The Cisco 500-444 CCEIT exam is one of those Cisco exams that can look unusually specialized when you first encounter it. It does not revolve around configuring VLANs, memorizing OSPF behavior, or designing a campus network. Instead, it takes you into the infrastructure behind an enterprise contact center: call routing, agent desktops, reporting, dial plans, certificates, integration, and the troubleshooting process that keeps all of those pieces working together.
That specialization is exactly what makes CCEIT interesting. If your goal is simply to become a general network engineer, this probably should not be your first Cisco exam. If you work with Cisco collaboration technologies, enterprise voice, customer experience platforms, or Cisco Packaged Contact Center Enterprise (PCCE), however, the knowledge covered by 500-444 can be directly relevant to real implementation and support work.
This guide explains what the Cisco 500-444 CCEIT exam covers, how valuable it is from a career perspective, which technologies you should understand, and how I would approach preparation if I were building my PCCE knowledge from the ground up.
What Is the Cisco 500-444 CCEIT Exam?
CCEIT stands for Cisco Contact Center Enterprise Implementation and Troubleshooting. The exam code is 500-444.
Cisco describes the exam as an assessment of a candidate’s ability to work with the preparation, initialization, configuration, implementation, and troubleshooting of Packaged Contact Center Enterprise.
- Exam code: 500-444
- Exam name: Cisco Contact Center Enterprise Implementation and Troubleshooting
- Common abbreviation: CCEIT
- Duration: 90 minutes
- Language: English
- Primary technology: Cisco Packaged Contact Center Enterprise (PCCE)
- Cisco specialization association: Advanced Unified Contact Center Enterprise Specialization
One point is worth clarifying for newcomers. CCEIT should not be viewed in exactly the same way as CCNA or CCNP. Cisco currently places 500-444 among its channel, partner, and other specialized exams and associates it with the Advanced Unified Contact Center Enterprise Specialization. In other words, it has a much narrower technology focus than Cisco’s mainstream networking career certifications.
That does not make the exam less technical. In some respects, it is the opposite. A general networking exam can test a wide range of technologies at moderate depth. CCEIT expects you to understand how several collaboration and contact-center components interact as one production system.
If you are building a preparation plan, it can also be useful to keep a dedicated 500-444 CCEIT exam preparation resource alongside the official Cisco blueprint so that you can organize your review around the technologies most closely associated with the exam.
Cisco 500-444 CCEIT Exam Topics
According to Cisco’s currently linked CCEIT v1.0 exam blueprint, the exam is divided into four major domains.
| Exam Domain | Weight | Main Focus |
|---|---|---|
| PCCE Implementation Preparation | 30% | Deployment planning, staging, software preparation, certificates |
| PCCE Implementation Initialization | 10% | Integration Wizard, adding sites, CUIC/Live Data/Finesse integration |
| PCCE Implementation – Configuration | 30% | Dial plans, deployment validation, scripting, Single Sign-On |
| Troubleshooting | 30% | CCE flows, diagnostic framework, practical troubleshooting |
The percentages immediately tell you something important about the exam. This is not a configuration-only test. Troubleshooting represents 30% of the blueprint, while another 30% deals with planning and preparing a deployment.
A candidate who memorizes configuration screens but cannot work out why a call fails between two components is therefore missing a large part of what CCEIT is designed to measure.
Cisco also notes that exam topics can be changed without notice, so candidates should always compare their study plan against the latest official blueprint before scheduling the exam.
What Exactly Is Cisco PCCE?
Before going deeper into the exam, it helps to understand the product at the center of it.
Cisco Packaged Contact Center Enterprise is an enterprise contact-center deployment model based on Cisco Contact Center Enterprise technologies. It combines several systems to provide functions such as intelligent call routing, queuing, agent selection, interactive voice response, agent desktop services, and reporting.
The word Packaged matters. PCCE provides a more standardized deployment architecture than building every Unified CCE component independently. That can simplify deployment and administration, but it does not remove the need to understand how the individual components communicate.
A useful mental model for beginners is to separate a contact-center environment into a few functional areas:
- Voice and SIP connectivity brings customer calls into the environment.
- CVP and voice-browser components provide call treatment and interactive voice functionality.
- CCE routing logic decides what should happen to a contact.
- Cisco Unified Communications Manager handles enterprise call-control functions.
