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ICW (Internet Call Waiting)
Note: Many topics at this site are reduced versions of the text in "The Encyclopedia of Networking and Telecommunications." Search results will not be as extensive as a search of the book's CD-ROM.
The IETF PSTN/IN Requesting InTernet Services (SPIRITS) Working Group is developing specifications and protocols that describe how telephony services in IP networks can be started from the PSTN (public-switched telephone network) and IN (Intelligent Network) requests. ICW is being addressed by this working group and was a work in progress at the time of this writing.
RFC 2995 (Pre-SPIRITS Implementations, November 2000) is dedicated to a discussion of Internet call waiting. See "Voice over IP (VoIP)" and refer to the SPIRITS Working Group Web page at http://www.ietf.org/html.charters/spirits-charter.html.
Copyright (c) 2001 Tom Sheldon and Big Sur Multimedia.