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Miles Kelly
Miles Kelly

CUCM 9.1(2) is now available - Cisco Community



Cisco CUCM 91 ISO: What It Is and How to Install It




Introduction




If you are looking for a reliable, secure, scalable, and manageable solution for your enterprise communication and collaboration needs, you might want to consider Cisco Unified Communications Manager (CUCM). CUCM is an enterprise call and session management infrastructure that streamlines team communication and collaboration for todays hybrid workforce. It unites registered IP phones, mobile devices, desktop computers, and other endpoints into a single network that supports voice and video calling, messaging, presence, and mobility.




Cisco Cucm 91 Iso Download



But how do you install CUCM on your servers? One way is to use an ISO image. An ISO image is a file that contains all the data of an optical disc, such as a CD or DVD. By using an ISO image, you can avoid the hassle of physical media and save time and bandwidth. You can download the ISO image from Ciscos website or copy it from a running CUCM server. You can then mount the ISO image on your virtual machine (VM) or burn it on a disc.


One of the latest versions of CUCM is 9.1. This version introduces new features such as jump upgrade, which allows you to upgrade from older versions directly to 9.1 without intermediate steps. It also streamlines the license migration process using Enterprise License Manager. Moreover, it offers improved performance, security, compatibility, and user experience.


In this article, we will explain what Cisco CUCM 91 ISO is and how to install it on your servers. We will also cover the topology options, features, and capabilities of CUCM 9.1. By the end of this article, you will have a better understanding of how CUCM 9.1 can benefit your organization.


Installation Methods




There are different methods There are different methods to install CUCM 9.1 on your servers, depending on your needs and preferences. Here are the main ones:


Basic Install of Cluster




This method involves installing the publisher node first, then adding and installing subscriber nodes one by one. A publisher node is the primary node in a cluster that hosts the database and provides administration functions. A subscriber node is a secondary node that replicates the database from the publisher and provides call processing functions. You can use this method if you want to have more control over the installation process and customize each node individually.


To perform a basic install of cluster, you need to follow these steps:



  • Download the CUCM 9.1 ISO image from Ciscos website or copy it from a running CUCM server.



  • Mount the ISO image on the VM or burn it on a disc.



  • Boot the VM or server from the ISO image.



  • Select the basic installation option and follow the prompts to install the publisher node.



  • Repeat steps 2 to 4 for each subscriber node, making sure to select the subscriber installation option and provide the publisher nodes IP address and security password.



  • If you want to apply a patch during an upgrade, you can select the patch installation option and provide the patch file name and location.



  • After installing all nodes, you can configure pre-installed software such as Cisco Unified Serviceability, Cisco Unified Reporting, Cisco Unified OS Administration, and Cisco Unified Communications Manager Administration.



Touchless Install of Cluster




This method allows you to complete a full cluster installation in one seamless process. You can use this method if you want to save time and effort and automate the installation process. You need to provide server details for all cluster nodes in advance using an answer file. An answer file is a text file that contains configuration parameters for each node, such as hostname, IP address, timezone, username, password, etc.


To perform a touchless install of cluster, you need to follow these steps:



  • Create an answer file for each node using a template provided by Cisco or your own format.



  • Download the CUCM 9.1 ISO image from Ciscos website or copy it from a running CUCM server.



  • Mount the ISO image on the VM or burn it on a disc.



  • Boot the VM or server from the ISO image.



  • Select the touchless installation option and provide the answer file name and location.



  • Start the installation and monitor the progress on the console or through a web interface.



  • The installation will automatically install all nodes in the cluster according to the answer file parameters.



Add a Node to a Cluster




This method allows you to add and install a new node in an existing cluster. You can use this method if you want to expand your cluster capacity or replace a faulty node. You need to have access to the ESXi datastore where the CUCM VMs are stored and run recovery software on the new node.


To add a node to a cluster, you need to follow these steps:



  • Download the CUCM 9.1 ISO image from Ciscos website or copy it from a running CUCM server.



  • Create a new VM on the ESXi host with the same specifications as the existing nodes.



  • Power off the VM and edit its settings to enable booting from CD/DVD drive.



  • Upload the ISO image to the ESXi datastore where the CUCM VMs are stored.



  • Mount the ISO image on the VMs CD/DVD drive.



  • Power on the VM and boot from the ISO image.



  • Select the recovery software option and follow the prompts to install the new node.



Topology Options




Before you install CUCM 9.1 on your servers, you need to decide on the topology of your network. The topology refers to the physical and logical arrangement of your servers and devices. The main topology options for CUCM 9.1 are clusters, publisher nodes, and subscriber nodes.


Clusters




A cluster is a group of servers that work together to provide unified communications services. A cluster can have up to 20 nodes, depending on the server model and the number of devices and users. A cluster provides scalability and redundancy for your network. Scalability means that you can add more nodes to increase the capacity and performance of your network. Redundancy means that you can have backup nodes that take over the functions of a failed node.


A cluster consists of two types of nodes: publisher nodes and subscriber nodes. Each node has a unique hostname and IP address. The nodes communicate with each other using various protocols, such as TCP/IP, SIP, SCCP, H.323, MGCP, etc. The nodes also share a common database that stores the configuration and call data of the cluster.


Publisher Nodes and Subscriber Nodes




A publisher node is the primary node in a cluster that hosts the database and provides administration functions. There can be only one publisher node in a cluster. The publisher node allows you to configure, manage, and monitor the cluster using web-based interfaces or command-line tools. The publisher node also replicates the database to the subscriber nodes.


A subscriber node is a secondary node in a cluster that replicates the database from the publisher node and provides call processing functions. There can be up to 19 subscriber nodes in a cluster, depending on the server model and the number of devices and users. The subscriber nodes handle the incoming and outgoing calls from the endpoints and route them to the appropriate destinations. The subscriber nodes also provide backup functions for each other in case of a failure.


