References
[1] “Session Initiation Protocol for Telephones (SIP-T): Context and Architec-
tures” by A. Vemuri and J. Peterson. IETF RFC 3372, September 2002.
[2] “A framework for Telephony Routing Over IP” by J. Rosenberg, et al. IETF
RFC 2871, June 2000.
[3] “A Telephony Gateway REgistration Protocol (TGREP)” by M. Bangalore,
R. Kumar, H. Salama, J. Rosenberg, and D. Shah. Internet Draft, work in
progress, July 2005.
[4] “Session Initiation Protocol (SIP) Public Switched Telephone Network
(PSTN) Call Flows” by A. Johnston, et al. IETF RFC 3666, BCP 76, Decem-
ber 2003.
[5] “SIP to ISUP Mapping” by G. Camarillo, A. Roach, J. Peterson, and L. Ong.
IETF RFC 3398, December 2002.
[6] “MIME Media Types for ISUP and QSIG” by E. Zimmerer, et al. IETF RFC
3204, December 2001.
[7] “SIP Service Examples” by A. Johnston, et al. IETF Internet Draft, February
2006, work in progress.
[8] “The Session Initiation Protocol (SIP)” by R. Sparks. Refer Method, RFC
3515, April 2003.
[9] “SIP Call Control – Transfer” by R. Sparks, A. Johnston, and D. Petrie. IETF
Internet Draft, work in progress, February 2006.
[10] “Implementing Intelligent Network Services with the Session Initiation
Protocol” by J. Lennox, H. Schulzrinne, and T. La Porta. Columbia Univer-
sity Computer Science Technical Report CUCS-002-99, January 1999.
[11] “Best Current Practices for Third Party Call Control (3pcc) in the Session
Initiation Protocol (SIP)” by J. Rosenberg, J. Peterson, H. Schulzrinne, and
G. Camarillo. RFC 3725, April 2004.
[12] “A Call Control and Multi-Party Usage Framework for the Session Initia-
tion Protocol (SIP)” by R. Mahy, et al. Work in progress, February 2005.
[13] “Remote Call Control in SIP using the REFER Method and the Session-
Oriented Dialog Package” by R. Mahy and C. Jennings. IETF Internet Draft,
October 2005, work in progress.
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