300-815 exam at a glance
Cisco Certified Specialist – Collaboration Call Control & Mobility Implementation · Professional level
Status: Active. 300-815 CLACC v2.0 replaced the retired 300-815 CLACCM exam on February 3, 2026.
| Exam code | 300-815 CLACC |
|---|---|
| Certification | Cisco Certified Specialist – Collaboration Call Control & Mobility Implementation; also satisfies a concentration exam requirement for CCNP Collaboration |
| Level | Professional |
| Duration | 90 minutes |
| Delivery | Pearson VUE in a secure, proctored environment |
| Exam cost | US$300, or use Cisco Learning Credits |
| Languages | English |
| Certification validity | 3 years |
| Retake policy | After a failed attempt, candidates must wait five calendar days, beginning the day after the failed attempt, before retaking the same exam. After passing, candidates must wait at least 180 days before taking the same exam number again. |
| Prerequisites | None |
The exam is intended for collaboration professionals. Cisco identifies collaboration engineers and collaboration administrators as the audience for the associated training. The exam covers advanced call control and mobility services, including signaling and media protocols, session border controller and voice gateway technologies, advanced call control, supplemental features and security, and remote connectivity and business-to-business solutions.
Skills measured and their weighting
| Skill area | Weight |
|---|---|
| Signaling and Media Protocols | 10% |
| Session Border Controller and Voice Gateway Technologies | 30% |
| Advanced Call Control | 25% |
| Supplemental Features and Security | 20% |
| Remote Connectivity and Business to Business Solutions | 15% |
Source: cisco.com — official 300-815 CLACC exam page. The current official exam topics document is Implementing Cisco Advanced Call Control On-Premises v2.0. Figures were checked against Cisco’s official documentation. Confirm current details there before booking.
The full bank covers every domain, with timed mode and per-domain scoring.
300-815-CLACC Practice Questions By Domains
4 domains covered1. Advanced Call Control
24 free questions available
2. Signaling and Media Protocols
3 free questions available
3. Supplemental Features and Security
1 free question available
4. Session Border Controller and Voice Gateway Technologies
2 free questions available
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Unlock all 242 questionsCisco 300-815 CLACC Practice Test
A Cisco 300-815 CLACC practice test is most useful when every answer helps you understand what happens to a call: how it starts, where it is sent, what happens when it changes, and how a remote user connects. Select the certification you want to practise, then compare the practice material with Cisco’s current 300-815 CLACC v2.0 outline. This guide turns the official topics into plain English, explains the terms that students often confuse, and shows how to use practice sessions to find the skills that need more work.
What is Cisco 300-815 CLACC about?
Cisco names the current exam Implementing Cisco Advanced Call Control On-Premises (300-815 CLACC). It covers calling features and mobility in Cisco collaboration environments: the messages that set up a call, the voice gateways that connect systems, the rules that select a call route, useful phone features, and secure connections for remote or outside users. Cisco associates the exam with its Collaboration Call Control & Mobility Implementation specialist credential and the CCNP Collaboration concentration path. The official Cisco CLACC page confirms the current name and focus.
You may also see older resources call 300-815 CLACCM, short for Call Control and Mobility Services. That name appears in earlier Cisco Press study materials, but the current Cisco exam topic document says CLACC v2.0 and uses the updated title. This matters when choosing a mock test: the number alone does not show whether its explanations match the latest published blueprint. Use the current Cisco outline as your reference for names, subject areas, and weights.
It helps to picture a simple business call. A person dials a company. Signaling tells the systems to set up the call; media carries the conversation. A gateway or border device may connect two calling environments. Cisco Unified Communications Manager (UCM) decides where the call should go. If the employee is working elsewhere, remote access and mobility features may affect how the call reaches them. The five CLACC areas explain different parts of that journey.
The five official 300-815 CLACC topic areas
Cisco’s v2.0 topic outline gives these domain names and weights. The weights total 100%. They indicate how Cisco organizes its topic guidance; they are not a promise of an exact number of questions about any subtopic. Cisco also notes that related topics may appear and its guidance may change. You can use the weights to plan balanced revision while giving extra attention to concepts you repeatedly miss in practice.
Signaling and Media Protocols: the difference between a call and its conversation
The 10% Signaling and Media Protocols domain begins with an important distinction. Signaling is the exchange of messages used to establish, update, and end a call. Media is the sound or video the participants actually exchange. A phone can seem to connect while one person cannot hear the other because the signaling path and media path do different jobs. This distinction makes troubleshooting scenarios easier to read.
