Cucm security guide. Note Before you install Cisco Unified Communications Manager, Cisco recommends that you review the Important Notes, on page 3 for information about issues that may affect your system. Oct 16, 2023 · Find software and support documentation to design, install and upgrade, configure, and troubleshoot the Cisco Unified Communications Manager (CallManager). Mar 9, 2026 · Provides security guidelines for Cisco Unified Communications Manager, Release 15 and SUs, detailing features and best practices for secure communication management. Mar 22, 2024 · Following are the scenarios when SIP makes (Transport Layer Security) TLS connections: When SIP acts as a TLS server—When the SIP trunk interface of Unified Communications Manager acts as a TLS server for incoming secure SIP connection, the SIP trunk interface determines if the CallManager-ECDSA certificate exists on disk. Phone Security and CTL Overview Phone Security with CTL provides the followin Jun 29, 2018 · Associate the security profile with the SIP trunk. What’s new with Cisco Unified Communications Manager Version 15 Release 15 is the latest feature release in market leading Cisco Unified Communication Manager. 5 days ago · Security Guide for Cisco Unified Communications Manager Release 14 and SUs The documentation set for this product strives to use bias-free language. For more information, see the "Configure Connection to Smart Software Licensing (Applicable from Release 15SU2 Onwards)" section in the System Configuration Guide for Cisco Unified Communications Manager. Given the critical role CUCM plays in organizational communication, securing it is vital. Introduction This document describes the Security By Default (SBD) feature of Cisco Unified Communications Manager (CUCM) Versions 8. He leads collaboration and security projects and service delivery worldwide for Cisco Services and the Collaborative Professional 5 days ago · For more information, see the Compatibility Matrix for Cisco Unified Communications Manager and the IM and Presence Service. Mar 9, 2026 · Security Guide for Cisco Unified Communications Manager, Release 15 and SUs The documentation set for this product strives to use bias-free language. 5 days ago · Discover how Cisco technologies drive real-world success for our customers and power Cisco's own operations and innovation. Jun 9, 2016 · For information on updating the CallManager trust store and managing certificates, refer to the Administration Guide for Cisco Unified Communications Manager that supports this Unified Communications Manager release. x supports TLS 1. Feb 24, 2025 · For more information about CA trust certificates for Cisco Unity Connection, see the Administration Guide for Cisco Unified Communications Manager. Sep 25, 2019 · Access documentation, security notices, and support tools for Cisco products. Mar 9, 2026 · For security vulnerability alerts and management, the entire Unified Communications Manager workload falls under the umbrella of the Cisco Product Security Incident Response Team (PSIRT). For information about configuring trunks and gateways, see the Administration Guide for Cisco Unified Communications Manager . Don't configure ciphers for either of these two interfaces if NULL ciphers must be used. Navigate to the endpoint to be hardened on the Cisco Unified Communications Administration page: Device --> Phone 2. Read the Security guide for your Call Manager version to become familiar with how the ITLRecovery certificate is used and the process required to recover trusted status. Oct 31, 2025 · Achieve always-on resilience with trusted security, observability, and assurance. 0 only. If you want to enable security features for a phone, you must configure a new security profile and apply it to the phone. An attacker could exploit this vulnerability by sending a crafted message to a listening port of Jul 31, 2014 · Implementing endpoint hardening on CUCM Endpoint hardening can provide greater protection from various forms of attacks. Aug 5, 2021 · Introduction This document describes the SSO feature in CUCM, configuration, tips to troubleshoot, example log analysis, and resources for additional information. Reference the Security Guide for your specific release. For example, Unified Communications Manager and IM and Presence Services, Release 9. May 13, 2025 · This document describes the step-by-step procedure on how to regenerate certificates in Cisco Unified Communications Manager (CUCM) release 8. 0 (1) and later introduced the new Security By Default feature and the use of Initial Trust List (ITL) files. Mar 22, 2024 · For security vulnerability alerts and management, the entire Unified Communications Manager workload falls under the umbrella of the Cisco Product Security Incident Response Team (PSIRT). Feb 24, 2025 · For information on updating the CallManager trust store and managing certificates, refer to the Administration Guide for Cisco Unified Communications Manager that supports this Unified Communications Manager release. Configure the SIP trunk with the subject Common Name (CN) of the IM and Presence Service certificate. Sep 8, 2025 · Licensing for the Cisco Unified Communications Manager is determined by the total number of users, user features, and devices configured. 5 days ago · If you are upgrading from an earlier release of Unified Communications Manager, make sure that all your devices and applications support the higher version of TLS before you configure it. When Unified Communications Manager classifies a call as authenticated or encrypted, an icon is displayed on the phone and indicates the call state. Access answers to your questions about the evolution of Cisco's partner ecosystem and new partner designations. 