SIP

SIP may refer to:

Business and economics

• Sales Incentive Plan and Share Incentive Plan, employee motivation schemes
• Systematic Investment Plan, investment strategy
• Securities Information Processor, in securities trading, the operator of a system which collects and disseminates data on electronic quotes and trades.

Computing

• Scilab Image Processing, an image processing toolbox
• Server Interface Pod, a Dell product that transfers signals to a KVM switch
• Service Improvement Plan, provides improved telecommunications services in Canada
• Session Initiation Protocol, IP network protocol typically used for VoIP (Voice Over IP) telephony
• Soft Input Panel, the main input method on a Pocket PC
• Standard Interchange Protocol, a proprietary standard for communication between library computer systems and self-service circulation terminals
• Supplementary Ideographic Plane in the context of Unicode
• System Idle Process, a process in Windows NT-based operating systems
• System in package, chip technology
• SIP (software), a tool which generates C++ interface code for the programming language Python

Engineering

• Seat Indication Point in vehicle design
• Signature image processing in welding fault detection
• Silicon intellectual property (Silicon IP), business model for licensing intellectual property
• Single in-line package, for packaging electronic components
• SIP hardening, process to make re-use of proven design
• Spectral induced polarisation in geophysics
• Structural insulated panel in construction
• Suzhou Industrial Park in Suzhou, China

Mathematics

• Semi-infinite programming, a type of mathematical optimization problem
• Strongly implicit procedure, the Stone method, an algorithm for solving a sparse linear system of equations

Other

• Simferopol International Airport (IATA: SIP), an airport in the Ukraine
• Società Idroelettrica Piemontese, the former name of Telecom Italia
• Stable Isotope Probing, used in molecular biology
• State Implementation Plan, such as the United States Environmental Protection Agency
• Structural insulated panel, a composite building material
• Shelter Implementation Plan for dealing with the remains of the Chernobyl disaster
• Statistically Improbable Phrases, a system used to find unique phrases for use as keywords
• Station Independence Program, a fund-raising program for Public Broadcasting Service affiliates
• Strangers in Paradise, an award-winning comic book
• Social information processing, an activity through which collective human actions organize knowledge
• Soviet Interview Project
• Sub-Irrigated Planter, a type of gardening container
• SIP Grenade, meaning Self Igniting Phosphorus
• Sip, a common name for Novi Sip, Serbia