AZQ VOICE-CALL STATE AND EVENT DETERMINATION

• New Chipset CALL_EVENT_ORIG (voice) while call_idle

[Event] “Call Initiation”

1.1 L3 CC Alerting

• • • [Event] “Call Setup [duration]” (call setup success)

    • Go to state 2

1.2 Chipset CALL_EVENT_CONNECT (normally comes at L3 CC Connect Acknowledge and this sometimes come before/without L3 CC Alerting if the other side picks-up very quickly like some IVRs)

• • • [Event] “Call Established”

    • Go to state 2

1.3 Chipset CALL_EVENT_END

• • • Determine call end cause in (3) (“Call End: User Ended” or Call Block)

    • END

1.4 Call setup timed-out

• • • Hangup call

    • [Event] Call Setup timed-out

    • END

2.1 Chipset CALL_EVENT_CONNECT (normally comes at L3 CC Connect Acknowledge)

• [Event] “Call Established”

2.2 Chipset CALL_EVENT_END

• • Determine call end cause in (3) (“Call End: User Ended” or Call Drop)

  • END

2.3 Call duration completed successfully

• Hangup call

• [Event] “Call End”

3.1 If chipset event tells that this was commanded by the local user - then [Event] “Call End: User ended” call