Cisco calls out advanced parts of a SIP conversation, including ringback, PRACK, and UPDATE. You do not need to turn a beginner explanation into a long protocol reference to understand the topic. Start by recognizing that SIP messages can affect what the caller hears, how a session progresses, and how the call changes. Then connect the terms to a trace or explanation. Cisco also lists mid-call signaling: placing a call on hold and resuming it, transferring it, joining a conference, and refreshing a session. Each changes an existing call rather than simply starting a new one.
The outline names media optimization and NAT traversal methods such as STUN, TURN, and ICE. NAT can make it harder for calling systems to find a usable media path across different networks. At a student-friendly level, group these methods under one purpose: helping a session discover or use a workable connection when network boundaries get in the way. When you review a mock test, identify whether the problem is call setup, a change during the call, or the media connection. The Cisco domain list names the specific subjects to explore further.
Session Border Controller and Voice Gateway Technologies: crossing calling boundaries
At 30%, this is the largest published domain. A voice gateway links calling environments, while a session border controller helps manage sessions crossing a boundary. Cisco’s outline focuses on Cisco Unified Border Element (CUBE), along with Cisco Unified Communications Manager Express (UCME) and SIP SRST for gateway and continuity scenarios. You will get more from these topics if you draw a simple path: originating phone or system, gateway or CUBE, destination system, and the media passing between them.
UCME and SIP SRST deserve separate attention. UCME concerns call control provided at a Cisco gateway for supported phones. SRST concerns continued calling support during a loss of the normal central connection. The current blueprint includes configuring them, so a practice explanation should clarify which situation is being described and why that technology belongs there. Do not assume that every local gateway role is interchangeable.
Cisco also expects learners to troubleshoot CUBE dial plan elements with VoIP Trace and debugging information. The named subjects include keypad tones (DTMF), codec preference, SIP and SDP header changes through SIP profiles, signaling and media bindings, and secure connections using TLS profiles and SRTP. In everyday terms, this is about checking whether the two sides of a call agree on the information and methods needed to connect and carry the conversation. For example, a call might reach the destination but have an audio or keypad problem. That is a different investigation from a call that never reaches the correct destination.
Another part of this domain concerns dial peers, the rules a Cisco voice gateway uses to match and send calls. The Cisco list includes URI matching, dial peer groups, E.164 pattern maps, voice VRFs, and hunt stop. Begin with the shared goal—choosing the right path—before learning what each feature adds. The outline also names advanced SIP interoperability, including secure SIP trunks, video interworking, media flow choices, and mid-call signaling controls. In a practice test, try to identify which part of the boundary needs correction: matching the destination, agreeing on media, securing the link, or interpreting a SIP message. All of these subtopics are listed in Cisco’s v2.0 PDF.
Advanced Call Control: deciding where each call goes
Advanced Call Control carries 25% of Cisco’s published weighting. This area moves from the gateway into UCM’s decisions about call routing and related services. The outline includes advanced SIP interoperability in UCM: SIP normalization and transparency, SIP profiles, and SIP trunk security profiles. Those terms concern how UCM sends, receives, or handles signaling when it communicates with another calling system. Think of them as ways to make systems interpret a call consistently.
The domain also lists call recording options: network-based gateway recording, SIPREC, and a built-in bridge. Learn what component is involved in each method and why an organization might need a recording path. A mock assessment that names one of these options is testing your understanding of the recording arrangement, not merely whether you have heard the acronym.
The largest practical idea in this domain is the dial plan. Cisco includes route patterns, route groups, route lists, translation patterns, transformations, local route groups, time-of-day routing, partitions, Calling Search Spaces (CSS), forced authorization codes, and urgent priority in its globalized call-routing material. The list seems long until you ask a few small questions about a call: What number was dialed? Which rule matched it? Who is permitted to use that rule? Was the number changed? What destination should be tried? These questions organize the terms into a call path.
A route pattern identifies a dialed destination pattern. Translation and transformation features can alter the numbers or details used along the way. A partition and CSS help determine which destinations a caller can reach. Time-of-day routing adds a schedule to a routing decision. These plain-language descriptions help you start, but Cisco’s exact behavior depends on configuration. When reviewing explanations, trace the order of decisions rather than assuming one attractive-sounding setting can repair every routing problem. See Cisco’s Advanced Call Control section for the complete current list.
