300-820
Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI)
Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI): Exam Guide and Transition Advice
The 300-820 CLCEI validated skills for implementing Cisco collaboration cloud and edge solutions, including Expressway, Unified IM and Presence, and Webex Teams hybrid capabilities. It served collaboration engineers working with remote access, Business-to-Business calling, and Cisco Unified Communications Manager integration. The key decision now is not whether to schedule CLCEI: Cisco retired it on February 2, 2026. Use this guide to understand the former exam’s scope, decide whether an existing CLCEI credential still matters, and choose the current Cisco replacement for new certification work.
Is 300-820 CLCEI still available?
No. Cisco retired the 300-820 CLCEI exam on February 2, 2026, and lists 300-820 CLHCT as its replacement. A candidate cannot use CLCEI for new certification or recertification after retirement, so preparation should normally move to the current replacement rather than relying on former CLCEI materials.
The retirement date matters when evaluating old study plans, training listings, and practice products. A page or course that still describes CLCEI as an available exam may be referring to the former version of the certification track. Confirm the current exam and topic guide through Cisco before paying for training or attempting to schedule a test.
Cisco’s retired-exam policy states that retired exams are no longer available for certifying or recertifying. Certifications earned from retired exams remain valid until their individual expiration dates. That distinction is important: an existing CLCEI-related credential is not automatically erased, but CLCEI is no longer a route to earn or renew a credential.
What did the former CLCEI validate?
The former exam focused on collaboration cloud and edge implementation rather than a single isolated product feature. Cisco described coverage of collaboration cloud and edge solutions, Cisco Unified IM and Presence, Expressway configurations, and Cisco Webex Teams hybrid and emerging technologies.
The associated course objectives included configuring and troubleshooting Cisco Unified Communications Manager and Cisco Expressway Series integration. They also included configuring and troubleshooting Business-to-Business collaboration solutions and describing Mobile and Remote Access security and integration options.
In practical terms, the former CLCEI scope connected internal collaboration infrastructure with external networks, remote users, and cloud or hybrid services. A useful study interpretation is to follow the traffic and control relationships: identify the participating systems, establish how they discover and authenticate one another, trace media and signaling paths, and then apply security and dial-plan controls.
Which skills appeared in the former blueprint?
The former topic guide grouped the exam around key concepts, initial Expressway configurations, and Mobile and Remote Access. Cisco allocated 25% to the key concepts domain, 25% to the initial Expressway configurations domain, and 25% to the Mobile and Remote Access domain; the published excerpt does not support treating those figures as a complete current blueprint for another exam.
The key-concepts domain included NAT complications, ICE, TURN, STUN, Expressway media traversal, protocol interworking, licensing, SIP media-encryption modes, dial-plan elements, and backup and restore procedures. These topics reward explanation and troubleshooting logic, not isolated vocabulary memorization.
The initial Expressway configurations domain included Expressway DNS, network interfaces, certificates, QoS, clustering, firewall rules, dial-plan elements, toll-fraud prevention, and Business-to-Business collaboration solutions. Prepare by connecting each configuration item to a failure it can cause. For example, DNS, certificates, and firewall rules should be studied as related dependencies rather than as unrelated menu locations.
Mobile and Remote Access was also a named domain in the former guide. The course material specifically connected Expressway with Mobile and Remote Access, authentication options, and additional Expressway features. Treat this area as an end-to-end service: client location, discovery, authentication, traversal, policy, and media behavior all affect the result.
How should the percentages influence study time?
Use the published percentages to prevent neglect of the named domains, but do not turn them into a substitute for the topic list. Since the exam is retired, these allocations are historical planning information. For any current certification attempt, use the current Cisco blueprint instead of transferring CLCEI percentages to 300-820 CLHCT.
What should you learn about Expressway first?
Start with the Expressway role in the solution and the path a call or remote session takes through the environment. Once that model is clear, configuration details such as interfaces, DNS, certificates, firewall rules, traversal, and dial-plan behavior become easier to troubleshoot and less likely to be memorized incorrectly.
