VoiceXML combines the power of the Internet with the flexibility of voice, using the telephone as the access point to the Internet. XML is replacing HMTL as the state of the art for enabling customers and employees to access business over the Internet. VoiceXML enables companies to provide the same information via the phone with minimal additional development. This book shows how to build phone-enabled Web sites with VoiceXML. For Web developers it explains the essentials of telephony, and for telecom experts it explains the essentials of the Web.