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| Foreword | |
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| Introduction | |
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| About This Book | |
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| Conventions Used in This Book | |
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| What You Don't Have to Read | |
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| Foolish Assumptions | |
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| How This Book Is Organized | |
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| Introducing Asterisk! | |
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| Using Dialplans - the Building Blocks of Asterisk | |
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| Maintaining Your Phone Service with Asterisk | |
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| The Part of Tens | |
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| Appendixes | |
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| Icons Used in This Book | |
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| Where to Go from Here | |
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| Introducing...Asterisk! | |
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| Evaluating the Possibilities with Asterisk | |
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| Finding Out What You Can Do with Asterisk | |
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| Using Asterisk for your phone system | |
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| Jumping into VoIP with Asterisk | |
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| Bridging technologies of VoIP and non-VoIP | |
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| Bringing wireless into the equation | |
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| Running your telephony business with Asterisk | |
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| Realizing the benefits of VoIP to big businesses | |
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| Getting Acquainted with AsteriskNow | |
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| Introducing the Supporting Hardware | |
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| Determining your analog hardware needs | |
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| Using analog interfaces | |
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| Going digital and dedicated | |
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| Sending calls out VoIP | |
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| Communicating with your phones or dialers | |
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| Installing Asterisk | |
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| Taking Inventory of Your Hardware and Software | |
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| Sharing the load with multiple servers | |
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| Living with Linux | |
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| Downloading the Asterisk Software | |
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| Getting a head version of Asterisk | |
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| Securing a stable version of Asterisk | |
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| Building a tarball | |
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| Compiling Asterisk | |
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| Starting with libpri | |
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| Moving to Zaptel | |
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| Bringing up Asterisk | |
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| Turning on sounds and add-ons | |
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| Overcoming Common Compiling Issues | |
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| Managing Server Security | |
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| Installing AsteriskNow | |
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| Downloading AsteriskNow | |
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| Booting the AsteriskNow CD | |
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| Choosing your variety of installation | |
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| Identifying your partition preference | |
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| Identifying network devices | |
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| Locating your time zone | |
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| Assigning a password | |
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| Completing the installation by rebooting | |
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| Arriving at the AsteriskNow Console Menu | |
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| Configuring the Hardware | |
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| Configuring Everything You Need | |
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| Setting Up Your Zaptel Cards | |
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| Building Analog Connections to Your Carrier | |
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| Configuring the FXO card with FXS signaling | |
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| Identifying your driver | |
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| Installing the driver | |
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| Validating your successful configuration | |
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| Building an analog connection to your phone | |
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| Tying the analog cards to Asterisk | |
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| Bringing in VoIP | |
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| Getting to know the sip.conf file | |
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| Configuring an SIP user | |
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| Configuring an SIP peer | |
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| Understanding Inter Asterisk eXchange (IAX) Connections | |
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| Setting up an inbound IAX connection | |
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| Designing outbound IAX connections | |
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| Receiving Help with Debugging | |
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| Using Dialplans - the Building Blocks of Asterisk | |
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| Comprehending Dialplan Syntax | |
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| Starting with a Basic Dialplan | |
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| Understanding the context | |
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| Identifying extensions | |
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| Utilizing priorities | |
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| Engaging an application | |
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| Processing Incoming Calls | |
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| Building Internal Options | |
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| Using Variables | |
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| Exploiting globally | |
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| Focusing on the individual call | |
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| Using local extensions | |
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| Concerning yourself with the environment | |
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| Adding Intelligence to Your Dialplan | |
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| Ignoring leading digits | |
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| Cashing in with account codes | |
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| Replacing caller ID | |
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| Dialing to the Outside World | |
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| Understanding pattern matching | |
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| Using dialstatus | |
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| Using 911, 411, and 611 | |
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| Adding Features to Dialplans | |
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| Refining Your Code with Symbols | |
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| Conferencing with MeetMe | |
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| Queuing Calls | |
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| Prioritizing calls | |