To configure database replication and synchronization between the publisher node and the subscriber nodes, you need to use Cisco Unified Database Replication Service (DRS). DRS allows you to create replication groups, assign roles, monitor status, troubleshoot issues, and perform backup and restore operations. Features and Capabilities




CUCM 9.1 offers a range of features and capabilities that enhance your unified communications experience. Here are some of the main ones:


Unified Communications




CUCM 9.1 enables IP telephony, video, messaging, and presence services for your network. You can use CUCM to register, configure, and manage various types of endpoints, such as IP phones, softphones, video conferencing devices, mobile devices, etc. You can also use CUCM to create and manage dial plans, call routing rules, hunt groups, call park zones, etc.


CUCM 9.1 integrates with other Cisco products and third-party applications to provide a seamless and comprehensive communication and collaboration solution. For example, you can use CUCM with Cisco Unity Connection to provide voicemail and unified messaging services. You can also use CUCM with Cisco Jabber to provide instant messaging and presence services. Moreover, you can use CUCM with Cisco Webex to provide web conferencing and team collaboration services.


Enhanced Mobility




CUCM 9.1 supports mobile and remote workers with various devices and endpoints. You can use CUCM to enable single number reach, which allows you to receive calls on any device using the same phone number. You can also use CUCM to enable extension mobility, which allows you to log in to any IP phone and access your personal settings and preferences.


CUCM 9.1 provides call control, session management, and mobility features for your network. You can use CUCM to enable call forwarding, call transfer, call hold, call resume, call waiting, call pickup, etc. You can also use CUCM to enable session initiation protocol (SIP) trunking, which allows you to connect your network with other networks using the Internet. Moreover, you can use CUCM to enable device mobility, which allows you to move your device from one location to another without affecting your call quality or service.


Open and Interoperable




CUCM 9.1 supports industry standards, gateways, and protocols for your network. You can use CUCM to interoperate with other vendors' products and solutions using common protocols such as SIP, H.323, MGCP, SCCP, etc. You can also use CUCM to connect your network with legacy systems using analog or digital gateways.


CUCM 9.1 works with a broad ecosystem of partners and solutions for your network. You can use CUCM to integrate with third-party applications such as Microsoft Teams, Skype for Business, Google Workspace, Salesforce, etc. You can also use CUCM to leverage partner solutions such as contact center, video conferencing, recording, analytics, etc.


Secure and Compliant




CUCM 9.1 supports authentication, encryption, and communication protocols for your network. You can use CUCM to secure your endpoints using certificates and passwords. You can also use CUCM to encrypt your data and voice traffic using Transport Layer Security (TLS) and Secure Real-time Transport Protocol (SRTP). Moreover, you can use CUCM to communicate securely with other networks using VPNs or firewalls.


CUCM 9.1 complies with key industry certifications and regulations for your network. You can use CUCM to meet the requirements of ISO 9001:2015 (quality management system), ISO 27001:2013 (information security management system), ISO 14001:2015 (environmental management system), etc. You can also use CUCM to adhere to the standards of GDPR (General Data Protection Regulation), HIPAA (Health Insurance Portability and Accountability Act), PCI DSS (Payment Card Industry Data Security Standard), etc. Conclusion




In this article, we have explained what Cisco CUCM 91 ISO is and how to install it on your servers. We have also covered the topology options, features, and capabilities of CUCM 9.1. We hope that this article has helped you understand how CUCM 9.1 can benefit your organization and enhance your unified communications experience.


If you have any questions or feedback, please feel free to contact us. We would love to hear from you and assist you with your communication and collaboration needs.


FAQs




Here are some of the frequently asked questions about Cisco CUCM 91 ISO:



  • What are the system requirements for CUCM 9.1?



CUCM 9.1 requires a minimum of 4 GB of RAM, 80 GB of disk space, and 1 CPU core for each node. However, the actual requirements may vary depending on the server model, the number of devices and users, and the features and services enabled. You can check the compatibility matrix and the hardware and software specifications for CUCM 9.1 on Ciscos website.


  • How can I upgrade from an older version of CUCM to CUCM 9.1?



You can upgrade from an older version of CUCM to CUCM 9.1 using the jump upgrade feature. This feature allows you to upgrade directly to CUCM 9.1 without intermediate steps. You need to download the CUCM 9.1 ISO image from Ciscos website or copy it from a running CUCM server. You also need to obtain a new license file from Cisco using Enterprise License Manager. You can then mount the ISO image on your VM or burn it on a disc and boot from it. You can select the upgrade option and follow the prompts to complete the upgrade process.


  • How can I backup and restore my CUCM data?



You can backup and restore your CUCM data using Cisco Unified Database Replication Service (DRS). DRS allows you to create backup files that contain the configuration and call data of your cluster. You can store these backup files on a network-attached storage (NAS) device or a secure FTP (SFTP) server. You can then restore these backup files to your cluster using DRS in case of a disaster or a failure.


  • How can I troubleshoot issues with my CUCM installation?



You can troubleshoot issues with your CUCM installation using various tools and resources provided by Cisco. For example, you can use Cisco Unified Serviceability to monitor the status and performance of your cluster nodes and services. You can also use Cisco Unified Reporting to generate reports that provide information about your cluster configuration and health. Moreover, you can use Cisco Unified OS Administration to access the operating system logs and commands of your cluster nodes.


  • Where can I find more information about CUCM 9.1?



You can find more information about CUCM 9.1 on Ciscos website, where you can access the documentation, release notes, support forums, videos, blogs, etc. You can also contact Ciscos technical support team or your local Cisco partner for further assistance.


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