# Cisco Unified Communications Manager
**Wikidata**: [Q1027338](https://www.wikidata.org/wiki/Q1027338)  
**Source**: https://4ort.xyz/entity/cisco-unified-communications-manager

## Summary
Cisco Unified Communications Manager (CUCM), formerly known as Cisco CallManager, is a software platform developed by Cisco that serves as the core component for managing voice over IP (VoIP) communications and unified communications services within enterprise networks.

## Key Facts
- **Classification:** Instance of software, specifically a unified communications platform
- **Developer:** Cisco Systems
- **Aliases:** Cisco CallManager, Cisco CallManager Express, Cisco Unified CallManager, CallManager, CUCM
- **Primary Function:** Manages voice over IP (VoIP) communications and unified communications services
- **Website:** http://www.cisco.com/en/US/products/ps12515/index.html
- **Sitelink Count:** 5
- **Wikipedia Languages:** Available in German (de), Spanish (es), French (fr), Dutch (nl), and Polish (pl)
- **Freebase ID:** /m/02bjyj
- **Quora Topic:** Cisco-Unified-Communications-Manager

## FAQs
### Q: What is the primary purpose of Cisco Unified Communications Manager?
A: It serves as the core software platform for managing voice over IP (VoIP) communications and unified communications services within enterprise networks.

### Q: What organizations is Cisco Unified Communications Manager associated with?
A: It is developed and maintained by Cisco Systems, with documentation and support provided through Cisco's official website.

### Q: What technologies does Cisco Unified Communications Manager support?
A: The platform primarily supports voice over IP (VoIP) communications and provides unified communications services for enterprise environments.

### Q: How is Cisco Unified Communications Manager categorized?
A: It is classified as software, specifically a unified communications platform, with aliases including Cisco CallManager and CallManager.

## Why It Matters
Cisco Unified Communications Manager represents a foundational component in modern enterprise communication infrastructure, transforming traditional telephony systems into integrated, IP-based solutions. By centralizing voice and data services, it enables organizations to streamline communication workflows, reduce operational costs, and enhance collaboration capabilities across distributed work environments. The platform's significance lies in its role as the backbone for unified communications, allowing businesses to consolidate multiple communication technologies into a single management framework. Its development has been instrumental in driving the adoption of IP telephony and enabling the evolution from traditional PBX systems to modern cloud-based and hybrid communication solutions.

## Notable For
- **Unified Communications Leadership:** Serves as the industry standard for enterprise voice and unified communications management
- **Legacy Evolution:** Evolved from earlier products like Cisco CallManager, maintaining backward compatibility while introducing advanced features
- **Enterprise Integration:** Designed to integrate with other Cisco and third-party applications, creating comprehensive communication ecosystems
- **Scalability:** Supports large-scale deployments with thousands of users and complex network architectures
- **Feature Richness:** Provides comprehensive call control, media processing, and management capabilities

## Body
### Definition and Classification
Cisco Unified Communications Manager (CUCM), previously known as Cisco CallManager, is a software platform developed by Cisco Systems. It functions as the core component for managing voice over IP (VoIP) communications and unified communications services within enterprise networks. The platform is classified as software, specifically a unified communications platform, with multiple aliases including Cisco CallManager, Cisco CallManager Express, and CallManager.

### Developer and Distribution
The software is developed and maintained by Cisco Systems, with official documentation and support provided through Cisco's website at http://www.cisco.com/en/US/products/ps12515/index.html. The platform is marketed as a comprehensive solution for enterprise communication needs, with versions tailored for different deployment scenarios including on-premises installations and cloud-based services.

### Technical Architecture and Functionality
CUCM operates as a centralized call control system that manages voice and multimedia communications across IP networks. It provides features including call routing, media processing, user management, and integration with other enterprise applications. The platform supports various communication protocols including SIP, H.323, and MGCP, enabling interoperability with different hardware and software components.

### Deployment and Integration
The software is designed to be deployed in enterprise environments with varying scales, from small businesses to large multinational corporations. It integrates with other Cisco products such as Cisco IP Phones, Cisco Unified Border Element, and Cisco Video Communication Server to create comprehensive unified communications solutions. The platform supports both on-premises installations and cloud-based deployments through Cisco's Unified Communications as a Service (UCaaS) offerings.

### Technical Specifications and Features
CUCM provides extensive functionality including:
- Advanced call routing and queuing
- Voice mail and unified messaging
- Conference bridge capabilities
- Mobility and remote access features
- Integration with contact center systems
- Reporting and analytics tools

The platform supports multiple languages including German, Spanish, French, Dutch, and Polish as indicated by its Wikipedia presence across these languages. Technical documentation and community support are available through Cisco's extensive resources, with the platform maintaining a sitelink count of 5 on Wikipedia.

### Evolution and Legacy
The software has evolved significantly since its introduction as Cisco CallManager. Early versions focused primarily on IP telephony, while subsequent releases introduced unified communications features including video conferencing, presence services, and application integration. The platform maintains backward compatibility with older hardware and software components, allowing organizations to upgrade gradually while preserving existing investments.

### Industry Impact and Standards
Cisco Unified Communications Manager has established itself as a de facto standard in enterprise communication systems, influencing industry standards and best practices for unified communications. Its widespread adoption has driven the development of complementary technologies and services, creating a comprehensive ecosystem of communication solutions. The platform's influence extends beyond voice communications to include collaboration tools, contact center solutions, and cloud-based communication services.

## References

1. Freebase Data Dumps. 2013
2. Quora