VOIP Industry Dictionary is a free tool to get technical definitions and lookup industry terms from more than 11,000 terms, acronyms, and definitions.
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Session Initiation Protocol - SIP Book
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Internet Protocol Telephony - IP TelephonyInternet protocol telephony (IP telephony) systems provide voice or multimedia communication services through the use Internet protocol (IP) networks. These IP networks initiate, process, and receive voice or multimedia communications using Internet protocol. These IP systems may be public IP systems (e.g. the Internet), private data systems (e.g. LAN based), or a hybrid of public and private systems.
Voice Over Internet Protocol Operation
This diagram shows how an Internet network (public or private) can be used to provide telephone service. In this example, a calling telephone or multimedia capable computer dials a telephone number. This telephone number is provided to a voice gateway. The voice gateway decodes the dialed digits and determines the destination address (IP address) of the gateway that can service the dialed telephone number. The remote gateway signals the caller of an incoming call (rings the phone or alerts a multimedia computer). When the user answers the call, a message is sent between the gateways and a virtual path can be created between the gateways. This virtual path takes the audio, converts it to digital form, compresses and packetizes the information, adds the destination gateway address to each packet, routes the packets through the Internet to the destination gateway, and converts the digital audio back to its original analog form.
SIP Books
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Search Engine Optimization - SEO Book
This book explains why people and companies are using SIP equipment and software to efficiently upgrade existing telephone systems, develop their own advanced communications services, and to more easily integrate telephone network with company information systems. This book also provides descriptions of the function parts of SIP systems and operations. $19.99 Printed, $16.99 eBook |
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