(1) Short for Session Initiation Protocol, it is an application-layer control protocol; a signaling protocol for Internet Telephony. SIP can establish sessions for features such as audio/videoconferencing, interactive gaming, and call forwarding to be deployed over IP networks, thus enabling service providers to integrate basic IP telephony services with Web, e-mail, and chat services. In addition to user authentication, redirect and registration services, SIP Server supports traditional telephony features such as personal mobility, time-of-day routing and call forwarding based on the geographical location of the person being called.
See “The Difference Between VoIP and PSTN Systems” in the Did You Know… section of
- SIP B
Short for session initiation protocol for business (SIP for Business) is a SIP-based protocol which allows advanced SIP features to be adopted for business telephony networks. SIP for Business does not modify the SIP standard in any way (nor does it propose any extensions or modifications to the SIP standard). It is a series of […]
- SIP proxy
Also called a SIP server or SIP proxy server, in telecommunications it is one of the main components of an IP PBX that is used by SIP to perform many of the call set-up functions. As described in RFC 3621 – SIP: Session Initiation Protocol SIP makes use of elements, called proxy servers (SIP proxy) […]
Based on SIP (Session Initiated Protocol) a SIPphone is a SIP service that provides a free SIP-based VoIP network. To use SIPphone you need either a SIPphone adapter or softphone software and a broadband Internet connection. To make free in-network (SIP to SIP) calls, both sides of the call must have a SIPphone adapter or […]
Short for single instruction, single data. A type of parallel computing architecture that is classified under Flynn’s taxonomy. A single processor executes a single instruction stream, to operate on data stored in a single memory. There is often a central controller that broadcasts the instruction stream to all the processing elements.
- Stock Keeping Unit SKU
Short for stock keeping unit, SKU is a unique numerical identifying number that refers to a specific stock item in a retailer’s inventory or product catalog. The SKU is often used to identify the product, product size or type, and the manufacturer. In the retail industry, the SKU is a part of the backend inventory […]