user datagram protocol / telephony services / stand-alone Internet protocol / Internet telephony signaling / media content / user agent server / phone services / Internet telephony / real-time media / border gateway protocol / software tools / telephony / hop server / dynamic routing protocols / telephone network / protocol server / session initiation protocol / telephony application programming interface / media types / multipurpose Internet / plain old telephone service / Internet protocol IPtel / services digital network / term Internet telephony / text processing languages / telephony phone address / Web link / resource reservation protocol / media sessions / media description formats / Internet Protocol Telephony / switched telephone network / voice mail server / prospective communications / virtual private network / Internet datagram architecture / textual client-server protocol / real-time streaming protocol / initiation protocol / sender session Internet reservations / Internet users / telephony voice mail server / Internet service / media server / computer telephony integration / Internet protocol telephony ISDN / client-server protocol / directory services / with existing protocols / call services / media information / Web content / multipurpose Internet mail extension MTA / telephony signaling protocol / telephony function / Internet backbone / transmission control protocol / Web browsers / columbia.edu server / mail transfer protocol / media capabilities / multicast / Internet Henning G. Schulzrinne / client-to-client services / real-time transport protocol / phone network / textual protocol / Web servers / network services / lightweight directory access protocol / mobility services / mbone session directory tool / telephony conference / proxy server / access server / interactive communications / registration server / hypertext transport protocol / text processing language / personal mobility services / Internet Assigned Numbers Authority IETF / public switched telephone network / Web services / /
Organization
Columbia University / Internet Engineering Task Force / United Nations / /
Person
Bob / John Smith / Arun Netravali / / /
Position
administrator / assistant professor / /
ProgrammingLanguage
Java / XML / HTML / Perl / /
PublishedMedium
Bell Labs Technical Journal / /
Technology
Signaling protocols / 1.18 Protocol / client-server protocol / IP telephony / XML / real-time transport protocol / lightweight directory access protocol / HTTP 1.1 / Extensible Markup Language / Two protocols / hypertext transport protocol / Quality of Service / HTML / packet-switched / CGI / stand-alone Internet protocol / PSTN / Java / uniform resource identifier / resource reservation protocol / ISP / session initiation protocol / PBX / SMIL / real-time streaming protocol / dynamic routing protocols / Two signaling protocols / HyperText Markup Language / IP telephony signaling protocol / textual client-server protocol / peer-to-peer / IP / VPN / border gateway protocol / Perl / UDP / computer telephony integration / circuit-switched / ISDN / user datagram protocol / DNS / Internet protocol / proxy server / HTTP / mail transfer protocol / transmission control protocol / H.323 / intelligent network / textual protocol / /
♦ The Session Initiation Protocol: Providing Advanced Telephony Services Across the Internet Henning G. Schulzrinne and Jonathan D. Rosenberg During the past few years, Internet telephony has evolved from a toy for the