5 (1) of Cisco Unified Communications Manager and the IM and Presence Service, including 11. Mar 9, 2026 · The Unified Communications Manager (Security) product contains cryptographic features and its import, export information. This guide delves into Mar 22, 2024 · For information on creating an IPSec association between Unified Communications Manager and these devices, refer to the Administration Guide for Cisco Unified Communications Manager . As businesses migrate to IP-based communications, safeguarding these platforms against various security threats becomes paramount. This vulnerability is due to the presence of static user Mar 22, 2024 · Achieve always-on resilience with trusted security, observability, and assurance. Jun 3, 2025 · This document describes the procedure to update CUCM connections to AD from a non-secure LDAP connection to a secure LDAPS connection. Find SIP Trunk Security Profile To find a SIP trunk security profile, perform the following procedure: Procedure Jul 2, 2025 · A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to log in to an affected device using the root account, which has default, static credentials that cannot be changed or deleted. Cisco Unified Communications Manager Security Guide is an essential resource for organizations that rely on Cisco's Unified Communications solutions to ensure the integrity, confidentiality, and availability of their communications systems. Download and manage new software, get updates or patches, or upgrade your current software to the latest release. 5 days ago · SIP TLS Interface: Unified Communications Manager through SIP or SCCP, when any Device Security Profile is set to Authenticated mode. Mar 9, 2026 · Achieve always-on resilience with trusted security, observability, and assurance. Mar 9, 2026 · Configure and Manage IPsec Setup Between Unified Communications Manager and Gateway or Trunks For information on configuring IPSec between Unified Communications Manager and the gateways or trunks that are described, see the chapter "Manage IPSec Policies" in the Administration Guide for Cisco Unified Communications Manager. To harden an endpoint from various forms of attacks and vulnerabilities, perform the following: 1. Cisco Unified Communications Manager provides security status for a call, according to security levels that are configured for the Cisco Unified Communications Manager server(s) and devices that are participating in the call. Cisco Unified Communications Manager (CUCM) The most complete and flexible enterprise-grade calling experience is now part of the Webex Suite Delivered on-premises CUCM Unified CM IM & Presence Unified Border Expressway Element Unity Connection Emergency Responder 5 days ago · If you are upgrading from an earlier release of Unified Communications Manager, make sure that all your devices and applications support the higher version of TLS before you configure it. Security Guide for Cisco Unified Communications Manager, Release 11. 0 or later upgrade, Unified Communications Manager creates a profile for the SIP trunk and applies the profile to the device. Cisco Unified Communications Manager reports the total license usage (per 5 days ago · For additional information on the security menu and icons, refer to the Cisco IP Phone Administration Guide and Cisco IP Phone User Guide that supports your phone model. Feb 24, 2025 · For additional information on the security menu and icons, refer to the Cisco IP Phone Administration Guide and Cisco IP Phone User Guide that supports your phone model. Nov 23, 2023 · Cisco Unified Communications Manager provides a set of predefined, nonsecure profiles for autoregistration. Mar 22, 2024 · For information on updating the CallManager trust store and managing certificates, refer to the Administration Guide for Cisco Unified Communications Manager that supports this Unified Communications Manager release. 5 days ago · They can also regenerate and view self-signed certificates using CLI. Transfer and use of information is subject to the laws governing United States and the local country. For information about how to access collected logs from the Real-Time Monitoring Tool, see the Cisco Unified Real-Time Monitoring Tool Administration Guide . You will also find important information for the configuration of firewalls, Access Control Lists (ACLs), and quality of service (QoS) on a For information on updating the CallManager trust store, refer to the Administration Guide for Cisco Unified Communications Manager that supports this Unified Communications Manager release. Prerequisites Requirements Cisco recommends knowledge of a few Single Sign-On (SSO) terms: Security Assertion Markup Language (SAML) - an open standard to exchange authentication and authorization data between parties Service Mar 9, 2026 · For information on creating an IPSec association between Unified Communications Manager and these devices, refer to the Administration Guide for Cisco Unified Communications Manager . 5 days ago · For information on updating the CallManager trust store, refer to the Administration Guide for Cisco Unified Communications Manager that supports this Unified Communications Manager release. Feb 24, 2014 · Solved: Hi We have two CUCM , one voice gateway and many types of phones We would like to enable encryption between CUCM-ip phones-Voice gateway Could you pls share doc and ideas about this request? 5 days ago · For more information on how to configure SIP OAuth mode on Cisco Unified Communication Manager, see Feature Configuration Guide for Cisco Unified Communications Manager, Release 14. Mar 22, 2024 · This guide provides a reference and procedural guide for system and phone administrators who plan to configure call security features for Cisco Unified Communications Manager. This vulnerability is due to the improper processing of user-provided data that is being read into memory. 