WEBEX Calling Premise-Based PSTN, Configuration, and Troubleshooting (WEBEX-CALL-PSTN)

The Webex Calling Premise-Based PSTN, Configuration, and Troubleshooting (WEBEX-CALL-PSTN) course is a 3-day instructor-led program. During this intensive training, participants will focus on acquiring the essential skills required to effectively configure and deploy Webex Calling Dial Plans, Route Groups, Trunks, Site Survivability, and Premise-Based Gateways.

In this comprehensive course, participants will begin by gaining a deep understanding of Webex Calling Locations, Trunks, Route Groups, Dial Plans, Premise-Based PSTN Gateways, CUBE High Availability, and Implementing Site Survivability Gateways.

Furthermore, participants will be equipped with the knowledge and techniques to Monitor and Troubleshoot Webex Calling Dial Plans, Trunks, Route Groups, and Premise-Based PSTN Gateways. Troubleshooting will be explored in both the Graphical User Interface (GUI) and Command - Line Interface (CLI), and participants will learn how to use Packet Captures with Wireshark for in-depth analysis.

Upon successful completion of this course, participants will possess the expertise required to effectively Configure, Deploy, Monitor, and Troubleshoot critical components of Webex Calling, ensuring its seamless operation within environments.

How you’ll benefit

This class will help you:

• Equips participants with essential skills for Configuring and Troubleshooting Webex Calling
• Enhances communication by ensuring the Reliability and Efficiency of Webex Calling
• Enables participants to Analyze and Resolve complex issues for seamless operations within the company

Why Attend with Current Technologies CLC

• Our Instructors are in the top 10% rated by Cisco
• Our Lab has a dedicated 1 Gig Fiber Connection for our Labs
• Our Labs run up to Date Code for all our courses

