Instant Messaging and Presence
The Session Initiation Protocol for Instant Messaging and Presence Leveraging Extensions (SIMPLE) is the SIP-based suite of standards for instant messaging and presence information. MSRP (Message Session Relay Protocol) allows instant message sessions and file transfer.
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Famous quotes containing the words instant and/or presence:
“Each instant of life is a step toward death.”
—Pierre Corneille (1606–1684)
“Make a joyful noise unto the Lord, all ye lands.
Serve the Lord with gladness: come before his presence with singing.”
—Bible: Hebrew Psalm C (l. C, 1–2)