Nortel Networks NN43001-121 manual Message sequence

238Appendix A Call Flow and protocol details

Message sequence

TR/87(4) is an ECMA Technical Report that describes the use of SIP as a transport of service requests and events defined by the ECMA-269(5) specification as XML bodies within SIP messages. The ECMA-323(6) specification defines the XML format of ECMA-269 services and events.

The Front End (FE) application conforms to the minimum subset of the TR/87 specification defined for Office Communications Server 2007 interworking and those components necessary to support the next generation SIP Contact Center requirements.

Figure 92 "Message sequence diagram - CSTA Session Establishment and Monitor Start" (page 238) shows the expected message flow for establishing and monitoring a CSTA session as defined by TR/87.

Figure 92

Message sequence diagram - CSTA Session Establishment and Monitor Start

Figure 93 "SIP INFO message with ECMA-323 content" (page 239) is an example of a SIP INFO message with ECMA-323 content.

Nortel Communication Server 1000

Nortel Converged Office Fundamentals — Microsoft Office Communications Server 2007

NN43001-121 01.03 Standard

Release 5.0 30 April 2008

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