- Cisco Finesse provides the agent and supervisor desktop experience.
- Cisco Unified Intelligence Center provides reporting and operational visibility.
- Live Data provides real-time contact-center information.
The actual architecture is more detailed than this, but this model gives a new learner somewhere to start.
Core Technologies You Should Know for CCEIT
1. Cisco Unified Communications Manager
Cisco Unified Communications Manager (CUCM) is a major call-control platform in Cisco collaboration environments. Even though 500-444 is not a CUCM administration exam, you need enough understanding of CUCM to follow calls through a contact-center environment.
You should be comfortable with concepts such as endpoints, directory numbers, SIP trunks, route patterns, calling search spaces, partitions, and the basic relationship between CUCM and the contact-center components.
When troubleshooting, the important question is rarely just “Is CUCM running?” You need to think about whether signaling reaches CUCM correctly, whether the number can be routed, and whether the next part of the call path is available.
2. Cisco Customer Voice Portal
Cisco Customer Voice Portal (CVP) is important in enterprise contact-center call flows. It participates in call treatment and works with other components to deliver IVR and routing experiences.
For exam preparation, avoid learning CVP as an isolated product. Learn where it sits in the call flow and what happens immediately before and after a call reaches it.
That approach becomes particularly useful when troubleshooting. If a customer reaches the contact center but never hears the expected prompt, for example, the fault could involve signaling, routing logic, media resources, VXML processing, or configuration elsewhere in the environment.
3. CUBE, CUSP, VVB, and VXML
The official CCEI material refers to technologies such as Cisco Unified Border Element (CUBE), Cisco Unified SIP Proxy (CUSP), Virtualized Voice Browser (VVB), and Voice XML (VXML).
If you are coming from CCNA-level networking, some of these names may initially feel unfamiliar. Focus first on their roles rather than trying to memorize every configuration option.
Ask yourself:
- Which component handles SIP connectivity?
- Where is call-control information being exchanged?
- Where is media being processed?
- Which component executes the voice application?
- Which logs would show a failure at this stage?
Those questions are much closer to the way engineers troubleshoot real systems.
4. Cisco Finesse
Cisco Finesse is the web-based agent and supervisor desktop used in Cisco contact-center environments.
For a first-time learner, it is tempting to think of Finesse as simply a web interface. From a troubleshooting perspective, however, you need to understand its dependencies and integration with the rest of the contact-center platform.
If agents cannot sign in, state changes are failing, or desktop information is unavailable, the root cause might not be the browser or Finesse interface itself. Authentication, certificates, backend services, network connectivity, and contact-center components all become relevant.
5. Cisco Unified Intelligence Center and Live Data
Cisco Unified Intelligence Center (CUIC) and Live Data are important because a contact center is not useful if administrators and supervisors cannot see what is happening.
Reporting also gives engineers another way to validate the behavior of the platform. A call may technically complete while still being routed to the wrong queue or associated with the wrong reporting data. Operational visibility is therefore part of the engineering problem, not something added after deployment.
6. ICM Routing and Scripting
One of the more interesting parts of Cisco Contact Center Enterprise is its routing logic.
A traditional telephone system primarily asks, “Which number should receive this call?” A contact center may need to ask much more complicated questions:
- Which queue should receive the customer?
- Which agents have the correct skills?
- Is an agent currently available?
- How long has the caller been waiting?
- Should the caller receive another treatment?
- Should the call be redirected?
- Should external data influence the routing decision?
This is why scripting matters in CCEIT. You should understand the logic of routing rather than only the graphical appearance of a script.
7. Certificates and Single Sign-On
Certificates are easy to underestimate until they break a production system.
CCEIT explicitly includes certificate administration as part of implementation preparation and Single Sign-On (SSO) as part of configuration. Both are good examples of why contact-center engineers need skills beyond traditional routing and switching.
A certificate problem can affect trust between services, web access, APIs, or application integration. An SSO problem can stop users from accessing systems even when the underlying contact-center services are healthy.
For study purposes, understand trust relationships, certificate validity, hostnames, certificate stores, and the general authentication flow. Do not treat certificate warnings as something you can automatically click past.
The Most Important Skill: Understanding the Call Flow
If I had to choose one habit that makes learning CCE easier, it would be this: draw the call flow.
Do not start troubleshooting with random service restarts. Start with the path.