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| Penalizing extensions | |
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| Cascading queues | |
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| Getting music on hold | |
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| Using the GotoIf() Application | |
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| Adding Voice Mail | |
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| Building a voice mailbox | |
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| Empowering voice mail with options | |
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| Building a dial-by-name directory | |
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| Recording your personal messages | |
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| Enhancing your voice mail with the GotoIfTime() application | |
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| Diving In with Macros | |
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| Making Expressions | |
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| Using operators | |
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| Realizing the sequencing | |
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| Having Fun with Functions | |
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| Building Dialplan Infrastructure | |
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| Monitoring Your Channels | |
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| Using true channel monitoring | |
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| Showing your channel info | |
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| Checking Your Call Detail Records | |
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| Appending the CDR | |
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| Integrating MySQL into your Asterisk | |
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| Working with the Asterisk Database | |
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| Setting info into the AstDB | |
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| Inputting data into AstDB | |
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| Cleaning up the AstDB | |
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| Going beyond AstDB | |
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| Operating the AsteriskNow GUI | |
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| Connecting to the GUI | |
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| Programming AsteriskNow from the GUI | |
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| Establishing user extensions | |
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| Building conference rooms | |
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| Using voice mail for extensions | |
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| Using call queues | |
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| Creating trunks | |
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| Changing the rules | |
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| Designing voice menus | |
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| AsteriskNow management options | |
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| Utilizing VoIP Codecs | |
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| Choosing a Voice Codec | |
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| Using uncompressed G.711 | |
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| Compressing voice with G.729 | |
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| Determining the number of licenses you need | |
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| Transmitting VoIP Faxes | |
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| Receiving Videos | |
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| Maintaining Your Phone Service with Asterisk | |
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| Troubleshooting VoIP Calls with Packet Captures | |
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| Understanding Packet Capture Programs | |
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| Acquiring the Software | |
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| Installing the Packet Capture Software | |
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| Installing Wireshark | |
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| Installing tcpdump | |
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| Starting and Stopping a Packet Capture | |
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| Capturing packets with tcpdump | |
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| Capturing packets with Wireshark | |
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| Reading a Packet Capture in Wireshark | |
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| Looking at a completed call | |
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| Looking at a failed call | |
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| Maintaining Your Telecom Services | |
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| Understanding Troubleshooting Basics | |
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| Analog outbound long-distance call | |
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| Analog inbound long-distance call | |
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| Analog local call (inbound or outbound) | |
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| Dialing someone else's toll-free number | |
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| Someone is dialing your analog toll-free number | |
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| Digital calling | |
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| Connecting via VoIP | |
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| Comparing call types | |
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| Narrowing carrier-level problems | |
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| Creating a cut sheet | |
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| Getting the Most from Your Carrier's Troubleshooting Department | |
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| Identifying your call treatment | |
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| Providing a call example | |
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| Understanding when to provide multiple call examples | |
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| Managing Your Trouble Tickets | |
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| Understanding the timelines | |
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| Coping with large outages | |
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| Troubleshooting International Calls | |
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| Resolving International Fax Issues | |
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| Addressing Call-Quality Concerns and Completion Issues | |
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| Working through Analog Issues | |
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| Confirming configuration and setup of analog service | |
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| Bypassing die Asterisk server | |
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| Checking your long-distance carrier | |
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| Bypassing your long-distance carrier | |
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| Using a different local carrier | |
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| Confirming problems on the receiving end | |
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| Getting Analog Toil-Free Troubleshooting Basics | |
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| Dialing the number yourself | |
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| Dialing the ring-to number locally | |
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| Dialing the ring-to number through your long-distance carrier | |
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| Dialing the ring-to number over another carrier | |
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| Validating the ring-to number and RespOrg | |
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| Distilling the Nature of VoIP Issues | |
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| Addressing VoIP call-quality issues | |
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| Battling one-way audio | |
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| Troubleshooting outbound VoIP calls | |
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| Addressing incoming VoIP call problems | |
