Free E-Books: CBTNuggets

CBTNuggets - Cisco 642-426: CCVP TUC

English | WMV/WMV1, 2500 kb/s, 640x480, 29.97 fps | WMA, 96 kb/s, 44.1 KHz, 2 ch | 11 hrs | 1.87 GB

Genre: eLearning, video training

Are you ready for a training rocket ride? Then hang on while ace trainer Jeremy Cioara brings you the entire range of voice topics. In no time, you''ll be mending most of the common voice problems you''re likely to encounter.This training is a "best-of" series that combines all the other VoIP series into one. Jeremy provides you with practical scenarios demonstrating real world problems and solutions. He also demonstrates troubleshooting in both CallManager 4 (the Windows version) and 6 (the Linux version). Plus, he explains many concepts that fill in the gaps if you don''t have experience with some of the prerequisite information.

What You'll Learn:
Video 1: IP Telephony: Cisco Certification and Getting the Most from this Series|23:08
With every new program, there is typically an included "Read Me First" text file. In the same sense, consider this nugget the "Watch Me First" of the series. This nugget presents the strategies you can use for getting the most from the series, changes to the Cisco certification program, and the ideal lab equipment to use for the series.
Video 2: Foundations: Troubleshooting Cisco Voice|35:55
Moving into a realm of troubleshooting requires a big picture perspective and plan. This nugget discusses the broad areas of troubleshooting on the voice network and the systematic process used to work through the issues you may encounter.
Video 3: Foundations: Gathering Troubleshooting Information|35:46
Cisco includes many troubleshooting tools with the CallManager platform. In this nugget, Jeremy walks through many of the tools you have at your disposal for troubleshooting
Video 4: Foundations: Gathering Troubleshooting Information, Part 2|37:29
The troubleshooting tool discussion continues as you move from the 10,000 foot overview to specific focus on the Real Time Monitoring Tool (RTMT), CallManager trace files, and the Cisco Voice Log Translator (VLT).
Video 5: CCM Troubleshooting: Endpoint registration|35:54
One of the most common areas of troubleshooting in a VoIP network are the IP Telephony endpoints. Phones can become unresponsive or endlessly boot cycle. This video discusses the Cisco IP Phone boot process and expores the troubleshooting mindset necessary to solve challenges with these devices.
Video 6: CCM Troubleshooting: Server operation|23:51
If the CallManager servers are not stable, nothing is stable! In this nugget, Jeremy discusses the process to ensure the CallManager servers stay online and methods to continually monitor their performance.
Video 7: CCM Troubleshooting: Security Issues|30:41
VoIP security can be quite complex. With anything complex, a variety of troubleshooting can emerge. This nugget discusses the concepts and process behind VoIP security.
Video 8: CCM Troubleshooting: Security Issues, Part 2|23:15
The VoIP security realm continues as we build on the foundations laid in the previous nugget by discussing specific methods used to troubleshoot VoIP security issues.
Video 9: CCM Troubleshooting: Database Replication|33:56
The Cisco CallManager database is at the core of the entire VoIP network. Whether you are using Microsoft SQL Server 7.0/2000 (CallManager versions 3 and 4) or IBM Informix Dynamic Server (IDS - CallManager versions 5, 6, and 7), a failing database replication can cause an outage for thousands of phones. This nugget is dedicated to diagnosing and repairing database replication issues in your CallManager cluster.
Video 10: CCM Troubleshooting: LDAP Replication|34:16
Many people are suprised when they find out Cisco CallManager supports a user database. Why would you need a user database for IP Phones? Watch this nugget to find out! In this nugget, Jeremy discusses integration options and troubleshooting steps for a local and/or LDAP user database.
Video 11: CCM Troubleshooting: Gateway Communication|40:16
Our attention now turns from CallManager to gateway troubleshooting. More specifically: MGCP gateway troubleshooting. Cisco CallManager uses MGCP to gain complete control of gateways configured for MGCP. This centralizes your configuration and eases the administrative burden from your end. In this nugget, Jeremy goes WAY beyond basic MGCP configurations and pulls out Wireshark to analyze and troubleshoot CallManager to gateway communication using MGCP.
Video 12: CCM Troubleshooting: Call Failures|42:11
Outside of IP Phone registration issues, call routing failures are the most common troubleshooting issue you will encounter in the VoIP network. This nugget focuses around troubleshooting call routing failures in a single-site, single-cluster environment. Topics focus around CCM digit analysis, partitions and calling search spaces, translation patterns, and more.
Video 13: CCM Troubleshooting: Call Failures, Part 2|33:25
The call failure troubleshooting discussion moves to calls outside your cluster. In this nugget, Jeremy focuses on MGCP and H.323 gateway concepts and troubleshooting steps.
Video 14: CCM Troubleshooting: Call Failures, Part 3|43:27
In this final call troubleshooting nugget, you will focus on CallManager-specific troubleshooting areas. These include troubleshooting caller-id, secondary dial-tone, one-way audio, dead air, and ringback.
Video 15: CCM Troubleshooting: Call Routing|24:32
Just like data packets, correct routing of voice calls is essential. This nugget highlights major troubleshooting areas for CCM call routing including TEHO issues, call disconnects, and proper data to PSTN network fallback.
Video 16: CCM Troubleshooting: Gatekeeper Communication|37:28
H.323 Gatekeepers have the ability to simplify the network configuration and management for your VoIP environment. In this nugget, Jeremy discusses the concepts behind H.323 Gatekeepers, Gatekeeper configurations, and the troubleshooting process.
Video 17: Network Troubleshooting: Voice Quality Issues|48:58
Quality of Service (QoS) issues can quickly destroy a VoIP network. This nugget is dedicated to looking through key QoS requirements and configurations, along with QoS troubleshooting methods.
Video 18: Cisco Unity: Integration Issues|47:39
The Cisco Unity voicemail system is really the "black sheep" of the CCVP certification track since Cisco did not include any exams tailored to the Unity system. In this nugget, Jeremy goes beyond basic Unity troubleshooting to explore foundation Unity - CallManager integration, then walks through common Unity troubleshooting topics: Message Waiting Indicators (MWIs), Call Transfer issues, and Unity Subscriber settings.
Video 19: Resources: CTI and Media Resource Troubleshooting|33:51
New troubleshooting areas unfold as you integrate your CallManager system with outside applications and resources using Computer Telephony Integration (CTI) and media resource management. This nugget explores the functions of CTI and media resources in a CallManager cluster, then walks through troubleshooting steps.
Video 20: A Final Word: TUC Certification Prep|05:41
In this "Final Word" nugget, Jeremy gives some last minute test advice for those seeking to pass the Cisco TUC certification exam. Good luck!
Homepage: http://www.cbtnuggets.com/series?id=273