0 and later. You can perform the following FIPS-related tasks: Enable FIPS 140-2 mode Disable FIPS 140-2 mode Check the status of FIPS 140-2 5 days ago · The pin synchronization between Cisco Unity Connection and Cisco Unified Communications Manager is successful, only when Cisco Unified Communications Manager publisher database server is running and completes its database replication. Jan 15, 2014 · Introduction Cisco Unified Communications Manager (CUCM) Certificates & Cisco Unity Connection (UC) Security Related Information Introduction Akhil Behl is a solutions architect with Cisco Services, focusing on Cisco Collaboration and Security architectures. Mar 22, 2024 · The non secure mode is the default security mode when you install Unified Communications Manager for the first time. Cisco Unified Communications Manager calculates its license usage based upon the total number of users (with user features and associated devices) and devices configured on the system. This guide delves into 5 days ago · For security vulnerability alerts and management, the entire Unified Communications Manager workload falls under the umbrella of the Cisco Product Security Incident Response Team (PSIRT). Phones Support —For information on the list of supported features for Cisco Video Phone 8875 and Cisco Desk Phone 9800 Series, see the following: Release Notes for Cisco Video Phone 8875 on Cisco Unified CM Release Notes for Cisco Desk Phone Oct 16, 2023 · Find software and support documentation to design, install and upgrade, configure, and troubleshoot the Cisco Unified Communications Manager (CallManager). Disable FIPS 140-2 Mode Consider the following information before you disable FIPS 140-2 mode on Unified Communications Manager: In single or multiple server clusters, we recommend you to run the CTL Client. He leads collaboration and security projects and service delivery worldwide for Cisco Services and the Collaborative Professional Mar 9, 2026 · Note If you want to use the Phone Security Profile, consider changing it to use an encrypted mode. Oct 4, 2011 · Purpose The purpose of this document is to act as a supplement to the official Communications Manager Security Guide by providing examples, explanation, and diagrams for Phone Security using Certificate Trust Lists. Mar 9, 2026 · For more information on the Unified Communications Manager upgrade, see the 'COP File Installation Guidelines' section in the Installation Guide for Cisco Unified Communications Manager and the IM and Presence Service. 5 (1) Bias-Free Language For information on updating the CallManager trust store and managing certificates, refer to the Administration Guide for Cisco Unified Communications Manager that supports this Cisco Unified Communications Manager release. X and newer. 6 days ago · For more information on the port usage, see the chapter 'Cisco Unified Communications Manager TCP and UDP Port Usage' in the System Configuration Guide for Cisco Unified Communications Manager. This guide provides a reference and procedural guide for system and phone administrators who plan to configure call security features for Cisco Unified Communications Manager. We would like to show you a description here but the site won’t allow us. Assign end users to Access Control Groups associated to Roles to manage User Access in Unified Communications Manager. The procedure on how to do this is within Cisco's Security Guide Documentation. SU Releases For SU releases, use these guidelines to determine which document to use: If an SU document version exists that matches the specific SU release that you are running, use that SU document rather than Nov 25, 2024 · Index viewing certificate operation status for application user or end user 1 Jul 14, 2023 · This document describes the Security By Default (SBD) feature of Cisco Unified Communications Manager (CUCM) Versions 8. Cisco Unified Communications Manager TCP and UDP Port Usage This chapter provides a list of the TCP and UDP ports that Cisco Unified Communications Manager uses for intracluster connections and for communication with external applications or devices. When higher security is required choose a phone security profile to obtain encrypted file exchange between the endpoint and CUCM. May 19, 2016 · This chapter provides instructions for setting up a Cisco Unified Communications Manager SIP trunk integration with Cisco Unity Connection. Mar 9, 2026 · For more information on how to configure SIP OAuth mode on Cisco Unified Communication Manager, see Feature Configuration Guide for Cisco Unified Communications Manager, Release 14. Nov 6, 2025 · Achieve always-on resilience with trusted security, observability, and assurance. 5 days ago · This guide contains an overview of the documentation that is available for Release 14 of Cisco Unified Communications Manager and the IM and Presence Service, in addition to subsequent SU releases. Feb 24, 2025 · If you configured the device security mode prior to a Unified Communications Manager 5. Delivery of Cisco cryptographic products doesn't imply third-party authority to import, export, distribute, or use encryption. Unified Communications Manager Security Guide? Primary security features include user authentication, secure communication protocols (like TLS), access control lists, and encryption for signaling and media streams. In this mode, Unified Communications Manager doesn't provide any secure signaling or media services. 