical examples of using Partitions and CSSs to implement calling restrictions. In addition, you’ll see Partition and CSS configuration on CUCM!

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Scenario 1

1. The lobby phone should be able to call Internal and Local numbers only.

2. Internal numbers can call Internal, Local and Long Distance, but NOT International

3. Managers can call everything

DNs

1001 – Lobby
1002 – Staff
1003 – Staff
1004 – Manager

Patterns

9.[2-9]XXXXXXXXX – 10 Digit Dialing – LOCAL
9.1[2-9]XXXXXXXXX – 11 Digit Dialing – LONG DISTANCE
9.011! – INTERNATIONAL

1. Create Partitions first… (Based around the calling privileges required)
-INTERNAL – 1001, 1002, 1003, 1004
-LOCAL – 9.[2-9]xxxxxxxxxx
– CSS-LOBBY – INTERNAL + LOCAL Partitions

2. Create a Partition for Long Distance – LD

-Partition for LD – 9.1[2-9]xxxxxxxxxxx
– CSS-STAFF – INTERNAL + LOCAL + LD

3. Create a Partition for International – INTER
-Add international dialing string for international to Partition
– CSS-MANAGER – INTERNAL, LOCAL, LD + INTER

Scenario 2

  1. The lobby phone should be able to call Internal only
  2. Internal numbers can call Internal and Local only
  3. Managers can call everything
  4. No one can call the manager (Although the manager can call himself!)

DNs

1001 – Lobby
1002 – Staff
1003 – Staff
1004 – Manager

Patterns

9.[2-9]XXXXXXXXX – Local Dialing
9.1[2-9]XXXXXXXXX – Long Distance
9.011! – International

Drawn on paper…..

*Just because something is in the same Partition, doesn’t mean they can call each other! The CSS defines the privileges, the Partition is simply an area. 🙂

Real world steps when setting up a new scheme

  1. Create Partitions
  2. Create CSSs
  3. Assign devices to CSSs
  4. Assign numbers to Partitions

*Remember: All CSSs can access the <NONE> partition.

Jeremy walked through a practical configuration on CUCM.

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