Build a small architecture diagram before reading individual configuration notes. Mark the internal and external Expressway roles, Unified Communications Manager, remote clients, Business-to-Business peers, and any cloud or hybrid service represented in your lab or documentation. Add signaling and media paths separately; a signaling connection can succeed while media traversal fails.
Then study the dependencies in this order: name resolution, network reachability, certificates and trust, traversal configuration, firewall and NAT behavior, dial-plan routing, and media security. This sequence is a practical recommendation, not an official Cisco exam order. It gives you a repeatable way to isolate faults without changing several variables at once.
Include clustering and QoS after the basic path is understood. Clustering introduces availability and distribution considerations, while QoS affects the experience when traffic competes for network capacity. Review toll-fraud prevention alongside routing and policy so that a technically successful call is not treated as a secure implementation by default.
How do NAT, ICE, TURN, and STUN fit together?
Study NAT traversal as a decision problem: determine which addresses each endpoint can reach, whether direct media is possible, and when a relay or traversal service is needed. ICE, TURN, and STUN should be learned as parts of that process, alongside Expressway media traversal, rather than as three disconnected definitions.
For each concept, write a short answer to four questions: what information does it provide, which participant uses that information, what condition makes it necessary, and what symptom appears when it fails? This produces troubleshooting notes that are more useful than flashcards containing only protocol expansions.
Add protocol interworking to the same exercise. Different collaboration systems may not represent signaling, media, or features in exactly the same way. Your study notes should identify the boundary where translation occurs and the capability that may be affected. Keep this analysis grounded in the former topic guide and Cisco course material; do not assume that an example from another collaboration product applies automatically.
A practical lab decision is to change one network condition at a time. Test a working path, introduce a controlled reachability or address-translation difference, and record the expected signaling and media result. If you cannot access a lab, draw the path and predict the outcome before consulting reference material. The prediction step exposes gaps that passive reading often hides.
How should you prepare for Mobile and Remote Access?
Treat Mobile and Remote Access as a secure integration workflow, not simply as a remote-login feature. Prepare to explain how users discover the service, how authentication is handled, how the collaboration infrastructure is reached, and how security and media traversal affect the session.
Create a one-page flow for a remote user. Include the client’s external starting point, DNS discovery, the Expressway path, authentication, the internal collaboration system, and the return path for media. Add a separate list of controls: certificates, firewall policy, authentication choices, and toll-fraud protections. This gives you a checklist for both configuration and troubleshooting.
Use failure-based questions during revision. Ask what you would inspect if discovery failed, if authentication succeeded but the service was unavailable, or if signaling worked while media did not. The purpose is not to predict live exam questions; it is to practise the reasoning required to connect symptoms with the relevant part of the architecture.
Do not study remote access in isolation from Business-to-Business collaboration. Both scenarios cross trust and network boundaries, but their users, routing relationships, and security decisions may differ. Compare the paths in a table and record which assumptions are safe only for one scenario.
What is the best preparation sequence?
A sensible sequence is architecture first, protocol and traversal concepts second, Expressway foundations third, security and routing fourth, and integrated troubleshooting last. This order moves from system behavior to configuration and then to diagnosis. It is a practical recommendation for learning the former CLCEI scope, not a Cisco-mandated course sequence.
Phase one: establish the vocabulary and components. Read the former exam overview and course objectives, then list Unified Communications Manager, Expressway Series, Unified IM and Presence, Webex Teams hybrid capabilities, Business-to-Business collaboration, and Mobile and Remote Access. For every item, write its role and its relationship to the other components.
Phase two: map the traffic and trust boundaries. Review NAT complications, ICE, TURN, STUN, Expressway media traversal, protocol interworking, SIP media-encryption modes, and certificates. Draw separate signaling and media paths and annotate where address translation, encryption, or protocol conversion can alter behavior.
