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) →

CUCM: Hotline

A hotline phone calls directly to the specific number by picking up the handset. This setup is simple, there is no calling search space defined for all phones except for the calling search space solely for hotline. Partition Call Routing > Class of Control > Partition Translation Pattern Call Routing > Translation Pattern Hotline phone … Continue reading CUCM: Hotline →

CUCM: Voice mail

CUCM voice mail implementation can be quite intimidating without any prior experience to implement it. The tutorial credit goes to this video. This post is based on the video tutorial, please watch the video tutorial and support the original author. Message Waiting from CUCM, Advanced Feature > Voice Mail > Message Waiting Cisco Voice Mail … Continue reading CUCM: Voice mail →

CISCO VOICE GATEWAY: Registration to CUCM rejected

You have a voice gateway such as VG204, from CUCM 8.6 Device > Phone, you saw the newly configured VG204 Device Name (Port) status was rejected. Check on your VG204 to see if there is dial-peer for the port that is rejected by CUCM. show run | sec dial-peer To configure the dial-peer, supposed the … Continue reading CISCO VOICE GATEWAY: Registration to CUCM rejected →

CUCM: Conference call with Meet Me

Initiate Conference call with Meet Me The conference controller first starts a conference by selecting Meet Me on his/her Cisco IP phone and dial the Meet Me directory number (DN), the rest of the conference party members simply dial the Meet Me DN just like they are dialing to another party. Example: Bob starts the … Continue reading CUCM: Conference call with Meet Me →