Automatic number identification (ANI) is used to determine the origination telephone number on toll calls for billing purposes. ANI service captures a caller’s telephone number and line type even if caller ID blocking is used.
An application is a collection of functions grouped for a single purpose. The following types of applications are examples of services: prepaid calling, collect calling, IP conferencing, and credit card billing.
A called function is a function that is invoked by the Call a Function PAC.
Directory Number
Dual-Tone Multi-Frequency (DTMF) signaling, commonly known as touch-tone dialing, uses audible tones for each dialed digit to control automated equipment and signal user intent.
An event handler is a function that executes in response to a particular event.
Functions are a series of connected PACs. Each application is made up of several functions.
Hypertext transfer protocol (HTTP) is a request/response networking protocol for distributed, collaborative, hypermedia information systems. This protocol is defined in RFC 2616.
The Internet Engineering Task Force (IETF) is an Internet standards body.
Internet message access protocol (IMAP) is an Internet standard protocol for electronic mail retrieval. This protocol is defined in RFC 3501.
IP Multimedia Systems (IMS) is a system architecture used to deliver IP multimedia services.
Intelligent Network (IN) is a standard network architecture for land line and mobile telecommunications networks. The intelligence in the network is provided by network nodes (switches or telephone equipment).
Internet Protocol
Local Access and Transport Area (LATA) represents a geographical area of the United States where a divested Regional Bell Operating Company (RBOC) is permitted to offer exchange telecommunications.
Media gateway control protocol (MGCP) is a device control protocol used by the Application Server to control the software media server. This protocol is defined in RFC 3435.
A plug-in action component (PAC) performs a specific action. Connecting PACs that perform various actions creates a function.
Remote Authentication Dial-In User Service (RADIUS) is a networking protocol that provides centralized authentication, authorization, and accounting management for users that connect and use a network service.
Real-Time Transport Protocol (RTP) defines a standard format for delivering audio and video over IP networks.
Signaling Connection Control Part (SCCP) is the network layer protocol for SS7 telecommunications networks.
Session Description Protocol (SDP) defines how multimedia sessions can be set up so all end points can participate in the session.
Signaling Transport protocol that is an extension of the SS7 protocols.
Session initiation protocol (SIP) is a signaling protocol used to control communication sessions over IP. This text-based protocol incorporates many of the elements of HTTP and SMTP and is defined in RFC 3261.
Simple mail transfer protocol (SMTP) is the Internet standard for electronic mail transmission across IP. This protocol is defined in RFC 821.
Simple object access protocol (SOAP) is a W3C (world wide web consortium) recommendation and is an XML-based protocol designed for the exchange of information in a decentralized distributed environment.
Signaling System No. 7. (SS7) is a set of signaling protocols used to set up and tear down calls.
A uniform resource identifier (URI) is used to identify HTTP resources.
A uniform resource locator (URL) is used to identify and locate HTTP resources.
Voice over Internet Protocol (VoIP) is a method used to deliver voice communications and multimedia sessions using an Internet connection.