1. [Home](https://www.g2.com/) 2. ... 3. [VoIP Providers](https://www.g2.com/categories/voip-providers) 4. [Cisco Unified Communications Manager (CallManager) Discussions](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_d152f8dd6df397e3166d4cbbe01e5e1a/cisco-unified-communications-manager-callmanager.png "Product Avatar Image") ](/products/cisco-unified-communications-manager-callmanager/reviews) [ Cisco Unified Communications Manager (CallManager) ](/products/cisco-unified-communications-manager-callmanager/reviews) (111)4.4/5 Cisco Unified Communications Manager (Unified CM), formerly known as Cisco CallManager, is a comprehensive call-processing system that delivers reliable, secure, and scalable voice and video communications for enterprises. It integrates voice, video, messaging, and mobility services, enabling seamless collaboration across various devices and locations. Key Features and Functionality: - Unified Communications: Provides IP telephony, high-definition video, unified messaging, instant messaging, and presence capabilities, consolidating communication tools into a single platform. - Enhanced Mobility: Supports mobile and remote workers with features that enable productivity from any location, transforming workspaces and attracting top talent. - Scalability: Accommodates organizations of varying sizes, from small businesses to large enterprises with up to 80,000 users, ensuring the solution grows with the organization's needs. - Cloud-Connected Operations: Offers Webex Cloud-Connected UC services, allowing centralized control of operations functions such as upgrades, analytics, and troubleshooting across multiple sites. - Open and Interoperable: Supports industry standards and a broad ecosystem of third-party integrations, facilitating rich collaboration and embedding communication within business applications. - Security and Compliance: Utilizes the latest authentication, encryption, and communication protocols, complying with key industry certifications to secure data and communications across various sectors. Primary Value and Solutions Provided: Cisco Unified Communications Manager addresses the need for a cohesive and efficient communication system within organizations. By integrating various communication services, it simplifies infrastructure, reduces costs, and enhances collaboration among employees, regardless of their location or device. Its scalability ensures that businesses can adapt to growth and changing requirements, while robust security measures protect sensitive information. The solution's flexibility, including cloud-connected options, allows organizations to modernize their communication systems and support a dynamic workforce effectively. Show More * * * ### 57.0 Nps Score Already have Cisco Unified Communications Manager (CallManager)? ### All Cisco Unified Communications Manager (CallManager) Discussions Search Most CommentedMost HelpfulPinned by G2Newest All DiscussionsDiscussions with CommentsPinned by G2Discussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Pinned by G2 Newest Filter by All Discussions Discussions with Comments Pinned by G2 Discussions without Comments ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • over 1 year ago More Options - [ # What are the benefits and challenges of using Cisco Unified Communications Manager for enterprise communication? ](/discussions/what-are-the-benefits-and-challenges-of-using-cisco-unified-communications-manager-for-enterprise-communication) What are the benefits and challenges of using Cisco Unified Communications Manager for enterprise communication? 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[ VoIP Providers ](https://www.g2.com/tags/voip-providers)[ UCaaS Platforms ](https://www.g2.com/tags/ucaas-platforms)[ SAP Store Software ](https://www.g2.com/tags/sap-store-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Cisco+Unified+Communications+Manager+%28CallManager%29+questions+and+get+answers+from+expert+users+in+our+Cisco+Unified+Communications+Manager+%28CallManager%29+Discussions+section.&title=Cisco+Unified+Communications+Manager+%28CallManager%29+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fcisco-unified-communications-manager-callmanager%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Cisco+Unified+Communications+Manager+%28CallManager%29+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fcisco-unified-communications-manager-callmanager%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fcisco-unified-communications-manager-callmanager%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Cisco+Unified+Communications+Manager+%28CallManager%29+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fcisco-unified-communications-manager-callmanager%2Fdiscuss%0aAsk+Cisco+Unified+Communications+Manager+%28CallManager%29+questions+and+get+answers+from+expert+users+in+our+Cisco+Unified+Communications+Manager+%28CallManager%29+Discussions+section.) 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Get answers from real users and experts [Start A Discussion](/products/cisco-unified-communications-manager-callmanager/discussions/new) * * * ![Product Avatar Image](https://images.g2crowd.com/uploads/product/hd_favicon/1487565588/cisco-unified-communications-manager-callmanager.svg "Product Avatar Image") ### Have you used Cisco Unified Communications Manager (CallManager) before? Answer a few questions to help the Cisco Unified Communications Manager (CallManager) community [ Yes ](javascript:void(0))[ Yes ](https://www.g2.com/authorize?form=signup&return_to=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fcisco-unified-communications-manager-callmanager%2Fdiscuss%3Fsmall_ask%3Dcisco-unified-communications-manager-callmanager) No