Supplemental Features and Security: make the phone system usable and protected
Supplemental Features and Security represents 20% of the blueprint. Cisco first names certificate management in UCM, including trust store usage, secure phone registration, and phone security profiles. A certificate helps a system decide whether to trust a connection or device. Before you memorize individual security terms, understand the main question behind them: Can this phone or service connect in an approved, trusted way?
The domain then moves to calling features people notice during daily work. Call park puts a call in a place where it can be retrieved. Call pickup lets a permitted person answer a call ringing for someone else. Hunt groups direct incoming calls among a group of destinations. Cisco also lists queuing with announcements, music on hold, barge, and busy lamp field (BLF). A student can learn these more easily by imagining a busy reception desk: an employee needs to find a colleague, hold a call, answer on someone else’s behalf, or see whether a line is in use. Match the user need to the feature before you study its configuration.
Finally, Cisco includes UCM mobility and ways to share routing information. Unified Mobility, Extension Mobility, and Extend & Connect are separate named subjects; do not treat them as one feature just because each relates to reaching people beyond a single desk phone. The blueprint also lists ILS, URI synchronization, and GDPR as configuration topics in this domain. Here GDPR means Global Dial Plan Replication in Cisco collaboration, not the privacy regulation with the same abbreviation. That distinction can prevent an avoidable misunderstanding when reading practice-test explanations. Cisco’s official outline is the source for these named features.
Remote Connectivity and Business to Business Solutions: take calls beyond the office
The fifth area is Remote Connectivity and Business to Business Solutions, weighted at 15%. Cisco lists configuring and troubleshooting Mobile and Remote Access (MRA). MRA helps supported users connect to collaboration services when they are away from the office network. Study the broad path first: a remote device needs a way to find the service, connect through the right components, and establish a trusted calling session. This simple view gives purpose to more detailed configuration steps.
The domain also covers Cisco Expressway media traversal, IPv4 and IPv6 protocol interworking, encrypted calling, certificate management, and security controls. TLS and mutual TLS (mTLS) concern protected connections and identity checks. Cisco names zone media encryption modes, local call policy rules to help prevent toll fraud, automated intrusion detection, and firewall rules. Group these by purpose: connecting, encrypting, and restricting traffic. You can then recognize whether a practice scenario describes a reachability problem, an encryption problem, or an unwanted call being allowed.
For business-to-business (B2B) collaboration, the official outline includes DNS records, certificates, traversal, neighbor and DNS zones, transforms, search rules, and a SIP trunk connection to UCM. Picture two organizations trying to call one another. They must find the right destination, trust the connection, and send signaling and media along a workable route. If a practice explanation jumps straight to an obscure setting, bring it back to those three needs. They make the many named components easier to remember. These topics appear in Cisco’s Remote Connectivity and B2B section.
Follow one call across several CLACC domains
An imagined support call can help you see why Cisco groups the material as it does. A customer calls a company employee. SIP messages establish the session; media carries the conversation. Those are Signaling and Media Protocols. The call crosses a voice boundary through a gateway or CUBE; this brings in Session Border Controller and Voice Gateway Technologies. UCM checks a dialed number and its routing rules to find the destination; that is Advanced Call Control.
The employee is busy, so the call might be sent through a hunt group, picked up by a colleague, or placed on hold. Secure phone registration and these calling functions fall under Supplemental Features and Security. If the employee is working outside the office, the connection may involve MRA and Expressway, linking the story to Remote Connectivity and Business to Business Solutions. This is a learning illustration, not a prescribed Cisco deployment. It gives you a repeatable way to explain why a technology appears in a scenario.
When a practice answer is wrong, locate the broken step in that journey. If the call connected but had no audio, review media paths and gateway handling. If it went to the wrong person, inspect number matching, permissions, and routes. If it worked in the office but failed remotely, examine the remote access path. This reasoning is more useful than copying a correct option without understanding the condition it solves.
