\begin{thebibliography}{10}

\bibitem{Pand9506:Emerging}
R.~Pandya, ``Emerging mobile and personal communication systems,'' {\em IEEE
  Communications Magazine}, vol.~33, pp.~44--52, June 1995.

\bibitem{rfc1889}
H.~Schulzrinne, S.~Casner, R.~Frederick, and V.~Jacobson,
  \htmladdnormallink{``{RTP:} a transport protocol for real-time
  applications,''}{http://www.rfc-editor.org/rfc/rfc1889.txt} RFC 1889,
  Internet Engineering Task Force, Jan. 1996.

\bibitem{rfc2326}
H.~Schulzrinne, A.~Rao, and R.~Lanphier, \htmladdnormallink{``Real time
  streaming protocol {(RTSP)},''}{http://www.rfc-editor.org/rfc/rfc2326.txt}
  RFC 2326, Internet Engineering Task Force, Apr. 1998.

\bibitem{rfc3015}
F.~Cuervo, N.~Greene, A.~Rayhan, C.~Huitema, B.~Rosen, and J.~Segers,
  \htmladdnormallink{``Megaco protocol version
  1.0,''}{http://www.rfc-editor.org/rfc/rfc3015.txt} RFC 3015, Internet
  Engineering Task Force, Nov. 2000.

\bibitem{rfc2543}
M.~Handley, H.~Schulzrinne, E.~Schooler, and J.~Rosenberg,
  \htmladdnormallink{``{SIP:} session initiation
  protocol,''}{http://www.rfc-editor.org/rfc/rfc2543.txt} RFC 2543, Internet
  Engineering Task Force, Mar. 1999.

\bibitem{rfc2368}
P.~Hoffman, L.~Masinter, and J.~Zawinski, \htmladdnormallink{``The mailto {URL}
  scheme,''}{http://www.rfc-editor.org/rfc/rfc2368.txt} RFC 2368, Internet
  Engineering Task Force, July 1998.

\bibitem{Scho9608:Multicast}
E.~M. Schooler, \htmladdnormallink{``A multicast user directory service for
  synchronous rendezvous,''}{ftp://ftp.cs.caltech.edu/tr/cs-tr-96-18.ps.Z}
  Master's Thesis CS-TR-96-18, Department of Computer Science, California
  Institute of Technology, Pasadena, California, Aug. 1996.

\bibitem{rfc2976}
S.~Donovan, \htmladdnormallink{``The {SIP} {INFO}
  method,''}{http://www.rfc-editor.org/rfc/rfc2976.txt} RFC 2976, Internet
  Engineering Task Force, Oct. 2000.

\bibitem{rfc1321}
R.~Rivest, \htmladdnormallink{``The {MD5} message-digest
  algorithm,''}{http://www.rfc-editor.org/rfc/rfc1321.txt} RFC 1321, Internet
  Engineering Task Force, Apr. 1992.

\bibitem{rfc2914}
S.~Floyd, \htmladdnormallink{``Congestion control
  principles,''}{http://www.rfc-editor.org/rfc/rfc2914.txt} RFC 2914, Internet
  Engineering Task Force, Sept. 2000.

\bibitem{rfc2426}
F.~Dawson and T.~Howes, \htmladdnormallink{``vcard {MIME} directory
  profile,''}{http://www.rfc-editor.org/rfc/rfc2426.txt} RFC 2426, Internet
  Engineering Task Force, Sept. 1998.

\bibitem{rfc2849}
G.~Good, \htmladdnormallink{``The {LDAP} data interchange format {(LDIF)} -
  technical specification,''}{http://www.rfc-editor.org/rfc/rfc2849.txt} RFC
  2849, Internet Engineering Task Force, June 2000.

\bibitem{rfc2076}
J.~Palme, \htmladdnormallink{``Common internet message
  headers,''}{http://www.rfc-editor.org/rfc/rfc2076.txt} RFC 2076, Internet
  Engineering Task Force, Feb. 1997.

\bibitem{rfc2069}
J.~Franks, P.~Hallam-Baker, J.~Hostetler, P.~Leach, A.~Luotonen, E.~Sink, and
  L.~Stewart, \htmladdnormallink{``An extension to {HTTP} : Digest access
  authentication,''}{http://www.rfc-editor.org/rfc/rfc2069.txt} RFC 2069,
  Internet Engineering Task Force, Jan. 1997.

\bibitem{draft-ietf-sip-call-flows}
A.~Johnston, S.~Donovan, R.~Sparks, C.~Cunningham, D.~Willis, J.~Rosenberg,
  K.~Summers, and H.~Schulzrinne, \htmladdnormallink{``{SIP} telephony call
  flow
  examples,''}{http://www.ietf.org/internet-drafts/draft-ietf-sip-call-flows-0%
4.txt} {Internet Draft}, Internet Engineering Task Force, Apr. 2001.
\newblock Work in progress.

\bibitem{Scho9306:Case}
E.~M. Schooler, \htmladdnormallink{``Case study: multimedia conference control
  in a packet-switched teleconferencing
  system,''}{ftp://ftp.isi.edu/pub/hpcc-papers/mmc/joi.ps} {\em Journal of
  Internetworking: Research and Experience}, vol.~4, pp.~99--120, June 1993.
\newblock ISI reprint series ISI/RS-93-359.

\bibitem{Schu9603:Personal}
H.~Schulzrinne, \htmladdnormallink{``Personal mobility for multimedia services
  in the
  {Internet},''}{http://www.cs.columbia.edu/~hgs/papers/Schu9603_Personal.ps.g%
z} in {\em European Workshop on Interactive Distributed Multimedia Systems and
  Services (IDMS)}, (Berlin, Germany), Mar. 1996.

\end{thebibliography}