Phase three: work through configuration dependencies. Cover Expressway DNS, network interfaces, certificates, QoS, clustering, firewall rules, dial-plan elements, licensing, backup and restore, and toll-fraud prevention. For each topic, create a precondition, an implementation action, a validation check, and a likely failure symptom.
Phase four: integrate the topics in scenarios. Start with a Business-to-Business call, then a Mobile and Remote Access session, then a Cisco Unified Communications Manager and Expressway integration problem. Finish each exercise by explaining not only what you would change, but why that change addresses the observed failure and what security consequence it may have.
How can a four-week plan be adapted?
For a four-week personal plan, use the first week for architecture and key concepts, the second for Expressway configuration dependencies, the third for Mobile and Remote Access and Business-to-Business flows, and the fourth for mixed troubleshooting and review. Adjust the pace to your experience; because CLCEI is retired, apply this schedule to historical understanding or transfer the method to the current Cisco blueprint.
How can hands-on practice improve retention?
Hands-on work is most valuable when every change has a stated purpose and a validation step. Cisco’s former CLCEI course included lessons and hands-on labs and was designed as five days of instructor-led classroom training or equivalent e-learning. That describes the former course, not a promise that a current CLCEI class or exam is available.
Use a lab journal with four columns: starting design, change made, expected result, and observed result. Record DNS, certificates, traversal, firewall, dial-plan, media, and authentication observations. When a test fails, preserve the failed state long enough to identify the cause instead of immediately rebuilding the environment.
A useful exercise is to implement the simplest working path first, validate it, and then add one feature or boundary at a time. For example, establish internal integration before introducing external traversal, then add the security and routing controls relevant to the scenario. This staged approach makes dependencies visible and reduces random configuration changes.
If no lab is available, substitute configuration reading with structured diagrams and troubleshooting matrices. For each topic, document the component involved, the prerequisite, the observable symptom, the evidence you would collect, and the corrective direction. Do not represent diagrams or theoretical exercises as equivalent to Cisco’s hands-on lab experience.
Which study mistakes create false confidence?
The most serious mistake is preparing for a retired exam as though it were schedulable. Check Cisco’s retirement information before using any old blueprint, course, or booking workflow. A second mistake is transferring former CLCEI topics or percentages directly to 300-820 CLHCT without reading the replacement exam’s current objectives.
Memorizing product terms without tracing a call path creates another gap. A candidate may recognize NAT, certificates, or TURN individually yet be unable to explain which boundary caused a media failure. Require yourself to connect each term to a component, a dependency, a validation method, and a symptom.
Do not treat a successful call as proof of a secure implementation. Review certificate trust, authentication, firewall policy, encryption modes, dial-plan restrictions, and toll-fraud prevention separately. Availability, interoperability, and security are related but not interchangeable outcomes.
Avoid relying on exam dumps, leaked questions, or claims that memorization guarantees a pass. Such material does not establish current Cisco objectives and does not develop the implementation judgment represented by configuration and troubleshooting work. Use official topic information and legitimate training resources, then test your understanding with original scenarios you create from the documented objectives.
What delivery details were documented for CLCEI?
The former CLCEI exam was documented as 90 minutes and available in English. Those details describe the retired 300-820 exam and should not be used to infer the format, duration, or language of its replacement. Cisco’s current exam information is the appropriate authority for any new scheduling decision.
The former exam was associated with the CCNP Collaboration and Cisco Certified Specialist - Collaboration Cloud & Edge Implementation certifications. The former course also earned 40 Continuing Education credits toward recertification, according to Cisco’s course material. Because the exam and course are historical, verify any credential or continuing-education question against current Cisco policy before acting.
Do not confuse course attendance with exam eligibility or certification attainment. The supplied Cisco material establishes that the course included lessons and hands-on labs; it does not establish a current CLCEI booking option, a passing score, question count, testing center policy, or remote-delivery arrangement. Those unsupported details should be left out of a scheduling plan.
