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UCM 15 represents a major development for Cisco Unified Communications Supervisor and the 30+ million customers who depend on it day-after-day. It strengthens enterprise calling with improved safety, resiliency, and operational simplicity, whereas increasing flexibility in how organizations deploy and evolve their communications environments.
Organizations method modernization in another way. Some will stay on-premises long run, together with these in air-gapped or extremely regulated environments. Others are extending present investments with cloud capabilities or planning phased transitions to cloud-based fashions. UCM 15 is designed to assist this full spectrum of wants with out disruption.
On-Premises Dedication, Versatile Path Ahead
UCM 15 underscores Cisco’s long-term dedication to the platform. This funding extends properly past a single launch, with a roadmap that spans UCM 16 and past. UCM stays a strategic basis for enterprise calling, notably for organizations that rely upon on-premises or air-gapped deployments to fulfill important enterprise and regulatory necessities.
On the identical time, Cisco is making it simpler to entry cloud capabilities whereas sustaining the continuity of on-premises calling. Organizations can proceed operating UCM the place it makes probably the most sense, whereas selectively integrating cloud providers when and the place they ship worth—with no compelled transition or fastened finish state.
The result’s a mannequin that delivers each continuity and selection: long-term confidence for on-premises environments, with a transparent, low-friction path to increase into new deployment choices over time.
Bridging Cloud and Premises
A serious theme in UCM 15 is the tighter connection to the broader Webex ecosystem. This launch displays a view that the way forward for enterprise calling just isn’t a easy alternative between on-premises and cloud. Hybrid is the truth for a lot of organizations, and UCM 15 is designed with this structure in thoughts.
By way of Webex Cloud-Related UC, UCM 15 allows clients to increase on-premises deployments with cloud-powered capabilities equivalent to analytics, troubleshooting, certificates administration, and utility integrations. This enables organizations to realize quick worth from the cloud whereas sustaining present name management, making a extra related and clever operational mannequin.
Constructing on this basis, Webex Calling Hybrid represents an industry-first method to modernizing enterprise calling. It brings collectively the reliability and management of UCM with the innovation and agility of the Webex cloud, permitting organizations to evolve their structure with out disruption.
To study extra about Webex Calling Hybrid and see the way it works in apply, be part of our stay webinar on April 13, 2026 at 9:00 AM PT, that includes professional insights and stay Q&A.
Finish-Person Expertise and Interoperability
UCM 15 is designed round consumer alternative and adaptability. For Jabber customers, Cisco continues to offer a well-known and trusted expertise, with ongoing funding and enhancements equivalent to AI-powered background noise removing.
As well as, Cloud-Related UC allows entry to cloud-powered capabilities and integrations. It connects UCM to each the Webex app and platforms like Microsoft Groups, giving organizations the flexibleness to increase past conventional calling when and the place it is sensible.
By way of the Webex app, organizations can ship a extra fashionable calling expertise with capabilities equivalent to seamless login, synchronized name historical past, and multiline assist throughout units. Integrations with Microsoft Groups prolong calling options like name historical past, voicemail, presence synchronization, and name forwarding visibility into the instruments customers depend on day-after-day.
The result’s an expertise that adapts to how customers work as we speak. Organizations can proceed with acquainted instruments, undertake new functions, or combine throughout platforms with out being compelled right into a single path ahead.
Safety, Modernization, and Flexibility
UCM 15 delivers foundational investments in safety and platform modernization, together with the core Linux transition, Python 3, fashionable cryptographic elements, IDS capabilities, and 64-bit assist. These updates strengthen safety, enhance long-term supportability, and cut back dangers related to growing older dependencies. The discharge additionally advances alignment with key requirements equivalent to FIPS 140-2, USGv6, and broader federal readiness necessities, making it well-suited for regulated and security-sensitive environments.
This modernization continues by way of service updates. SU1 helps migration to model 15 whereas addressing legacy OS dependencies, together with the removing of CentOS 7. SU2 introduces TLS 1.3, a significant step ahead in securing communications. Collectively, these updates guarantee UCM evolves with fashionable safety necessities whereas sustaining compatibility for advanced enterprise deployments.
Operational enhancements, together with certificate-based multifactor authentication for RTMT, CER updates, and enhanced migration tooling, simplify administration and ongoing administration.
UCM 15 additionally expands infrastructure flexibility. With SU4, Cisco introduces assist for alternate hypervisor choices equivalent to NFVIS-for-UC and Nutanix, giving organizations higher management over value, licensing, and virtualization technique. Mixed with continued developments in areas like TLS and IPv6, these updates guarantee UCM stays aligned with fashionable enterprise architectures and prepared for what comes subsequent.
Why UCM 15 Issues NowÂ
UCM 15 just isn’t outlined by a single characteristic, however by the mixture of stability and modernization delivered collectively. It reinforces Cisco’s long-term dedication to on-premises and controlled environments whereas enabling higher entry to cloud capabilities. Throughout safety, consumer expertise, operations, and infrastructure, UCM 15 strengthens the platform in ways in which matter most to enterprise organizations.Â
This launch stands out as one of the crucial important in UCM’s evolution. It displays continued funding in safe, resilient, enterprise-grade calling whereas adapting to a future that’s extra built-in and versatile.
For organizations trying to modernize with out sacrificing management or disrupting mission-critical communications, UCM 15 is a necessary step ahead. Whether or not the aim is to stay on-premises, prolong worth by way of cloud providers, or put together for broader infrastructure adjustments, UCM 15 supplies a stronger basis to construct on.
Able to modernize your calling setting? Contact us or watch the webinar under to study extra about Cisco UCM 15.
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