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Tag Archives: CUCM

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Prepare Cluster for Rollback to Pre-8.0

Prepare Cluster for Rollback to Pre-8.0 When migrating IP Phones from clusters from 8.X on wards to 9.X /10.X /11.X versions, you may encounter issue with security files i.e., ITL files (Initial Trust List). which is a new security feature by default. The ITL files

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Cisco Hunt Group call waiting Queue Status

Cisco Hunt Group call waiting Queue Status Configure Hunt Group Queue statistics / status on Cisco IP Phone for the calls coming into hunt pilot queue which will help you to know how many calls are waiting into the Queue.  This helps supervisor or agents to

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CUCM Bulk Certificate Import Error – Bug CSCuy43181

CUCM Bulk Certificate Import Error – Bug CSCuy43181 In our last post we discussed about “Migrating ITL files between CUCM Clusters (article link shared below). You may encounter an error while importing the consolidated certificate “com.cisco.cpi.certMgmt.CertMgrException: java.io.IOException: Error decoding PKCS 12 input” which is a

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Force Cisco IP Phones to Fall into SRST Mode

Force Cisco IP Phones to Fall into SRST Mode Are you planning to do SRST Testing to ensure that Cisco IP Phones falls back into SRST Mode when there is a WAN Link failure? It is not recommended to plug out the WAN Link or

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Virtual Machine VMware Tools Not Running (Not Installed)

Virtual Machine VMware Tools Not Running (Not Installed) When you are trying to upgrade VMware Tools, you might encounter an issue Vmware Tools Not Running (Not Installed). If you are encountering the above issue, follow the below procedure which will help you to resolve the

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Convert LDAP Users to Local Users in CUCM

Convert LDAP Users to Local Users in CUCM When your Cisco Unified Communications Manager End Users  is synced via LDAP and there is a requirement to convert the LDAP synced Users to a Local User, it becomes a difficult task. There are two ways you

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RTMT Plugin Installation Error on Windows Machine

RTMT Plugin Installation Error on Windows Machine Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI

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Cisco CDR Report Analysis

Analysis of Cisco CDR Report Now let’s talk more into dept and now its time to explore the CDR fields. I will share examples and will try to explain the records as well. Follow the below screenshot and i will go one after another.  First

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When a DN becomes Inactive or remains Active?

When a DN becomes Inactive or remains Active? Do you know when does a directory number becomes “Inactive” or remains “Active” after you delete IP Phone or Disassociate Directory Number on Cisco Unified Communications Manager (CUCM)? Well, i am sure most of you are aware of

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Installing Vmware Tools using Interactive Method CUCM

Installing Vmware Tools using Interactive Method CUCM Trying to install VMWare Tools using interactive method? Use the below procedure which will help you installing vmware tools in Cisco Unified Communications Manager or Cisco Unity Connection? Configuration in ESXi Login to ESXi host > Locate your

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Claudio Quiroz Cabello

Electrical Engineer CCNA Collaboration CCNA Voice CCNA R&S. I'm Electrical Engineer and I work like Support Engineer for a Telephony Service Provider Company. Before that I had position like Pre-Sale Engineer about small and medium multivendor telephony solutions. I have 5 years of experience working in Telephony Multivendor Projects. I am also 3 years of experience working in Support and implementation about Cisco Collaboration platforms: UCS server, UCM, Cisco Unity, Presence Server, Jabber, Gateway. Support Community is most useful in finding design, implementation and support tricks and shortcuts that greatly help me in my daily activities. If you need to contact me, please you can writte me.

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Kanishka Singh

CCNA Routing and Switching
Am a technology enthusiast. I work in network support providing support with implementation, maintaining and precisely troubleshooting the infra.
Realm of collaboration makes me want to learn and face new challenges more and more.

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