Customer | Carrier / PSTN / SIP | Edge and SIP Components | CVP / Voice Application Layer | CCE Routing Decision | CUCM / Contact Center Resources | Agent
This is deliberately simplified. A real PCCE deployment contains additional services and interactions. The point is to build a map in your head.
When a failure occurs, work through that map and ask where the last successful event happened.
For example, suppose callers can enter the system and hear an initial prompt, but they never reach an agent. That tells you something. The incoming SIP connection and at least part of the voice application path are functioning. Your investigation can then move toward routing decisions, queue logic, agent availability, peripheral communication, or downstream call control.
This is much more efficient than treating every component as equally suspicious.
Why Troubleshooting Matters So Much in 500-444
The troubleshooting section represents a substantial part of the official exam blueprint, and that makes sense for a product like PCCE.
Contact-center problems often cross multiple technology boundaries. A single incident can involve DNS, certificates, Active Directory, SQL Server, SIP, HTTP-based services, call-control systems, routing scripts, or application-specific processes.
The official troubleshooting course also focuses on areas such as CCE flows, diagnostic tools, certificate problems, Finesse issues, PCCE deployment problems, Peripheral Gateway logs, and the Diagnostic Framework.
Because troubleshooting carries significant weight, candidates reviewing Cisco CCEIT 500-444 preparation materials should pay particular attention to scenario-based questions that require identifying the failed component rather than simply remembering a command or definition.
For exam preparation, develop a repeatable method:
- Define the symptom precisely. Avoid descriptions such as “the contact center is broken.”
- Determine the scope. One agent, one site, one queue, or every caller?
- Identify the relevant call or application flow.
- Find the last component known to be working.
- Check dependencies. Network, DNS, time synchronization, certificates, authentication, databases, and service status can all matter.
- Collect evidence. Use logs and diagnostic tools instead of guessing.
- Correlate timestamps across systems.
- Change one thing at a time when possible.
- Validate the complete workflow after the fix.
This approach is useful far beyond the exam. It is the difference between someone who knows a product interface and someone who can support a production platform.
How Valuable Is the Cisco CCEIT Exam?
The value of CCEIT depends heavily on the type of job you want.
For a general network support position, CCNA or CCNP will normally have broader recognition. A hiring manager looking for routing, switching, wireless, SD-WAN, or enterprise infrastructure skills is more likely to recognize those certifications immediately.
CCEIT is different. Its value is concentrated in a much narrower part of the industry.
It becomes significantly more relevant for roles such as:
- Cisco Contact Center deployment engineer
- PCCE or UCCE engineer
- Cisco Collaboration engineer
- Contact Center support engineer
- Unified Communications engineer working with CCE
- Tier 2 or Tier 3 contact-center support
- Cisco partner deployment or professional-services roles
This makes CCEIT a good example of a niche technical credential. Its name may not be recognized by every IT recruiter, but an organization actively deploying Cisco Contact Center Enterprise is much more likely to understand why the underlying skills matter.
There is another benefit that is easy to overlook: preparing properly for the exam forces you to study technologies that sit between traditional networking and application infrastructure.
You may find yourself dealing with SIP, routing, Windows servers, certificates, SQL, identity, web applications, voice media, and logs in the same troubleshooting session. That cross-domain experience can be valuable even when your next job title does not contain the words “Contact Center.”
Is Cisco 500-444 Suitable for Beginners?
It depends on what “beginner” means.
If you have never studied IP networking, Cisco voice, CUCM, or contact-center concepts, going directly into 500-444 will probably be frustrating. The exam sits on top of several technologies that make more sense after you understand the foundations.
Cisco’s official CCEI and CCET training pages do not list mandatory course prerequisites, but they recommend knowledge in areas such as IP networking, Windows and Active Directory, SQL Server, PCCE administration, CUCM, and voice gateways.
For a student or junior engineer, I would therefore build the foundation in this order:
- Basic TCP/IP networking
- Routing, switching, DNS, DHCP, and NTP concepts
- Basic SIP and VoIP concepts
- Cisco Unified Communications Manager fundamentals
- Contact-center terminology and architecture
- PCCE components and call flows
- CCE configuration and scripting
- PCCE implementation procedures
- Logging and troubleshooting
You do not necessarily need to earn every related certification before starting CCEIT. You do need the underlying knowledge.
