6.5.2 PSTNCallControl::CCNull State

The application waits for an offered event. If it receives GCEV_OFFERED, the application calls answerCall( ) and the call state transitions to CCAnsweringCall. If it receives CCEV_OFFERED, the application calls makeCall( ) and the call state transitions to CCMakingCall.

The application can also receive a GCEV_DETECTED event. In this case, the call state transitions to CCDetected.

If the application receives a CCEV_DROPCALL, it calls dropCall( ) and the call state transitions to CCDropping.

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