Should you pursue CLHCT instead?
If your goal is a current Cisco collaboration concentration exam covering hybrid and cloud technologies, 300-820 CLHCT is the replacement Cisco lists for retired CLCEI. Read the current CLHCT exam topics before selecting training, because a replacement exam should not be assumed to have identical objectives, weighting, format, or delivery details.
Cisco announced that the updated collaboration certification changes began on February 3, 2026, including the v2.0 exam topics for 300-820 CLHCT. The announcement also described a 50/50 split between cloud and on-premises collaboration content in the updated track. Treat that as context for the updated certification direction, while using the current official exam page and blueprint for the precise requirements of your attempt.
Former CLCEI study can still provide useful background if your work involves Expressway, remote access, Business-to-Business collaboration, or Unified Communications Manager integration. Re-label that knowledge as transferable foundation rather than assuming it satisfies the CLHCT blueprint. Build a crosswalk: former CLCEI topic, current CLHCT topic, evidence of present coverage, and a gap requiring new study.
Your next action should be specific. Open Cisco’s current CLHCT exam information, confirm that it is the credential you need, download the current topic outline, and replace every former CLCEI-only resource that lacks a current mapping. Then schedule only after you understand the current registration and delivery requirements shown by Cisco.
What should you do if you already earned CLCEI?
If you earned a CLCEI-associated certification before retirement, check its individual expiration date and Cisco’s recertification rules rather than assuming retirement invalidated it. Cisco states that certifications earned from retired exams remain valid until their individual expiration dates, while the retired exam itself is unavailable for certifying or recertifying.
Keep evidence of the credential and review your Cisco certification record. Then decide whether your professional objective is to maintain the existing credential until expiration, pursue a current CCNP Collaboration path, or develop a cloud and hybrid specialization aligned with your employer’s environment. The correct choice depends on your credential status and current certification requirements.
For a renewal plan, do not count the former course’s 40 Continuing Education credits automatically. Cisco’s statement about those credits belongs to the former CLCEI course. Confirm whether any credits were earned, recorded, and applicable under the current Continuing Education rules before using them in a recertification decision.
A final checklist for an informed next step
The right next step is a verification exercise: establish whether you are studying historical CLCEI content or pursuing a current credential. Once that is clear, use the appropriate Cisco blueprint, build a topic-to-skill study plan, and reserve hands-on time for the integration and troubleshooting decisions that reading alone cannot demonstrate.
Before continuing, confirm these points:
CLCEI is retired and cannot be scheduled as a new certifying or recertifying exam.
An earned CLCEI-associated certification remains valid until its individual expiration date under Cisco’s retired-exam policy.
The former scope included Expressway, Unified IM and Presence, Webex Teams hybrid and emerging technologies, Business-to-Business collaboration, and Mobile and Remote Access.
Former study areas included NAT, ICE, TURN, STUN, certificates, firewall rules, dial plans, media traversal, security, licensing, clustering, and backup and restore.
The former exam’s documented duration was 90 minutes and its available language was English; neither detail should be transferred to the replacement without current evidence.
For a current attempt, review 300-820 CLHCT and its latest Cisco-published requirements instead of booking or buying preparation for CLCEI.
Use official Cisco pages for status, objectives, registration, and recertification decisions. This guide can organize your preparation, but it cannot replace the current source of exam requirements.
Conclusion
300-820 CLCEI remains useful as a record of the Expressway and collaboration cloud-edge skills Cisco previously assessed, but it is no longer an available exam. Candidates starting now should validate the current 300-820 CLHCT requirements and build a new study plan from its official blueprint. Candidates who already earned a CLCEI-associated credential should check its expiration and recertification position. In either case, the most durable preparation method is to connect architecture, traversal, security, routing, and troubleshooting in realistic implementation workflows rather than memorize disconnected terms.
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