Recommended Study Resources for 500-444 CCEIT
Start With the Official Exam Blueprint
The blueprint should control your study plan.
Create a spreadsheet or checklist containing every official exam objective. Mark each topic as:
- Not studied
- Understand conceptually
- Can explain without notes
- Can configure or demonstrate
- Can troubleshoot
For an implementation-and-troubleshooting exam, the last two levels are especially important.
Combine the Blueprint With Focused Exam Preparation
Once you understand the official objectives, use them to structure your revision instead of studying unrelated Cisco technologies at random. A focused Cisco 500-444 CCEIT study resource can help you keep your preparation centered on the exam while the Cisco documentation provides the technical depth behind each objective.
A useful strategy is to review a topic, explain it without notes, work through a practical scenario, and then test whether you can recognize the same concept when it is presented as a troubleshooting question.
Use the Official CCEI and CCET Training as a Reference
Cisco identifies two official training courses for CCEIT preparation:
- Implementing Cisco Contact Center Enterprise (CCEI)
- Troubleshooting Cisco Contact Center Enterprise (CCET)
The distinction between the courses is useful. CCEI focuses heavily on building and implementing a PCCE solution and supporting a new deployment. CCET focuses more on operational troubleshooting and support after deployment.
Even if you are not attending instructor-led training, reviewing the official course objectives gives you a very good picture of the practical skills Cisco expects around the exam.
Read Product Documentation
Do not rely entirely on certification notes.
Product documentation teaches you how Cisco actually describes components, dependencies, supported procedures, and failure conditions. It is also a good way to become comfortable with the terminology used in technical exam questions.
Pay particular attention to documentation covering:
- PCCE architecture
- Installation and deployment
- Administration and configuration
- Dial plans
- Certificates
- Finesse
- CUIC and Live Data
- CVP
- Diagnostic tools
- Common troubleshooting procedures
Build a Lab-Oriented Study Plan
CCEIT is difficult to learn purely from slides because many of the objectives describe processes rather than isolated facts.
If you have access to a lab, use it to answer practical questions.
Lab Exercise 1: Map the Environment
Identify every major PCCE component and write down:
- Its role
- Its IP address and hostname
- Which systems it communicates with
- Which protocol is used
- Where its logs are located
- What the user notices when it fails
Lab Exercise 2: Follow One Call End to End
Place a test call and document the path from the incoming connection to the final agent.
Do not only write down component names. Record what decision each component makes.
Lab Exercise 3: Study a Routing Script
Take a simple routing script and explain it in plain English.
If you cannot describe why a particular branch exists, you do not fully understand the script yet.
Lab Exercise 4: Examine Logs
Trigger a normal call and observe the relevant logs. Learning what a healthy transaction looks like makes abnormal behavior much easier to recognize later.
Lab Exercise 5: Break Something Safely
In an isolated lab, introduce controlled failures such as an incorrect configuration value or unavailable dependency and observe the symptoms.
The purpose is not to memorize a single error message. It is to understand how one failure appears from several parts of the system.
A Practical 8-Week CCEIT Study Plan
Weeks 1-2: Build the Foundation
- Review TCP/IP, DNS, NTP, and basic server concepts.
- Review SIP fundamentals.
- Learn basic CUCM call routing.
- Understand the purpose of an enterprise contact center.
Weeks 3-4: Learn PCCE Architecture
- Identify the major PCCE components.
- Understand how those components communicate.
- Draw inbound call flows.
- Study deployment models and planning considerations.
- Review staging, installation, and certificate concepts.
Weeks 5-6: Configuration and Integration
- Study the PCCE Integration Wizard.
- Review site-addition concepts.
- Study Finesse integration.
- Study CUIC and Live Data integration.
- Review dial-plan configuration.
- Practice basic CCE scripting.
- Understand SSO architecture.
Week 7: Troubleshooting
- Review complete CCE call flows.
- Study diagnostic tools.
- Practice reading logs.
- Review certificate failures.
- Review Finesse-related troubleshooting.
- Practice isolating faults between components.
Week 8: Exam Review
- Return to the official blueprint.
- Identify weak domains.
- Explain each blueprint topic without reading notes.
- Review architecture diagrams.
- Practice scenario-based reasoning.
- Spend extra time on the three 30% domains.