• Understanding Network Requirements, Protocols, and Ports for Webex Calling Gateways: 
  • Participants will learn to a deep understanding of the essential network infrastructure required for successful Webex Calling Gateway deployment. It focuses on the critical network requirements for supporting PSTN Gateways, diving into the specific protocols and ports necessary for seamless communication and data transfer within Webex Calling Cloud integrations with Premise-Based PSTN Gateways. Through detailed explanations and practical exercises, this module not only imparts theoretical knowledge but also prepares attendees to tackle real-world networking challenges associated with Webex Calling solutions.
• Configuring Webex Calling Premise-Based PSTN Gateways: 
  • Participants will learn to configure key Webex Calling components, a crucial skill for successful deployment. It begins with an instructive overview of the Webex Control Hub, highlighting its role as the pivotal platform for managing and configuring Webex Calling services. Participants will delve into configuring locations, which is essential for establishing call routing and policy enforcement within the network's architecture. The module also covers the setup of trunks, which are vital for linking the Webex Calling environment with external networks, including the Public Switched Telephone Network (PSTN). Attendees will learn about creating route groups to efficiently organize trunks and optimizing call routing based on business logic, capacity, and geographical considerations. The crafting of dial plans is also a key focus aimed at facilitating organizational calling patterns while adhering to regulatory requirements. Lastly, the module provides hands-on experience deploying Premise-Based PSTN Gateways, focusing on integrating with the Webex Calling Cloud to ensure secure and reliable communication. Through practical exercises and detailed instruction, this module ensures participants are well-equipped with the necessary skills to effectively configure these critical components, preparing them for real-world Webex Calling deployments.
• Ensuring CUBE High Availability and Site Survivability Gateways: 
  • Participants will learn to address the significance of ensuring continuous and reliable communication services, a priority in government settings where downtime can have serious implications.
  • The "CUBE High Availability" module provides a comprehensive overview of Cisco Unified Border Element (CUBE) and its role in facilitating secure voice and video communications between different networks. A significant focus is placed on the high availability features of CUBE, which are essential for maintaining uninterrupted service during network failures or maintenance periods.
  • Participants will explore the concepts of redundancy, failover mechanisms, and load balancing, all of which are key to achieving high availability with CUBE. The module delves into the configuration steps required to set up a high-availability environment, including the setup of redundant CUBE instances and implementing Cisco's best practices for ensuring seamless failover and recovery processes.
• Webex Calling Dial plans, Route Groups, and Trunks:
  • In this module, participants will gain the expertise to set up and implement Webex Calling's dial plans, route groups, and trunks, enabling efficient interaction with both on-premises PSTN gateways and Cisco Unified Communications Manager. This comprehensive training will cover the strategies and technical know-how needed to create dial plans that facilitate PSTN access, ensuring a seamless integration of on-premises telephony infrastructure with Webex's cloud-based calling platform. Learners will delve into the nuances of configuring route groups, which are crucial in directing calls through the most effective paths, whether within the organization's network or to external numbers. This includes understanding how to prioritize routes based on criteria such as cost, quality, and availability to optimize communication strategies.
• Monitoring and Troubleshooting Webex Calling Components: 
  • Participants will learn to monitor and effectively troubleshoot Webex Calling deployments. It begins with an overview of monitoring strategies, highlighting the importance of proactive surveillance to identify potential issues before they escalate into significant problems. Attendees will learn to leverage the diagnostic tools and logging capabilities integrated into the Webex Control Hub and associated systems, enabling them to efficiently gather and analyze data pertinent to Webex Calling operations. The module delves into troubleshooting practices tailored to each critical component of Webex Calling. Participants will explore common challenges associated with locations, such as call routing discrepancies and policy enforcement anomalies, and move on to address connectivity and signal path issues in trunks. The module also covers troubleshooting techniques for Route Groups, focusing on resolving call distribution and redundancy configuration issues that affect call routing efficiency. Dial Plan misconfigurations, which can lead to call failures or compliance lapses, are another key focus, alongside diagnosing and rectifying integration and performance issues with Premise-Based PSTN Gateways.
• PSTN CLI Troubleshooting: 
  • Provide participants with in-depth skills in diagnosing and resolving issues with Premise-Based PSTN Gateways using the Command Line Interface (CLI). Tailored for individuals responsible for the deployment and ongoing maintenance of Webex Calling solutions, especially within the stringent and security-focused context of government operations, this module is an essential component of the curriculum. It introduces participants to the fundamentals of navigating the CLI environment, including understanding command syntax and utilizing help features to efficiently locate necessary commands and options. The emphasis is on the CLI as an indispensable tool for troubleshooting, offering a direct approach to inspect system configurations, modify settings, and implement fixes promptly.
• Advanced Troubleshooting with Packet Captures Using Wireshark: 
  • This module is meticulously designed to elevate the participants' troubleshooting skills to the next level by leveraging the power of packet captures and analysis using Wireshark, one of the most widely used network protocol analyzers. Aimed at professionals tasked with ensuring the smooth operation of Webex Calling solutions, particularly in the highly regulated and security-conscious environments, this module is crucial for mastering complex diagnostic techniques.

Who should sit this course?

This course is ideally suited for professionals involved in the Configuration and Troubleshooting of Webex Calling communication networks within Webex settings, specifically those who focus on integrating Webex Calling solutions with Premise-Based Public Switched Telephone Network (PSTN) Gateways. 

The ideal candidates include: 

• Collaboration Administrators
• Collaboration Engineer
• Network Administrators
• Network Engineer
• Helpdesk Support Administrators and Engineers
• IT Staff and Managers

N/A

OUTLINE

Module 1: Webex Overview 

• Webex Product Overview
• Webex Calling Overview
• Webex Calling Control Hub Review

Module 2: Premise-Based PSTN Network Planning, Network Assessment, and Security

• Webex Administration Client Requirements
• Premise - Based PSTN Network Requirements
• Webex Calling Premise - Based PSTN Ports and Protocols

Module 3: Webex Calling Trunks, Route Group, and Dial Plans

• Webex Calling Routing Overview
• Webex Calling Locations
• Dial Plans
• Route Groups, Trunks, and Dial Plans
• Webex Calling Routing Flows
• Webex Calling Caller Identity
• Interworking Webex Calling and CUCM On-Premise
• Call Routing with Premises - Based PSTN
• Gateway Dial Plans
• PSTN Migration
• Survivability
• ICE: Media Path Optimization
• PSTN for Room Video Systems

