RFC 3665's Basic Call Flow Examples Revisited

This series of documents illustrates the basic examples provided in RFC3665, as an aid to SIP implementers, designers, and protocol researchers. RFC3665 is an Internet BCP (Best Current Practices) released in December 2003 and co-authored by: Alan Johnston, Steve Donovan, Robert Sparks, Chris Cunningham and Kevin Summers. SIP messages are reported in strict conformance with this RFC.

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RFC3665-2.x -- SIP Registration


RFC 3665 -- Basic Call Flow Examples: 2.x - SIP Registration -- 27 April 2005, v1.1

RFC3665-3.1 -- Successful Session Establishment

  RFC 3665 -- Basic Call Flow Examples:
  3.1 - Successful Session Establishment
  -- 27 April 2005, v1.1

RFC3665-3.2 -- Session Establishment Through Two Proxies

RFC 3665 -- Basic Call Flow Examples: 3.2 - Session Establishment through Two Proxies
-- 27 April 2005, v1.1

RFC3665-3.3 -- Session with Multiple Proxy Authentication

RFC 3665 -- Basic Call Flow Examples: 3.3 - Session with Multiple Proxy Authentication
-- 27 April 2005, v1.1

RFC3665-3.4 -- Successful Session with Proxy Failure

RFC 3665 -- Basic Call Flow Examples: 3.4 - Successful Session with Proxy Failure
-- 27 April 2005, v1.1

RFC3665-3.5 -- Session through a SIP ALG

RFC 3665 -- Basic Call Flow Examples: 3.5 - Session through a SIP ALG (Application Layer Gateway)
-- 27 April 2005, v1.1

RFC3665-3.6 -- Session via Redirect and Proxy Servers with SDP in ACK

RFC 3665 -- Basic Call Flow Examples: 3.6 - Session via Redirect and Proxy Servers with SDP in ACK
-- 27 April 2005, v1.1

RFC3665-3.7 -- Session with re-INVITE

RFC 3665 -- Basic Call Flow Examples: 3.7 - Session with re-INVITE (IP Address Change)
-- 27 April 2005, v1.1

RFC3665-3.8 -- Unsuccessful No Answer

RFC 3665 -- Basic Call Flow Examples: 3.8 - Unsuccessful No Answer
-- 20 January 2006, v1.2

Note: in version 1.2, two errors reported by Bartosz Kowalczyk have been corrected, especially: 'bob@biloxi.example.com' replaces 'alice@atlanta.example.com' in the SIP-URI of the CANCEL from Proxy1 to Proxy2.