offans.dot

这是国外的resip协议栈

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//		ranksep=1.5 // modify to shrink nodes etc
//		nodesep=1.5
		fontsize=8
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		labelfontname="Helvetica"
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	edge
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// Now setup labels and visual stuff.

        fontname="Helvetica"

        None -> Offered
                [ label="SND Off\nSTO PL" ]
        None -> Offered
                [ label="RCV Off\nSTO PR" ]
        Offered -> Answered
                [ label="RCV ANS\nSTO CL,CR\nCLR PR" ]
        Offered -> Answered
                [ label="SND ANS\nSTO CL,CR\nCLR PR" ]
        Answered -> CounterOffer
                [ label="SND OFF\nSTO PL" ]
        Answered -> CounterOffer
                [ label="RCV OFF\nSTO PR" ]

        CounterOffer -> Answered
                [ label="RCV ANS\nSTO CL,CR\nCLR OK,PR\n\nSND ANS\nSTO CL,CR\nCLR PL,PR" ]

        CounterOffer -> Answered
                [ label="RCV FAIL\nCLR PL,PR\n\nSND FAIL\nCLR PL,PR" ]

}