Module 4: Webex Calling Premise-Based PSTN 

• PSTN Gateway Options and Overview
• Cisco Provided PSTN
• Call Routing with Cloud Connect for Webex Calling (formerly Cloud Connected PSTN) Architecture
• Premises - Based PSTN - Architecture
  • Trunking Models
  • Supported Session Border Controllers
  • Calling Capacity Requirements
• Dedicated or Co - Resident Gateway
• CUBE Premises - Based Architecture
• Premise - Based Cube Registration - Based
  • Perform Reference Platform Configuration
  • Configure Registration - Based trunk
  • Configure Local Gateway without IP PBX
  • Configure Local Gateway with an existing Unified CM Environment
  • Monitor and Troubleshoot Local Gateway with Diagnostic Signatures
• Multiple Registration - Based Gateway on a Single CUBE
• Certificate - Based Premises - Based PSTN
• Configuring a Certificate - Based PSTN
  • mTLS Introduction
  • Perform Reference Platform Configuration
• Configure Webex Calling Certificate - Based Trunk
• Configure Local Gateway with a PSTN Trunk
• Configure Local Gateway with an existing Unified CM Environment
• Monitor and Troubleshoot Local Gateway with Diagnostic Signatures
• CUBE Configuration Platform Configuration and Certificates
• CUBE Certificates Configuration
• CUBE Trunk Enablement Configuration
• CUBE Call Routing Configuration
• CUBE High Availability
• Managing Gateways from the Webex Control Hub
• Enroll the Gateway in the Control Hub
• Validate Registration - Based LGW Configuration through Control Hub
• Support for Third - party Local Gateway

Module 5: Webex Calling Site Survivability

• Site Survivability Solution Overview
• Webex App and Endpoint Changes
• Call Forward Unreachable Setting
• Emergency Calling
• Survivability Call Flows
• Deployment Workflow
• Managing Gateways from the Webex Control Hub
• Add a New Gateway Instance in Control Hub
• Enroll the Gateway in the Control Hub
• Assign Survivability Service to the Gateway from within the Control Hub
• Platform Licenses
• Certificates
• Common Global Configuration
• Data Sync and Updated CLI
• Debugs
• Show Commands
• Limitations and Restrictions
• Testing Survivability
• Colocation of Unified - SRST with Webex-SGW

Module 6: Gateway Call Routing and PSTN Gateway Troubleshooting

• PSTN / Gateway / Call Routing Overview
• Troubleshooting Gateway Deployment
• Troubleshooting Gateway Registration
• Troubleshooting Dial - Plans and Numbers
• Troubleshooting Call Routing
• Troubleshooting Gateway / CUBE Registration
• Troubleshooting Gateway / CUBE Dial - Plans
• Troubleshooting PSTN Calling
• Troubleshooting Gateway Audio Issues
• Webex Gateway Troubleshooting
• Troubleshooting Webex Calls Flowing Through Gateways
• Troubleshooting Webex Calls Between CUCM and Premise - Based Gateways
• Troubleshooting Webex Calls ICE Flows
• Troubleshoot Gateways Issues using Wireshark
• Troubleshoot Gateways Issues using Wireshark

Module 7: Troubleshooting Encrypted Calling Between UCM and Webex Calling 

• Secure Connections
• Securing Premise - Based Gateways with CUCM
• Securing IP Phones
• Troubleshooting Secure Connections

LAB OUTLINE

Lab 1: Connecting to the Webex Calling Lab

Lab 2: Control Hub Review

Lab 3: Create and Setup a Location for Premised Based PSTN

Lab 4: Webex Calling Trunks

Lab 5: Webex Calling Route Group

Lab 5: Webex Calling Dial - Plans

Lab 6: Webex Calling Interop With CUCM

Lab 7: (Optional) India Specific Configurations for Webex Calling

Lab 8: Cube Configuration

Lab 10: Deploy Webex Calling Site Survivability

Lab 11: Troubleshoot Dial- Plans

Lab 12: Troubleshooting Call Routing

Lab 13: Troubleshoot Premise - Based Gateways

Lab 14: Troubleshoot Gateways Issues Using Wireshark