Terms that CLACC candidates often mix up
| Pair | Easy distinction | Helpful review cue |
| Signaling vs. media | Signaling manages the call; media carries the conversation. | Did setup fail, or did sound/video fail after setup? |
| Route pattern vs. translation | A route pattern helps match a destination; translation changes number information for routing. | Is the issue recognizing the destination or changing the number? |
| Gateway/CUBE vs. UCM routing | The boundary device connects calling environments; UCM applies configured call-control and routing decisions. | At which point in the path does the problem begin? |
| Call park vs. call pickup | Park places a call for later retrieval; pickup answers a call ringing elsewhere. | Is someone retrieving a held call or answering another person’s ringing call? |
| UCME vs. SRST | UCME supplies local gateway-based call control; SRST is about continuity if a normal connection is unavailable. | Is this the regular local arrangement or a fallback situation? |
| MRA vs. B2B | MRA concerns remote access for supported users; B2B concerns collaboration between organizations. | Is the endpoint a remote user or an outside organization? |
The comparisons simplify topics named in the Cisco CLACC v2.0 outline. They are memory aids, so check official Cisco documentation for the exact behavior of a feature in a particular setup.
How to use a 300-815 practice test without memorizing answers
First, check that the assessment names 300-815 CLACC and reflects Cisco’s v2.0 domains. Older CLACCM material may still help with concepts that remain in scope, but a practice bank is more useful when its categories align with the current blueprint. You can Explore mock assessments for Cisco professionals and confirm the available assessment’s code and coverage before starting a CLACC-focused session.
Take a broad session to see which domain needs attention. After you finish, sort missed items into a small review list. “SIP call changes,” “CUBE dial peer selection,” “UCM routing permission,” and “Expressway certificates” are more useful labels than “I got five answers wrong.” Each label points to a concept you can read about in the Cisco outline or product documentation.
For the next session, study one weak concept, then try related practice items. Read explanations for correct answers as well as incorrect ones: a guessed answer can look like knowledge on a score report. Restate an explanation in your own words using the call path. Identify the starting point, the decision being made, and the result. If you cannot describe that chain, return to the topic instead of repeating the same answer from memory.
Finally, try a mixed session covering all five domains. Mixed practice makes you decide whether a symptom concerns signaling, the gateway, UCM routing, a phone feature, or remote connectivity. Track your progress with a brief record of topic, misunderstanding, corrected reasoning, and result after review. No practice score guarantees a particular outcome; its value is in showing what you can explain and apply.
What focused practice gives you on Edurely
Edurely’s practice-test catalog describes exam-style practice questions, explanations, links to official documentation, and focused practice modes. Those features can support a CLACC study routine when the assessment you select matches the current Cisco outline. Use the explanation after each item to learn the reason for a routing or security decision, then check the relevant Cisco topic when you need a more exact description.
You get the most from a session by turning results into specific actions. A missed gateway question can become a review of where CUBE sits in the call path. A missed mobility item can become a short comparison of Unified Mobility and Extension Mobility. A missed B2B item can become a map of how DNS, certificates, and Expressway zones relate. Each review step gives your next practice attempt a purpose.
You can also Explore technology education with Edurely when planning practice across different professional exams. For this particular exam, check that the available Cisco assessment uses the CLACC code and covers the five v2.0 areas. The site’s general practice features are helpful, but the official Cisco topic document remains the reference for the published scope.
Cisco 300-815 CLACC practice test FAQs
Is 300-815 CLACC the same as the older CLACCM label?
Both labels have been used in material about exam code 300-815, but Cisco’s current v2.0 exam page calls it CLACC: Implementing Cisco Advanced Call Control On-Premises. Older Cisco Press guides use CLACCM. Compare a resource with the current Cisco outline instead of relying on its label alone.
What is the largest CLACC domain?
Session Border Controller and Voice Gateway Technologies has the highest published weight at 30%. Advanced Call Control follows at 25%, then Supplemental Features and Security at 20%, Remote Connectivity and Business to Business Solutions at 15%, and Signaling and Media Protocols at 10%. These weights are from Cisco’s v2.0 exam topics.
Should I learn call routing before studying remote access?
Learning the basics of signaling, gateways, and UCM call routing first can make remote scenarios easier to follow. Then add MRA, Expressway, DNS, certificates, and zones to understand how a call reaches users or organizations beyond the local environment. This is a suggested learning sequence, not a Cisco requirement.
What makes a CLACC mock assessment useful?
Look for alignment with 300-815 CLACC v2.0, coverage of all five official domains, and explanations that tell you why a choice works in its scenario. Use missed items to identify a concrete concept you can revisit in the Cisco topic PDF. A result becomes useful when it changes what you understand, not only when the score goes up.
Where should I check if a practice test lists different domains?
Use Cisco’s current 300-815 CLACC v2.0 topic document for the official names, weights, and listed subjects. It also explains that the topics are general guidelines and may change. That makes Cisco’s document the sensible reference when comparing older guides and third-party assessments