0(1) First Published: 2015-06-08 Mar 9, 2026 · For more information on how to configure SIP OAuth mode on Cisco Unified Communication Manager, see Feature Configuration Guide for Cisco Unified Communications Manager, Release 14. Feb 6, 2026 · To use Smart Transport, you must switch the transport mode from Call Home to Smart Transport from the License Management page. This release will further extend Cisco Unified Communication Manager’s leadership through features that enrich user experiences, simplify administration workloads, enhanced security and enhanced business and operational insights Encrypted vs non-encrypted communication The deployment is considered secure with a standard phone profile (non-encrypted file exchange). Ensure that you complete the following firewall updates before pre-installation: If a firewall is in the routing path between nodes, disable the firewall. com directly, either for security or availability reasons. Learn how our partner ecosystem makes it easier than ever to identify the partners to best meet your needs. Certificate Exchange with Cisco Unified Communications Manager Complete these tasks to exchange certificates with Cisco Unified Communications Manager. Mar 9, 2026 · For more information on Users and Security, see Configure End Users in System Configuration Guide for Cisco Unified Communications Manager and Manage Security in Administration Guide for Cisco Unified Communications Manager. This document does not apply to the configuration in which Unity Connection is installed as Cisco Business Edition—on the same server with Cisco Unified CM. For more information on how to update the Unified Communications Manager trust store and manage certificates, see Administration Guide for Cisco Unified Communications Manager. For information on updating the CallManager trust store, refer to the Administration Guide for Cisco Unified Communications Manager that supports this Unified Communications Manager release. This document serves as a supplement to the official Security By Default documents,and provides operational information and troubleshooting tips to help administrators and ease the troubleshooting process. Feb 24, 2025 · Migrate IP Phones Between Clusters with Cisco Unified Communications Manager and ITL Files Unified Communications Manager 8. Explore Cisco products and features to empower your purchase with data sheets, white papers, end-of-life notices, and more. 5 days ago · For more information on Users and Security, see Configure End Users in System Configuration Guide for Cisco Unified Communications Manager and Manage Security in Administration Guide for Cisco Unified Communications Manager. . Nov 27, 2024 · Cisco Unified Communications Manager Integration Prerequisites Before you configure the IM and Presence Service to integrate with Cisco Unified Communications Manager, make sure that you complete the following general configuration tasks on Cisco Unified Communications Manager. Feb 24, 2025 · Cisco Unified Communications Manager (CallManager) Maintain and Operate Guides Security Guide for Cisco Unified Communications Manager, Release 12. Jan 30, 2024 · A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. Feb 25, 2026 · Quick Start Guide: Documentation Guide for Cisco Unified Communications Manager and IM and Presence Service, Release 15 and SUs Apr 30, 2020 · If devices lose their trust status, you can use the command utils itl reset localkey for non-secure clusters and the command utils ctl reset localkey for mix-mode clusters. Oct 1, 2003 · Find software and support documentation to design, install and upgrade, configure, and troubleshoot the Cisco Unified Communications Manager Express. An attacker could exploit this vulnerability by sending a crafted message to a listening port of This version can be applied to Cisco Unified Communications Manager and Session Management Edition. 5 days ago · Before you install Cisco Unified Communications Manager, Cisco recommends that you review the Important Notes for information about issues that may affect your system. Dec 17, 2020 · This guide summarizes the documentation that is available for Release 11. These trust-certificates secure connections to Exchange or Meeting Place Express for fetching e-mails, calendar information, or contacts. However, be sure that you have at least one eToken from the original initiation of Mixed-Mode feature and the eToken password is known. Jun 9, 2016 · Migrate IP Phones Between Clusters with Cisco Unified Communications Manager and ITL Files Unified Communications Manager 8. Feb 5, 2026 · New and Changed Information Security Guide for Cisco Unified Communications Manager, Release 15 and SUs Cisco Smart Software Manager satellite is an on-premise deployment that can handle your licensing needs if Unified Communications Manager cannot connect to cisco. 5 (1)SU releases. Mar 22, 2024 · For additional information on the security menu and icons, refer to the Cisco IP Phone Administration Guide and Cisco IP Phone User Guide that supports your phone model. If you run a CUCM cluster in Mixed-Mode, this means that the CTL file needs to be updated after all certificate changes. Apr 8, 2025 · Regenerate Certificates In Unified Communications Manager Troubleshoot CUCM Database Replication Issues Install CUCM Cluster Using Data Export and Import Feature Upgrade and Migration Guide for Cisco Unified Communications Manager and the IM and Presence Service, Release 14 --- Upgrade Planning Reset or Change CUCM OS Admin and Security Password Apr 8, 2025 · For information about how to enable this feature, see the Command Line Interface Reference Guide for Cisco Unified Communications Solutions. Mar 22, 2024 · They can also regenerate and view self-signed certificates using CLI. die rgaa gfspy lwmty eends itge qly jqzseu qtyiqz xpudd