Cisco Advanced Call Control & Mobility Services (CLACCM)

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Course Overview
- This comprehensive course, “Implementing Cisco Advanced Call Control & Mobility Services“, is meticulously designed for network engineers and voice professionals seeking to master the intricate deployment and management of sophisticated Cisco Unified Communications (UC) solutions. It moves beyond fundamental configurations, diving deep into advanced call routing, complex dial plan strategies, and the robust suite of mobility features critical for modern enterprise environments.
- Participants will gain hands-on expertise in configuring and troubleshooting advanced functionalities within Cisco Unified Communications Manager (CUCM), Cisco Unified Border Element (CUBE), and Cisco Expressway for secure remote access and collaboration. The curriculum focuses on building resilient, scalable, and feature-rich communication infrastructures.
- You will explore the architectural components and operational nuances required to implement intricate call control mechanisms, ensuring seamless communication across diverse endpoints and integrating with various PSTN interfaces. The course emphasizes practical application, preparing you to tackle real-world deployment challenges with confidence.
- Special attention is given to unifying communication experiences through advanced mobility services, including Extension Mobility, Single Number Reach, and the secure integration of Cisco Jabber and video services via Mobile and Remote Access (MRA). This holistic approach ensures participants can design and maintain a fully integrated and flexible UC ecosystem.
- The goal is to equip learners with the specialized knowledge and practical skills necessary to design, implement, and maintain advanced Cisco Unified Communications deployments, making them invaluable assets in any organization leveraging Cisco’s collaboration portfolio.
Requirements / Prerequisites
- Foundational Networking Knowledge: A solid understanding of networking fundamentals, including TCP/IP, DNS, DHCP, routing protocols (e.g., OSPF, EIGRP), and switching concepts (VLANs, trunking).
- Basic Voice over IP (VoIP) Concepts: Familiarity with basic VoIP principles, call signaling protocols such as SIP, H.323, and MGCP, and knowledge of codec technologies.
- Cisco IOS CLI Proficiency: Competence in navigating and configuring Cisco IOS devices using the Command Line Interface, particularly for router and switch configurations.
- Cisco Unified Communications Manager (CUCM) Administration: Prior experience with basic CUCM administration, including device registration, user management, route patterns, and gateway configuration.
- Understanding of Cisco Collaboration Architecture: A general comprehension of the Cisco Collaboration portfolio and how various components (CUCM, CUC, CUPS, Expressway) interoperate.
- Recommended Certification: While not strictly mandatory, holding a CCNA Collaboration certification or equivalent knowledge is highly recommended to ensure a strong foundational understanding.
- Analytical and Troubleshooting Skills: An aptitude for logical problem-solving and a desire to delve into complex system behaviors and diagnostics.
Skills Covered / Tools Used
- Advanced Dial Plan Design: Implement complex globalized dial plans, digit manipulation using translation patterns, route lists, route groups, and local route groups for efficient and scalable call routing.
- Cisco Unified Border Element (CUBE) Configuration: Master advanced CUBE features for SIP trunking, including media flow-through/flow-around, codec preference lists, SIP profiles, URI dialing, and interworking between different signaling protocols.
- Gateway Integration & Configuration: Configure and troubleshoot advanced features on H.323 and MGCP gateways, including fax pass-through, modem relay, and survivable remote site telephony (SRST) integration.
- Media Resources Management: Optimize utilization of media resources such as transcoders, conference bridges, music on hold (MOH) servers, and Media Termination Points (MTPs) for diverse call scenarios.
- Call Admission Control (CAC): Implement sophisticated CAC mechanisms to manage bandwidth, prevent oversubscription, and ensure call quality across geographically dispersed sites.
- Class of Control (CoC) and Class of Service (CoS): Design and enforce call privileges using partition and calling search space logic to manage user and device access to specific destinations.
- Unified Mobility Features: Configure and troubleshoot Extension Mobility (EM) for hot-desking, Mobile Connect (Single Number Reach – SNR) for seamless call forwarding to mobile devices, and Unified Mobility.
- Mobile and Remote Access (MRA) via Expressway: Deploy and secure MRA solutions using Cisco Expressway-C and Expressway-E for secure Jabber and video endpoint registration and call control from outside the enterprise network.
- Cisco Jabber Deployment & Integration: Implement and configure Cisco Jabber clients for voice, video, instant messaging, and presence services, integrating with CUCM, IM & Presence, and Expressway.
- Quality of Service (QoS) for Voice & Video: Understand and apply QoS principles within the UC environment to prioritize real-time voice and video traffic, ensuring optimal user experience.
- Advanced Troubleshooting Methodologies: Utilize a range of troubleshooting tools including Cisco RTMT (Real-Time Monitoring Tool), CDR/CMR analysis, packet captures (Wireshark on CUBE/gateways), CUCM traces, and `debug` commands on IOS devices to diagnose and resolve complex call flow and mobility issues.
- Security in UC Deployments: Implement best practices for securing CUCM, gateways, and mobility services, including certificate management, secure SIP, and endpoint authentication.
- Tools Used: Cisco Unified Communications Manager (CUCM), Cisco Unified Border Element (CUBE), Cisco IOS Gateways (ISR platforms), Cisco Expressway-C, Cisco Expressway-E, Cisco Unified IM & Presence Service, Cisco Jabber clients, Cisco RTMT, Wireshark, various CLI tools.
Benefits / Outcomes
- Certification Preparedness: Gain the specialized knowledge and practical skills essential for excelling in advanced Cisco Collaboration certification exams, such as the CCNP Collaboration track.
- Expert-Level Deployment Skills: Develop the ability to independently design, implement, and manage complex, enterprise-grade Cisco Unified Communications solutions with advanced call control and mobility requirements.
- Enhanced Troubleshooting Acumen: Sharpen your diagnostic skills, enabling you to quickly identify and resolve intricate issues related to call routing, SIP signaling, media paths, and remote access.
- Career Advancement: Position yourself as a highly competent Cisco UC specialist, opening doors to advanced roles in network architecture, unified communications engineering, and collaboration consulting.
- Optimized Communication Infrastructure: Learn to build more resilient, secure, and feature-rich communication systems that enhance productivity, support remote work, and reduce operational costs for organizations.
- Strategic Solution Design: Acquire the insight to make informed decisions regarding UC architecture, ensuring that deployed solutions align with business objectives and scalability requirements.
- Valuable Industry Expertise: Become proficient in cutting-edge Cisco collaboration technologies, making you a vital asset in any organization leveraging Cisco’s unified communications portfolio.
PROS
- Provides an incredibly deep dive into advanced configurations and complex scenarios for Cisco UC.
- Directly addresses the growing need for robust mobility and remote access solutions in modern workplaces.
- Offers highly practical skills immediately applicable to enterprise-level communication environments.
- Serves as an excellent foundation for pursuing professional-level Cisco Collaboration certifications.
- Covers comprehensive troubleshooting techniques for intricate UC issues, enhancing diagnostic capabilities.
- Focuses on building resilient and scalable communication infrastructures, critical for business continuity.
CONS
- This course demands a significant commitment to study and prior experience with foundational Cisco UC concepts to fully grasp its advanced topics.