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| Handling IAX Issues | |
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| Debugging Your Devices | |
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| Handling Dedicated Digital Troubles | |
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| Identifying the Level of Your Problem | |
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| Differentiating local from long distance | |
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| Identifying DS-1-level circuit variables | |
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| Identifying DS-0 or individual channel issues | |
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| Opening a Trouble Ticket for Your Dedicated Circuit | |
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| Going through the basics | |
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| Letting your channels be your guide | |
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| Using a T-1 test set | |
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| Managing Your Dedicated Trouble Ticket | |
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| Reducing the Impact of an Outage | |
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| Managing Asterisk for Peak Capacity | |
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| Handling Carrier Connectivity Bottlenecks | |
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| VoIP limitations | |
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| Analog and digital limitations | |
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| Dealing with Internal Bottlenecks | |
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| Saving Capacity for a Rainy Day | |
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| Entertaining the Third-Party Software | |
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| Providing Long-Term Health for Your Asterisk Switch | |
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| Using an Uninterruptible Power Supply | |
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| Standby UPSs | |
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| Online UPSs | |
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| Reinstalling Your Asterisk Source Code | |
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| Making a backup copy of your original Asterisk code | |
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| Dealing with Linux ramifications | |
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| Providing General Server Maintenance | |
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| Adding Organization to Your Dialplan | |
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| Designing a Disaster Recovery Plan | |
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| Securing the System | |
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| The Part of Tens | |
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| Ten Things You Should Never Do with Asterisk | |
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| Killing Your Carrier with Calls | |
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| Manipulating the Origination Phone Number | |
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| Manipulating the Telemarketing Caller ID | |
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| Forgetting to Build Routes | |
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| Getting an Edge on Radio Call-Ins | |
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| Exposing Yourself to Fraud | |
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| Building a Dialplan of Frustration | |
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| Working without a Safety Net | |
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| Disregarding the Power of Macros | |
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| Ignoring the Need to Learn More | |
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| Ten Fun Things to Do with Your Asterisk | |
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| Fending Off Telemarketers | |
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| Giving Your Friends Special Options | |
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| Setting an Extension to Call for Local Weather Reports | |
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| Creating a Voice Mailbox That E-Mails Everyone | |
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| Using the Power of VoIP from Your Cell Phone | |
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| Turning On Your Lights with Asterisk | |
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| Remote Listening | |
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| Transmitting Your Voice through Your Stereo | |
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| Maximizing Your Savings | |
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| Taking Charge of Your Phone System | |
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| Ten Places to Go for Help | |
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| Working the Asterisk Wiki | |
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| Going to the Source | |
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| Developing Your Database Skills | |
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| Strengthening Programming Skills | |
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| Tapping All Known Resources | |
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| Loading Up on Linux | |
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| Entering the Digium Forum | |
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| Appendixes | |
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| Visualizing the Dialplan | |
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| Taking In the 30,000-Foot View | |
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| Going Global | |
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| Maximizing DID Programming | |
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| Setting Up a Macro for Voice Mail | |
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| Dialing the Outside World | |
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| Integrating Direct Inward Dial Numbers | |
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| Routing to Extensions | |
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| Providing a Default Context | |
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| Queuing Up Company Sales | |
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| Recording a Custom Menu | |
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| VoIP Basics | |
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| Finding Out How VoIP Works | |
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| Using SIP for VoIP | |
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| Building a standard VoIP call | |
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| Maximizing bandwidth by reinviting calls | |
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| Evaluating your compression options | |
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| Optioning for touch tones | |
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| Passing the Interoperability Test | |
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| VoIP Quality Issues | |
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| Moving from Non-VoIP Service to VoIP Service | |
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| Understanding Basic Linux | |
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| Defining Linux | |
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| Navigating in Linux | |
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| Introducing Permissions | |
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| Navigating Directories | |
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| Knowing root from root home | |
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| Visiting the directory neighborhood | |
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| Working with Files | |
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| Editing files | |
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| Saving files | |
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| Closing a file | |
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| Backing up files | |
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| Getting Info from the man Files | |
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| Searching Files and Directories | |
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| Index | |