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CBTNuggets - Cisco 642-453: CCVP GWGK
English | WMV/WMV1, 1500 kb/s, 640x480, 15 fps | WMA, 96 kb/s, 44.1 KHz, 2 ch | 15 hrs | 2.61 GB
Genre: eLearning, video training

Voice over IP (VoIP) offers companies dramatic efficiencies that can save them big bucks. What could be better than making yourself the go-to guy for all your organization''s VoIP solutions? Whether you're specializing in VoIP gateway configurations in live environments or seeking to round out your VoIP expertise, this is definitely the training for you. Think of GWGK as "advanced CVoice," because it fills in a whole bunch of CVoice "what-if" gaps.

What You'll Learn
Video 1: The Final Word: Certification Preparation|32:51
With every new program, there is typically an included "Read Me First" text file. In the same sense, consider this nugget the "Watch Me First" of the series. This nugget presents the strategies you can use for getting the most from the series, changes to the Cisco certification program, and the ideal lab equipment to use for the series.
Video 2: Understanding the Building Blocks: Gateways, Gatekeepers, IP-to-IP Gateways, Voice Protocols|30:37
Since the Gateway/Gatekeeper series is typically viewed near the end of the CCVP certification program, an understanding of the major equipment "building blocks" is necessary. This nugget is dedicated to a discussion of the building blocks of a voice network: voice gateways, gatekeepers, IP-to-IP gateways, and voice protocols.
Video 3: Understanding the Building Blocks: Call Control Agents, Deployment Scenarios|27:56
The building block discussion from the previous nugget concludes with an understanding of the supported Cisco call control agents and models.
Video 4: Voice Protocols: Understanding and Implementing MGCP|25:50
There are currently three voice signaling protocols which can start, end, and control VoIP calls: MGCP, H.323, and SIP. This nugget is dedicated to the first of these protocols: MGCP. Jeremy walks through purpose behind MGCP and reasons you would use this protocol in your network. The discussion then gets deeper as you explore MGCP messaging and call flows.
Video 5: Voice Protocols: Understanding and Implementing MGCP, Part 2|48:39
The discussion of MGCP turns practical as Jeremy moves into the MGCP general configuration process. This nugget gives special attention to MGCP backhaul configurations, which are commonly used to control ISDN PRI-based QSIG configurations.
Video 6: Voice Protocols: Understanding and Implementing H.323|37:52
Because of its maturity and flexibility, H.323 is the default voice signaling protocol on all Cisco routers. In this nugget, Jeremy walks through purpose behind H.323 and reasons you would use this protocol in your network. Following in suite with the MGCP discussion, you will then explore H.323 messaging and call flows.
Video 7: Voice Protocols: Understanding and Implementing H.323, Part 2|50:48
H.323's peer-to-peer design opens the door to a plethora of configuration potential. This nugget moves from one practical, real-world configuration to the next as you implement Cisco CallManager (CCM) dial-peer redundancy, multiple codecs per dial-peer, a variety of voice service parameters, toll bypass configuration, integration of H.323 gateways with CCM, and DTMF relay options.
Video 8: Voice Protocols: Understanding and Implementing SIP|45:59
The Session Initiation Protocol (SIP) is poised to be the TCP/IP of the voice world. In this nugget, Jeremy looks at what is currently happening with the SIP protocol and its future. In addition, the nugget explores basic SIP configurations from both the voice gateway and Cisco CallManager perspective.
Video 9: Legacy Connections: Analog PSTN Connectivity|37:00
In today's world, every VoIP network must eventually end. All voice roads will eventually lead you to the Public Switched Telephone Network (PSTN). This nugget focuses on allowing analog connectivity to the PSTN through Foreign Exchange Office (FXO) and Direct Inward Dial (DID) interfaces. In addition, Jeremy explores the use of Centralized Automated Message Accounting (CAMA) lines for emergency call trunks.
Video 10: Legacy Connections: Digital PSTN Connectivity|32:20
While analog PSTN connectivity runs rampant in the small business realm, larger organizations use digital trunk lines to handle a larger volume of calls. In this nugget, Jeremy looks at the digital PSTN connectivity options, then explores the configuration of each of the supported digital trunks: ISDN PRI, T1 CAS, and E1 R2.