During the final review stage, it is useful to compare your weak areas with the topics emphasized in your 500-444 Cisco CCEIT exam review. The goal should be to identify gaps in your understanding, not simply to repeat material you already know well.
Eight weeks is not a magic number. Someone who already supports PCCE may need much less time, while a student new to collaboration technologies may need several months.
Common CCEIT Preparation Mistakes
Memorizing Without Understanding the Architecture
You can memorize dozens of component definitions and still struggle with a troubleshooting scenario.
For each component you study, know what sends information to it, what it sends information to, and what breaks when the component becomes unavailable.
Ignoring Certificates
Certificate management may not feel as interesting as call routing, but it is part of the official blueprint and an important real-world operational skill.
Studying Only Configuration
Configuration is important, but the blueprint gives troubleshooting the same 30% weighting as the main configuration domain.
If your study notes contain hundreds of configuration screenshots but almost no call-flow diagrams or troubleshooting exercises, rebalance your preparation.
Ignoring Basic Networking
Application engineers sometimes jump directly to application logs when the underlying problem is DNS, routing, a firewall, time synchronization, or basic connectivity.
Your networking fundamentals still matter.
Relying on Memorization Instead of Technical Understanding
Question-based study can be useful as a way to identify weak areas, but memorization alone is a poor way to prepare for an implementation and troubleshooting role. If you encounter a practice scenario, take the time to understand why the correct answer works and why the alternatives do not.
The real objective is to build enough technical understanding that you can deal with an unfamiliar problem rather than only recognize a familiar question.
How to Think During the CCEIT Exam
When you encounter a scenario-based question, resist the urge to immediately choose the most familiar-looking answer.
First identify what the question is really testing.
Is the issue related to:
- Deployment preparation?
- Initialization?
- Dial-plan configuration?
- Routing logic?
- Authentication?
- Certificates?
- Finesse?
- Reporting?
- Call flow?
- A diagnostic tool?
Then determine where the problem sits in the architecture.
This prevents a common exam mistake: selecting an answer that is technically true but belongs to the wrong part of the workflow.
CCEIT vs. CCNA and CCNP: Which Should You Choose?
These exams serve different purposes.
| Certification / Exam | Best For | Scope |
|---|---|---|
| CCNA | Students and junior network engineers | Broad networking foundation |
| CCNP | Experienced network professionals | Professional-level networking specialization |
| 500-444 CCEIT | PCCE, CCE, collaboration, and contact-center engineers | Specialized PCCE implementation and troubleshooting |
If you are at the beginning of your networking career and have no specific contact-center requirement, CCNA is usually the more logical starting point.
If you already understand networking and are moving into Cisco collaboration or contact-center engineering, 500-444 becomes much more interesting.
For someone already working for a Cisco partner or supporting a PCCE environment, the CCEIT topics may be more immediately useful at work than another general networking exam.
Frequently Asked Questions About Cisco 500-444 CCEIT
What does CCEIT stand for?
CCEIT stands for Cisco Contact Center Enterprise Implementation and Troubleshooting. Its Cisco exam code is 500-444.
How long is the Cisco 500-444 exam?
Cisco currently lists the CCEIT exam duration as 90 minutes.
What language is CCEIT available in?
Cisco currently lists English as the exam language.
What product does the 500-444 exam focus on?
The exam primarily focuses on Cisco Packaged Contact Center Enterprise (PCCE), particularly implementation preparation, initialization, configuration, and troubleshooting.
What are the main 500-444 exam domains?
The current Cisco blueprint divides the exam into PCCE Implementation Preparation, PCCE Implementation Initialization, PCCE Implementation – Configuration, and Troubleshooting.
Is CCEIT harder than CCNA?
They are difficult in different ways. CCNA covers a broader networking foundation, while CCEIT is much narrower but assumes familiarity with a specialized enterprise contact-center environment. A student with no PCCE or collaboration experience may find CCEIT considerably harder to approach.
Do I need CCNA before taking 500-444?
CCNA knowledge is useful because networking fundamentals appear throughout a PCCE environment, but candidates should check Cisco’s current exam and training requirements rather than assuming a specific certification prerequisite. More important is having a solid understanding of IP networking, collaboration, CUCM, and PCCE concepts.
What are the official training courses for CCEIT?
