CUCM: Calling Search Space and Partition examples

This is a re-write of Understanding calling search space and partition, I attempt to simply it and give examples. Partition Partition is to group entities together. Entities are directory numbers, route pattern and translation pattern. Directory numbers are group together by assigning the route partition. Grouping entitles together does not restrict call flow, to restrict … Continue reading CUCM: Calling Search Space and Partition examples

CUCM: Outgoing call restriction with route pattern

The cisco 2951 is a 2-RU size router with 4x FXOs module. One phone provider carrier line was connected to the FXO ports. The Cisco 2951 was configured as MGCP, which was registered to CUCM server cluster. This post shows how call can be initiated from internal to the external such as mobile phone and … Continue reading CUCM: Outgoing call restriction with route pattern

CUCM: Redundancy (Call processing failover)

Introduction The result of the Cisco IP phones failover to secondary or tertiary CUCM server is instantaneous in the point of view of enduser, if everything was configured correctly. The test was done with 13 registered devices, of course as the number of registered devices increase the recovery time may vary. Only SCCP and MGCP … Continue reading CUCM: Redundancy (Call processing failover)

CUCM & Unity Connection: Database backup with Disaster Recovery System

Doing backup is easy with the Disaster Recovery System that is included for both CUCM and Unity Connection. The pre-requisite is that you must have a SFTP server which you can download free from freeSSHd. The freeSSHd for Windows is quite easy to use. Configuring freeSSHd The freeSSHd resides under your taskbar. Disaster Recovery System: … Continue reading CUCM & Unity Connection: Database backup with Disaster Recovery System

CUCM: Hotline or Hotdial (Not using none partition)

Previously I have written a post about hotline configuration but that configuration example uses none partition which Cisco does not recommend. So here I shall re-do the post in creating a hotline configuration example by not using none partition for my telephones. Create partition From CUCM, Call Routing > Class of Control > Partition Create … Continue reading CUCM: Hotline or Hotdial (Not using none partition)

CUCM: Understanding Partition and Calling Search Space (CSS)

From the cisco documentation: "Understanding and Using Partitions and Calling Search Spaces with Cisco CallManager", it says phones located in different partitions cannot call to each other, phones that reside within the same partition can call to each other. "Note: Any device that makes a call can explicitly reach any dial plan entry that is … Continue reading CUCM: Understanding Partition and Calling Search Space (CSS)