Collaboration Knowledge Base

Problem descriptionI need to review who is accessing and making changes in Cisco Unified Communications Manager 10.x as an administrator and what all changes been made and wanted to capture the user name who done the changes on CUCM With date and tim...

A “Fresh Install with Data Export” is a native method used to migrate UC application clusters to a new version while preserving the existing configuration data. I personally prefer using Cisco’s PCD for migrations. However, since PCD is in survival m...

Overview Types of Certificates CUCM/CUC/CUPS/UCCX Versions 10.X and Later - Certificate Regeneration Common certificates Tomcat Certificate CallManager Certificate IPSEC Certificate ITLRecovery Certificate CUCM specific certificate CAPF Certificate T...

The LSC (Locally Significant Certificate) is required for use in phone models that support security, but do not come with a MIC (Manufacturing Installed Certificate). For example, the 7940 and 7960 Installing the LSC requires the use of at least two ...

Introduction Prerequisites IOS XE PKI Configuration Outline of commands used Authenticate CA certificates Practical application on a voice gateway List certificates on the router Create a certificate on the router Create PKI key Create trustpoint for...

ECE (Enterprise Chat and Email) generates alert emails for different conditions. Some of the major ones are described below with possible troubleshoot steps. These alerts can be configured in ECE settings to be sent via email to the administrators. I...

hi all, in this community post you will find latest Call Queue and Customer Assist Queue enhancements and news.If you need a high level overview of these Webex Calling features, please check below community post: Webex Calling - Call Queues & Custome...

                                           last update (21 Oct 2025): added link to ''BRK-COL 2081-WxC core features'' Cisco Live sessiondear all, please find below some suggested Webex Calling training courses/resources for customers (admin and end ...

Following document explains how to upgrade or downgrade the firmware of an IP phone without disrupting customers production system.We need to follow a couple of  easy steps to accomplish this, its valid for CUCM 5.X and above.Hope you find it useful....

 Hello Community,Recently I came across an issue where Certificate parameters set on VOS servers like Finesse, CUIC, VVB, CUCM, Presence and Unity Connection were not matching what our CA was expecting. So whenever I create a CSR from any of these Li...

Configuration  ConfigurationSteps:Create SIP Dial Rule1-Call Routing > Dial Rules > SIP Dial Rules1.a Enter description and click on Add Plar and then click on save.2- Under dial Parameter select "Button" and under value set it to "1" (first line on ...

    Overview When IPT first came to planet earth, the gods told us that we must ensure that everything is deployed using IP. They told us that DNS is unreliable, it doesn’t work well with IPT solution etc. Fast forward a few years and now the gods ar...

Join the Webex Expert Series to discover how Webex Common Identity streamlines user management, enhances security, and simplifies integrations for modern collaboration. We will showcase key capabilities, explore practical integration scenarios, and d...

ProblemI have found that RTMT 10.5 does not run reliably on my Windows 10 PC. It locks up after a short period; sometimes after only a few minutes. The display freezes, and I need to resort to the Windows Task Manager to even close it down. I don't k...

The following is an example of how to setup call blocking based off of incoming Caller's ANI. In this example, my voice environment consist of an 8.6 CUCM Pub with 3 Subscribers.  I have three Cisco 2911 H.323 voice gateways with 1 PRI in each. I put...