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On-Premise UC to UCaaS Migration: Cisco CUCM to Webex Contact Center

Modernize Your Communications and Empower a Hybrid Workforce

Migrate from Cisco Unified Communications Manager (CUCM) to Webex Contact Center with a partner who understands both architectures. IVI delivers secure, seamless transitions that enhance agility, reduce total cost of ownership, and unify voice, video, and collaboration under a single cloud-native platform.

 

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Why It’s Time to Move Beyond On-Premise CUCM

The Cisco Call Manager System (CUCM) was built for office-centric communication. In a hybrid, cloud-first world, they create technical and financial bottlenecks. A migration to Webex unlocks elastic scale, seamless collaboration, and continuous innovation, without the complexity of on-premise infrastructure.

The Hidden Costs of Staying On-Premise

  • High operational overhead, patching, and maintenance costs.
  • Locked CapEx in depreciating servers and hardware.
  • Specialized IT effort diverted from strategic initiatives.
Result: Transition from a high-maintenance, hardware-dependant system to predictable, cloud-based operational model.

Scalability Without Complexity

Expanding CUCM capacity requires hardware procurement and manual configuration. WebEx scales elastically, instantly accommodating seasonal demand or M&A growth.

Result: Consistent, secure collaboration across office, home, and mobile users.

Secure Collaboration for Hybrid Work

Remote workers often face VPN, licensing, and performance challenges under CUCM. Webex enables secure, location-agnostic access without VPN dependencies.

Result: Consistent, secure collaboration across office, home, and mobile users.

Continuous Innovation, Not Periodic Upgrades

On-premise upgrades are disruptive and slow. Webex’s continuous delivery model ensures new features, security patches, and performance updates roll out automatically.

Result: Always-current capabilities, zero downtime, and reduced IT overhead

IVI’s Phased Approach to CUCM → Webex Migration

Our Cisco-certified engineers follow a proven, five-phase methodology that aligns with Cisco best practices and de-risks the entire migration process.

Phase 1 – Assess & Plan the Migration Strategy

We map your CUCM environment: call flows, devices, integrations, and PSTN models, and define a clear, outcome-driven migration roadmap.

Result: A low-risk, business-aligned strategy with measurable success criteria.

Phase 2 – Prepare the Webex Environment & User Data

We configure Webex Control Hub, synchronize users via Cisco Directory Connector, and prepare PSTN and device assignments.

Result: A ready-to-launch, fully configured Webex environment aligned to enterprise policies.

Phase 3 – Pilot Migration & Validation

A small-scale pilot validates functionality and user experience across devices and locations before full rollout.

Result: Verified system performance and user confidence before cutover.

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Phase 4 – Full Migration & User Onboarding

We execute phased migrations by user group, port numbers, update firmware, and provide structured communication and training.

Result: Smooth adoption and business continuity with minimal disruption.

Phase 5 – Decommission Legacy Systems & Optimize

After full migration, we decommission CUCM servers, voicemail, and gateways, then onboard your new environment into Aegis CX for proactive optimization.

Result: A continuously improving UCaaS environment with reduced cost and ongoing performance gains.

What Enterprises Choose Intelligent Visibility

Differentiator IVI Advantage

Deep Cisco UC Expertise
Certified engineers with decades of experience in CUCM and Webex ecosystems
Structured, Low-Risk Methodology
 Phased execution aligned to Cisco best practices minimizes downtime and risk
Focus on User Adoption
 Communication, training, and change management drive success and ROI
End-to-End Lifecycle Management From assessment to decommissioning and post-cutover support
Automation-Assisted Execution Bulk data automation accelerates migration and eliminates human error

Common AI IVR & Bot Use Cases

  • Hybrid Workforce Enablement

  • Infrastructure Cost Reduction

  • Agile Business Expansion

  • Collaboration Consolidation

  • Collaboration Consolidation

  • Post-Merger Integration

  • Reduce VMware Footprint


Technologies We Master

  • Cisco Unified Communications Manager (CUCM)

  • Webex Calling & Webex Contact Center
  • Cisco Directory Connector
  • Cisco Migration Tools
  • Session Border Controllers (SBCs)

Start Your Cloud Communications Journey

Your CUCM environment has served its purpose, now it’s time to evolve. Partner with IVI to migrate to Webex and empower your workforce with modern, cloud-native collaboration.

Let’s start with an assessment. We’ll give you a clear path forward with zero guesswork.

FAQs: CUCM to Webex Calling Migration

What are the biggest challenges in migrating from CUCM to Webex?

The main challenges are data integrity, firmware compatibility, PSTN migration, and user adoption. IVI’s phased approach mitigates these risks early through pilot testing and automation.

Will we experience downtime during migration?

Our phased migration strategy minimizes disruption. We schedule cutovers during off-hours and validate functionality before user activation.

Can we keep our existing Cisco IP phones?

Yes. Most Cisco 7800 and 8800 series phones can be converted to Webex with a Multiplatform Firmware (MPP) upgrade.

How is Webex different from CUCM?

Webex delivers CUCM’s enterprise calling capabilities through a cloud-native platform with built-in messaging, meetings, and continuous feature delivery.

What happens to CUCM after migration?

After go-live, we decommission the legacy servers, freeing your organization from maintenance contracts, software licensing, and data center overhead.

Experience the Difference: Proven Expertise, Tangible Results?

Mastering complexity is our specialty. With decades of hands-on experience, our team excels in executing intricate cloud integrations, critical contact center migrations, and future-focused network transformations, successfully delivering hundreds of projects for enterprise clients across diverse industries.

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