Video 11: Legacy Connections: Analog PBX Interconnections|23:55
As an organization begins to inch towards a VoIP deployment, they will often set up a small VoIP pilot network to prove the concept. Often, this pilot network will connect to the existing PBX system using smaller analog trunks. This nugget discusses the use of these analog connections to bridge the VoIP and Time-division Multiplexing (TDM) realms.
Video 12: Legacy Connections: Digital PBX Interconnections|51:58
As pilot VoIP deployments grow larger, analog lines no longer do the job. PBX interconnections quickly move into the digital phase, which is discussed in this nugget. In addition, once you have mastered digital PBX connections, you can move the network into a Tie-Line replacement phase allowing you to begin seeing cost savings immediately!
Video 13: Voice Gateways: VoIP Fax and Modem Considerations|32:29
Video 14: Voice Gateways: Dial Plans and Dial Peers|39:59
Dial plans are the core of the VoIP network. In this nugget, Jeremy discusses the best practices behind designing a dial plan and the critical concepts of inbound and outbound dial-peer matching.
Video 15: Voice Gateways: Digit Manipulation|56:43
As a Cisco VoIP engineer, you need to be able to change dialed numbers (DNIS) or caller id information (ANI) to meet the company requirements. This nugget discusses the concepts behind digit manipulation.
Video 16: Voice Gateways: Digit Manipulation, Part 2|30:46
The digit manipulation fun continues as Jeremy puts the concepts learned in the prior nugget to practice with translation rule configurations.
Video 17: Voice Gateways: Call Admission Control|45:10
While Quality of Service (QoS) protects the VoIP traffic from data, how are you able to protect VoIP traffic from other VoIP traffic? The answer lies in Call Admission Control (CAC) mechanisms. In this nugget, Jeremy walks through the many methods of CAC available on Cisco devices.
Video 18: Voice Gateways: Understanding and Implementing Class of Restriction (COR)|32:19
Not everyone can call everything. Call restrictions have been a standard part of telephony systems since decades past. Cisco implements call restrictions on voice gateways through a concept known as Class of Restriction (COR). In this nugget, Jeremy explores the ideas and configurations behind COR.
Video 19: Voice Gateways: Implementing SRST/MGCP Fallback|27:13
In the case of catastrophic WAN failures, your voice gateway may need to step up to support IP Phones typically handled by Cisco CallManager. This is a feature known as Survivable Remote Site Telephony (SRST), which is covered in this nugget.
Video 20: Voice Gateways: Managing DSP Resources|35:13
Digital Signal Processors (DSPs) are the little engines that run the voice network. These oft forgotten devices can come back to haunt you when it's time to add advanced VoIP features such as transcoding, conferencing, and media termination points.
Video 21: Voice Gateways: TCL Scripts and Voice XML|11:00
Tool Command Language (TCL) scripts and Voice XML allow you to add functionality to your voice network that is not built in to the Cisco devices. In this nugget, Jeremy walks through the implementation of TCL scripts on a Cisco voice gateway.
Video 22: Gatekeepers: Functionality and Network Integration|36:10
The voice gateways have been left behind as all attention now turns to the H.323 Gatekeeper of the voice network. This nugget discusses the place, purpose, and concepts behind the H.323 Gatekeeper device.
Video 23: Gatekeepers: Basic Configuration|32:24
The Gatekeeper concepts now turn into the practical configuration. In this first Gatekeeper configuration nugget, Jeremy walks through the basic implementation of H.323 Gatekeepers and adds voice gateway integration.
Video 24: Gatekeepers: Advanced Configuration|47:22
The Gatekeeper configuration continues as Jeremy tackles multiple Gatekeeper zone implementations, Gatekeeper CAC, Directory Gatekeepers, CallManager integration, and Resource Availability Indicator (RAI).
Video 25: IP-to-IP Gateways: Concepts and Configuration|24:00
The IP-to-IP Gateway is a concept created by Cisco, which allows you to divide your voice network from others. In this nugget, you will learn the purposes behind the IP-to-IP Gateway and its foundation configuration.
Video 26: A Final Word: GW/GK|05:08
A Final Word is a nugget dedicated to those focused on the Cisco GW/GK certification exam. In this nugget, Jeremy walks through key study points and relates his own exam experiences.
Homepage: http://www.cbtnuggets.com/series?id=270

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