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(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 Webopedia.
(2) Short for single in-line package, a type of housing for electronic components in which the connecting pins protrude from one side. Compare with DIP and PGA. A SIP is also called a Single In-line Pin Package (SIPP).
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Webopedia's "Did You Know...?" Section
Use this Webopedia knowledge section for an in-depth overview of specific technologies and occurrences in the areas of Computer Science, The Internet, and Computer Hardware and Software.
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Use this Webopedia reference section for information on common Internet and computer facts and occurrences.
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