Cisco currently recommends Implementing Cisco Contact Center Enterprise (CCEI) and Troubleshooting Cisco Contact Center Enterprise (CCET) as preparation resources.
Where can I find additional Cisco 500-444 preparation material?
In addition to Cisco’s official blueprint, documentation, and training, candidates can use a dedicated Cisco 500-444 CCEIT exam resource to supplement their review and identify topics that may need additional study.
Is Cisco 500-444 worth taking?
It can be very worthwhile if your work involves PCCE, UCCE, Cisco Collaboration, contact-center deployment, or advanced support. Its value is more specialized than CCNA or CCNP, so candidates who do not plan to work with contact-center technologies may benefit more from a broader certification path first.
How much does the 500-444 CCEIT exam cost?
Exam pricing can depend on Cisco’s current classification, country, currency, and applicable taxes. Because pricing and registration policies can change, check the current amount displayed by Cisco and its authorized testing provider when you schedule the exam rather than relying on an old third-party price.
How many questions are on the CCEIT exam?
Cisco’s public CCEIT overview specifies the exam duration but does not currently advertise a fixed question count. Be cautious with third-party websites claiming an exact number, because exam forms can change.
Final Thoughts: Who Should Take Cisco 500-444?
The Cisco 500-444 CCEIT exam is not designed to be a universal networking certification. Its strength is specialization.
If your career is moving toward Cisco Contact Center Enterprise, PCCE deployment, enterprise voice, collaboration, or advanced contact-center support, the exam covers a useful combination of design thinking, implementation knowledge, configuration skills, and troubleshooting methodology.
For students and junior engineers, the best approach is not to rush directly into memorizing CCEIT material. Build the networking and voice foundation first. Learn what CUCM, SIP, CVP, Finesse, CUIC, Live Data, and CCE routing actually do. Then put those pieces together into a complete call flow.
Once you can look at a PCCE architecture diagram and explain not only what every major component does but also what happens when it fails, you are studying at the right level.
As the exam date gets closer, combine hands-on review, the official Cisco objectives, and your chosen 500-444 CCEIT exam preparation materials to concentrate on the areas where your understanding is still weakest.
That is also where the real value of 500-444 lies. Passing an exam is useful, but being able to walk into a complicated contact-center incident, follow the call path, collect the right evidence, and isolate the failing component is the skill employers ultimately need.
Official References and Further Reading
For candidates preparing for the Cisco 500-444 CCEIT exam, the following official Cisco resources provide authoritative information about Cisco Packaged Contact Center Enterprise (PCCE), implementation planning, system initialization, configuration, Cisco Finesse, Unified Communications Manager, scripting, Single Sign-On, diagnostics, and contact center troubleshooting.
- Cisco 500-444 CCEIT – Official Exam Page
– Cisco’s official page for the Cisco Contact Center Enterprise Implementation and Troubleshooting exam, including current exam information, preparation resources, recommended training, and certification requirements. - Cisco Packaged Contact Center Enterprise – Technical Documentation
– Cisco’s main PCCE documentation portal providing release notes, design guides, configuration documentation, troubleshooting resources, technical references, and product support information. - Cisco Packaged Contact Center Enterprise – Installation and Upgrade Guides
– Official installation and upgrade documentation for current and previous PCCE releases, useful for understanding deployment workflows, platform requirements, installation procedures, and system upgrades. - Cisco PCCE Solution Design and Technical References
– Cisco’s collection of solution design guides and technical references covering PCCE architecture, sizing, deployment models, redundancy, networking, and integration considerations. - Cisco PCCE Administration and Configuration Guides
– Official Cisco documentation covering administration, configuration, reporting, system operation, service management, and ongoing maintenance of Packaged Contact Center Enterprise environments. - Cisco Finesse – Official Documentation
– Cisco’s documentation portal for Finesse, including administration guides, agent and supervisor desktop documentation, configuration references, release information, and troubleshooting resources. - Cisco Unified Communications Manager (CUCM) Documentation
– Official Cisco technical resources for Unified Communications Manager, an important component in enterprise contact center call control and PCCE integration architectures. - Cisco Unified Contact Center Enterprise (UCCE) Documentation
– Cisco’s comprehensive UCCE technical documentation covering architecture, installation, configuration, scripting, features, administration, diagnostics, troubleshooting, and integration with other Cisco Collaboration platforms.
