Migrating from Cisco UCCE or UCCX to Amazon Connect: What UK Contact Centres Need to Know Before They Start

Arkadas Kilic
Arkadas Kilic 8 min read · 2026-07-15
Author: Arkadas Kilic, Founder and CEO, Rel8 CX

Most UK contact centres running Cisco UCCE or UCCX are somewhere in the same position: a renewal conversation is approaching, the platform is expensive to maintain, and the business wants AI capabilities that Cisco simply cannot deliver at pace. Amazon Connect is the destination most teams land on. The question is not whether to migrate. The question is how to do it without breaking your operations.

This guide covers the practical realities of migrating from Cisco UCCE or UCCX to Amazon Connect in a UK context, including what to audit before you start, where migrations typically stall, how long things actually take, and what compliance requirements you cannot afford to overlook.

Why UK Contact Centres Are Moving Off Cisco Now

Cisco UCCE and UCCX have served contact centres well for over a decade, but the economics and capability gap have shifted decisively. Cisco licensing for a mid-sized contact centre of 200 to 500 agents typically runs between £400,000 and £900,000 per year when you include infrastructure, support contracts, and professional services. Amazon Connect charges per minute of usage, with no upfront licensing, and the total cost of ownership for comparable deployments typically comes in 40 to 60 percent lower over a three-year period.

Beyond cost, the capability gap is now material. Real-time transcription, AI-powered agent assist, autonomous post-call summarisation, and intelligent routing based on customer intent are all native or easily integrated on Amazon Connect. On Cisco, the same capabilities require third-party bolt-ons that rarely integrate cleanly and always cost more.

For UK organisations in financial services, insurance, utilities, and healthcare, the compliance and data residency story on AWS is also increasingly compelling. AWS EU-WEST-2 (London) gives you a clear answer to data sovereignty questions that Cisco on-premise or hybrid deployments make complicated.

Before You Start: The Audit That Determines Everything

The single biggest predictor of migration success is the quality of your pre-migration audit. Teams that skip this step or treat it as a box-ticking exercise consistently underestimate scope and overrun timelines.

1. Map Every Call Flow and IVR Tree

Cisco UCCE and UCCX IVR configurations accumulate years of changes, workarounds, and undocumented logic. Before you can rebuild in Amazon Connect Contact Flows, you need a complete picture of what exists today.

Document every queue, every routing rule, every business hours schedule, every prompt file, and every conditional branch. In our experience, contact centres with more than five years on Cisco typically discover 20 to 35 percent more call flows than anyone on the business side knew existed. Many of these are legacy flows for products or campaigns that no longer exist but still receive calls.

This audit typically takes two to four weeks for a contact centre of 100 to 300 agents. Do not compress it.

2. Inventory Your Integrations

Cisco UCCE and UCCX are deeply integrated into most contact centre technology stacks. Common integrations that need to be re-architected for Amazon Connect include:

For each integration, document the data exchanged, the direction of the call, the latency requirements, and who owns the system. Amazon Connect integrates natively with many of these via AWS Lambda and pre-built connectors, but the integration design work is non-trivial and needs to start early.

3. Assess Your Agent Desktop

Cisco Finesse is the agent desktop for most UCCE and UCCX deployments. Amazon Connect has its own agent workspace, and it also supports the Amazon Connect Streams API for custom or embedded desktop builds.

If your agents use Salesforce, the Amazon Connect CTI Adapter for Salesforce is mature and well-supported. If you have a bespoke agent desktop built on top of Finesse, plan for a rebuild. The effort varies widely, from four weeks for a straightforward migration to four to six months for complex bespoke builds.

4. Review Your Number Estate

UK number porting to Amazon Connect is handled through AWS and follows Ofcom porting rules. Geographic numbers (01/02), non-geographic numbers (03, 08), and freephone (0800) numbers all port differently, and some number ranges have restrictions.

Allow six to twelve weeks for number porting in complex cases. Do not leave this to the last month of your migration.

UK Compliance Requirements You Cannot Overlook

FCA and PCI DSS

If you operate in financial services or handle card payments, your Amazon Connect deployment needs to address call recording compliance, data retention policies, and PCI DSS scope for card capture flows.

Amazon Connect supports pause and resume recording natively, which is the standard approach for removing card data from recordings. For FCA-regulated firms, call recording retention of at least five years (seven for some activities) needs to be configured in Amazon S3 with appropriate lifecycle policies and access controls from day one.

GDPR and UK Data Protection Act 2018

Amazon Connect in EU-WEST-2 keeps your call recordings, transcripts, and contact data in the UK by default. However, you need to review every Lambda function, every third-party integration, and every data export to confirm that personal data does not flow to regions outside the UK or EU without appropriate safeguards.

Data subject access requests (DSARs) require you to be able to retrieve all contact data associated with an individual. Build this capability into your architecture from the start rather than retrofitting it later.

