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Unified Communications
Cisco Unified Communications Manager (CallManager)
Cisco Unified Communications Manager Version 15
Series
Cisco Unified Communications Manager (CallManager)
Overview
Product Overview
Product Type
Call Control
Status
Available
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Release Date
16-OCT-2023
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Recent Security Notices
03-Sep-2025
Security Advisory: Cisco Unified Communications Manager Cross-Site Request Forgery Vulnerability
02-Jul-2025
Security Advisory: Cisco Unified Communications Manager Static SSH Credentials Vulnerability
04-Jun-2025
Security Advisory: Cisco Unified Communications Products Command Injection Vulnerability
21-May-2025
Security Advisory: Cisco Unified Communications Products Privilege Escalation Vulnerability
06-Nov-2024
Security Advisory: Cisco Unified Communications Manager Cross-Site Scripting Vulnerability
Document Categories
Configuration
Data Sheets and Product Information
Design
Install and Upgrade
Literature
Maintain and Operate
Reference
Release and Compatibility
Security Notices
Troubleshooting
See also:
Translated End-User Guides
Data Sheets and Product Information
At-a-Glance
Cisco Unified Communications on Cisco HyperFlex At-a-Glance
01-Feb-2021
Q&A
Cisco Unified Communications Manager Licensing Pricing Model
30-Apr-2007
Questions and Answers on Compliance with Kari’s Law and RAY BAUM’S Act
13-Apr-2022
Security Notices
Bulletins
Cisco Unified Communications Manager, IM and Presence Service Bulletin for Cisco Push REST Service
14-Dec-2023
Cisco Unity Connection Service Bulletin for Unified Messaging with Microsoft Office 365
17-Jun-2022
Cisco Unified Communications Manager IM and Presence Service Bulletin for Calendar Integration with Office 365 Product Bulletin
20-Feb-2020
Security Advisories, Responses and Notices
Most Recent
Cisco Unified Communications Manager Cross-Site Request Forgery Vulnerability
03-Sep-2025
new
Cisco Unified Communications Manager Static SSH Credentials Vulnerability
02-Jul-2025
Cisco Unified Communications Products Command Injection Vulnerability
04-Jun-2025
Cisco Unified Communications Products Privilege Escalation Vulnerability
21-May-2025
Cisco Unified Communications Manager Cross-Site Scripting Vulnerability
06-Nov-2024
Cisco Unified Communications Manager Cross-Site Scripting Vulnerability
20-Sep-2024
Cisco Unified Communications Manager Denial of Service Vulnerability
21-Aug-2024
Multiple Cisco Unified Communications Products Unauthenticated API High CPU Utilization Denial of Service Vulnerability
17-May-2024
Cisco Unified Communications Products Remote Code Execution Vulnerability
30-Jan-2024
Cisco Unified Communications Products Privilege Escalation Vulnerability
30-Aug-2023
Cisco Unified Communications Manager SQL Injection Vulnerability
16-Aug-2023
Cisco Unified Communications Products Cross-Site Scripting Vulnerability
16-Aug-2023
Cisco Unified Communications Products Arbitrary File Read Vulnerability
02-Aug-2023
Cisco Unified Communications Manager Denial of Service Vulnerability
07-Jun-2023
Vulnerability in Spring Framework Affecting Cisco Products: March 2022
09-Feb-2023
View all documentation of this type
Release and Compatibility
Compatibility Information
Cisco Unified Communications Manager Version 15
Deprecation of H.323 Gatekeeper Control Options in Cisco Unified Communications Manager Release 15
19-Dec-2023
Compatibility Matrix for Cisco Unified Communications Manager and the IM and Presence Service, Release 15x
14-Aug-2025
Deprecation of Call Control Discovery via Service Advertisement Framework in Cisco Unified Communications Manager
29-Jul-2025
Deprecation of Remote Call Control with Microsoft Lync Server for IM and Presence Service on Cisco Unified Communications Manager, Release 15
22-Nov-2023
Cisco Unified Communications Manager Hardware Compatibility Matrix
23-May-2011
(XLS - 74 KB)
Cisco Unified Communications Operating System Supported Server Hardware Compatibility Matrix
08-Jun-2011
(XLS - 14 KB)
Deprecated Phone Models in Cisco Unified Communications Manager, Release 14
25-Sep-2020
Deprecated Phone Models in Cisco Unified Communications Manager, Release 14
05-Oct-2020
Search Cisco Unified Communications Manager Customer Documentation
