Tag Archives: ip telephony

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 … Continue reading

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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 … Continue reading

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CUCM: Speed dial

Press a number from the keypad and call the extension/directory number. From CUCM, Device > Phone, Click “Add a new SD” under Association Information. From the phone, press the number and press Speedial softkey to ring the configured directory number.

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Cisco VG224

Not all Voice Gateway has interfaces that are straight forward like the VG204. This VG224 actually comes with 24-port FXS, but you will not see 24-port, it is using a RJ21 connector and comes with a cable with RJ21 connector. … Continue reading

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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. … Continue reading

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Cisco Unified Communications Manager Installation

Platform: Cisco UCS C210 M2, 48GB RAM, 10x 300GB SAS HDD. Slot 1 and 2 are RAID1, SLOT3-10 are RAID5. Software: Cisco Unified Communications Manager, Unity Connection/BE/SME Installing the software is not a direct insert DVD into the server process. … Continue reading

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