Ofcom and Consumer Duty

The FCA Consumer Duty requirements that came into force in 2023 have direct implications for contact centre design. Vulnerable customer identification, appropriate hold time management, and clear escalation paths are not just good practice. They are regulatory expectations. Amazon Connect supports all of these through Contact Lens, real-time analytics, and custom routing logic, but they need to be designed in deliberately.

Migration Approaches: Phased vs. Big Bang

For most UK contact centres migrating from Cisco UCCE or UCCX, a phased migration by queue or business unit is the right approach. A big bang cutover carries unnecessary risk for operations handling thousands of calls per day.

Phased Migration Pattern

A typical phased migration looks like this:

Phase 1 (weeks 1 to 6): Foundation build. AWS account structure, networking, Amazon Connect instance configuration, core integrations, agent workspace, and a pilot queue with 10 to 20 agents. This phase validates your architecture and surfaces integration issues before they affect the full operation. Phase 2 (weeks 7 to 14): Expand to additional queues and agent groups. Migrate the highest-volume, lowest-complexity queues first to build confidence and refine your runbook. Phase 3 (weeks 15 to 20): Complex queues, specialist teams, and any bespoke integrations. By this point your team is operating Amazon Connect in production and the remaining migration is execution rather than discovery. Phase 4 (weeks 21 to 24): Final cutover, Cisco decommission, and post-migration stabilisation.

This timeline assumes a contact centre of 150 to 400 agents with moderate integration complexity. Larger or more complex environments will take longer. Simpler UCCX deployments with fewer integrations can move faster.

Running Cisco and Amazon Connect in Parallel

During a phased migration, you will run both platforms simultaneously. This requires careful number routing management. The standard approach is to use your existing telephony layer (SIP trunks or a carrier routing platform) to direct traffic to either Cisco or Amazon Connect based on the queue or DNIS. AWS Direct Connect or VPN connectivity between your existing infrastructure and AWS is typically required for integration continuity during the transition period.

Where Migrations Stall: The Five Most Common Blockers

Based on contact centre migrations we have delivered, these are the issues that most commonly cause delays:

1. Undocumented IVR logic discovered late. The audit phase surfaces this if done properly. When it is skipped or rushed, teams discover complexity mid-migration that forces replanning. 2. WFM integration underestimated. Workforce management integrations with Amazon Connect require real-time agent state data, historical reporting feeds, and sometimes bidirectional schedule management. This is more complex than it looks and needs dedicated integration effort. 3. Number porting delays. Six to twelve weeks is a realistic timeline for complex porting scenarios. Teams that start this process late create hard constraints on their go-live date. 4. Security and network approval cycles. In regulated industries, getting network changes, firewall rules, and new AWS account structures through internal security review takes longer than expected. Start the approval process in week one, not week eight. 5. Agent training underinvestment. Amazon Connect is a different experience from Cisco Finesse. Agents who are not properly trained before cutover generate a spike in handle time and supervisor escalations in the first two to four weeks. Budget for proper training and a hypercare period.

What Amazon Connect Gives You That Cisco Cannot

Once you are in production on Amazon Connect, the platform capabilities available to you are materially different from what Cisco offers.

Contact Lens provides real-time and post-call transcription, sentiment analysis, and automated quality scoring across 100 percent of contacts. On Cisco, comparable coverage requires significant third-party investment. Amazon Connect Cases gives agents a native case management capability without requiring a separate CRM licence for every agent. AI-powered routing based on customer intent, predicted wait time, and agent skills is configurable without custom development. Cisco requires Cisco AI or third-party tools to approach this capability. Autonomous agents built on AWS Bedrock and integrated with Amazon Connect can handle end-to-end resolution for high-volume, repeatable contact types, such as balance enquiries, appointment scheduling, policy lookups, and payment processing, without agent involvement. These are not experimental features. We build and deploy them in production in 4 to 6 weeks.

What to Look for in a Migration Partner

Not every AWS partner has delivered contact centre migrations at scale in regulated UK industries. When evaluating partners, ask for:

The difference between a partner who advises and a partner who builds is the difference between a migration that completes and one that stalls in a prolonged design phase.

Summary: Key Actions Before You Start

1. Run a full IVR and call flow audit. Allow two to four weeks. Do not compress it.

2. Inventory every integration and assign an owner to each.

3. Start number porting planning on day one of the project.

4. Engage your internal security and network teams in week one.

5. Define your compliance requirements upfront: FCA, PCI DSS, GDPR, Consumer Duty.

6. Choose a phased migration approach unless your environment is genuinely simple.

7. Budget for agent training and a four-week hypercare period post-cutover.

8. Select a partner who has delivered this specific migration in a UK regulated context.

We build Amazon Connect contact centres for UK enterprises in regulated industries. If your Cisco renewal is approaching or you are ready to start scoping a migration, let us show you what a production-ready migration looks like.

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