14-Oct-2009
Vendor MIB Support for Cisco Unified Communications Manager Servers
14-Dec-2013
(XLS - 71 KB)
Release Notes
Cisco Unified Communications Manager Version 15
Release Notes for Cisco Prime Collaboration Deployment, Release 15
18-Dec-2023
Release Notes for Cisco Prime Collaboration Deployment, Release 15SU3
31-Jul-2025
Release Notes for Cisco Prime Collaboration Deployment, Release 15SU2
01-Oct-2024
Release Notes for Cisco Prime Collaboration Deployment, Release 15SU1
28-Mar-2024
Release Notes for Cisco Unified Communications Manager Release 15SU3a and the IM and Presence Service Release 15SU3
14-Aug-2025
Release Notes for Cisco Unified Communications Manager Release 15SU1a and the IM and Presence Service Release 15SU1
18-Oct-2024
Release Notes for Cisco Unified Communications Manager and the IM and Presence Service Release 15
22-Oct-2024
Release Notes for Cisco Unified Communications Manager and the IM and Presence Service Release 15SU2
04-Dec-2024
Reference
Command References
Cisco Unified Communications Manager Version 15
Command Line Interface Reference Guide for Cisco Unified Communications Solutions, Release 15 and SUs
26-Aug-2025
Documentation Roadmaps
Cisco Unified Communications Manager Version 15
Documentation Guide for Cisco Unified Communications Manager and IM and Presence Service, Release 15 and SUs
14-Aug-2025
Licensing Information
Open Source License Notices for Cisco Unified Communications Manager
25-Mar-2008
Design
Design Guides
Cisco Unified Communications Manager Version 15
Cisco Collaboration Sizing Guide
04-Feb-2024
(PDF - 1 MB)
Cisco Collaboration Solutions Design Guidance
14-Dec-2023
Preferred Architecture for Cisco Collaboration 15 On-Premises Deployments, Design Overview
04-Nov-2024
(PDF - 2 MB)
Install and Upgrade
Install and Upgrade Guides
Cisco Unified Communications Manager Version 15
Installation Guide for Cisco Unified Communications Manager and the IM and Presence Service, Release 15 and SUs
20-Aug-2025
Upgrade and Migration Guide for Cisco Unified Communications Manager and the IM and Presence Service, Release 15 and SUs
24-Sep-2025
updated
Install and Upgrade TechNotes
Apple Push Notifications Updates
12-May-2020
(PDF - 163 KB)
Install CUCM Cluster Using Data Export and Import Feature
22-Jul-2025
Upgrade IP Phone Firmware Individually
23-Jul-2024
Configuration
Configuration Guides
Cisco Unified Communications Manager Version 15
Configuration and Administration of the IM and Presence Service, Release 15 and SUs
12-Jun-2025
Database Setup Guide for the IM and Presence Service, Release 15 and SUs
31-Jul-2025
Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs
08-Sep-2025
updated
Instant Messaging Compliance for the IM and Presence Service
01-Oct-2024
Interdomain Federation Guide for the IM and Presence Service, Release 15
29-Feb-2024
Microsoft Outlook Calendar Integration for the IM and Presence Service, Release 15 and SUs
01-Oct-2024
Partitioned Intradomain Federation Guide for the IM and Presence Service
17-Jan-2019
Push Notifications Deployment Guide
20-Aug-2024
System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs
26-Oct-2025
Programming Guides
Cisco Unified Communications Manager Version 15
Cisco Unified JTAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs
31-Jul-2025
Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs
29-May-2025
SIP Line Messaging Guide (Standard Edition) for Cisco Unified Communications Manager
27-Mar-2025
Maintain and Operate
End-User Guides
Cisco Unified Communications Manager Version 15
Cisco Unified Communications Self Care Portal User Guide, Release 15
18-Dec-2023
Voice Log Translator 2.3.1 User Guide
14-Apr-2004
Maintain and Operate TechNotes
Managing Voice Quality with CVM and Telemate
26-Jun-2019
Perform a Health Check of CUCM Database Replication
17-Jul-2025
Unified Communications VMware Snapshot Verification
06-Sep-2013
Troubleshooting
Error and System Messages
Cisco Unified Communications Manager Version 15
System Error Messages for Cisco Unified Communications Manager 15
18-Dec-2023
Support FAQ
Q.A for CUCM PHONE CERTIFICATES (LSC/MIC)
21-Nov-2016
Troubleshoot Call Routing Issue via CUCM Dialed Number Analyzer
25-Oct-2024
Literature
White Papers
Case Study IP Telephony Deployment - ACU
02-Feb-2006
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