IVR Glossary

Plum Voice's comprehensive documentation of IVR concepts, topics, and terminology.

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Packet
In computer networking, a packet, or data packet as it is often referred to, is a unit of data that is transmitted and switched to a packet mode computer network.   Read more...
Packet Switching
In network communications, packet switching is the process of routing and transferring data through preaddressed packets.   Read more...
Paragraph
The paragraph tag tells the TTS engine to change the prosody element to reflect the end of a paragraph, regardless of the surrounding punctuation.   Read more...
Param
The param element is used to specify values that are passed to subdialogs.   Read more...
PBX
A private branch exchange (PBX) is a private telecommunications network that serves a specific subscriber (typically a business or office).   Read more...
Phoneme
A phoneme is the smallest segmental unit of sound that can be used to form contrasts between utterances.   Read more...
PHP
A scripting language that can be used to generate dynamic VoiceXML and to process and store data on a server; also commonly used for generating dynamic webpages.   Read more...See also: Recordcall, Regular expression
Physical Layer
The physical layer is the first (and also the lowest) layer of network architecture in a communications network.   Read more...
Plum IVR Survey
The Plum Survey Builder is the only tool that lets users create one survey and deploy it over both the phone and Internet.   Read more...See also: Interactive Voice Response, Survey
Presentation Layer
In Network Architecture the presentation layer is layer six of a seven-layer structure that serves as the data translator for the network.   Read more...
Programming Language
Programming language is simulated speech that is utilized by machines to communicate with other machines, write programs, determine both internal and external behavior, and allows for human-machine communication.   Read more...See also: Source Code
Prompt
The prompt element controls the output of synthesized speech and prerecorded audio in a VXML application.   Read more...
Property
The property element sets a property value, and is used to define any setting which impacts the behavior of the application.   Read more...See also: Confidencelevel, Inputmodes, Interdigittimeout, Maxspeechtimeout, Recordcallappend, Sensitivity
Prosody Element
A prosody element is a feature of VoiceXML that allows developers to control the pitch, contour, range, speaking rate, duration, and volume of an IVR application’s speech output.   Read more...
Proxy Server
A proxy server is a server that acts as an intermediary for requests from client seeking resources from other servers.   Read more...See also: Cache

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Sentence
The sentence element is used to format a particular region of TTS to be read out in sentence structure, rather than paragraph structure.