sverweij/mscgen_js

src/samples/simple03_sip_(from_wikipedia).msgenny

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# SIP protocol (source: wikipedia)

UAS, UAC;

UAS -> UAC : INVITE;
UAS <- UAC : 100 Trying;
UAS <- UAC : 180 Ringing;

--- : the client plays ringing;
UAS <- UAC : 200 Ok;
UAS -> UAC : ACK;
...;

--- : the client hangs up;
UAS <- UAC : BYE;
UAS <- UAC : 200 Ok;