@startuml
skinparam BackgroundColor F0F0F0

participant "Incoming call URC" as urc
participant "Call request" as call
participant "Messages DB" as message
participant "Service cellular" as cellular
participant "Service cellular notification " as notification

== Connected mode ==

    activate urc
    activate cellular
    urc -> cellular : Ring urc / Clip urc
    cellular -> cellular : identifyNotification
    cellular -> cellular : CellularRingNotification | CellularCallerIdNotification
    cellular -> notification :CellularCallerIdMessage | CellularIncominCallMessage

    urc -> cellular : Cmti urc
    cellular -> cellular : identifyNotification
    cellular -> cellular : receiveSms
    cellular -> message : add record
    deactivate urc

    activate message
    message -> cellular : new queeued
    cellular -> cellular : CellularSendSMSMessage
    cellular -> message : update record
    deactivate message

    activate call
    call -> cellular : CellularCallRequestMessage
    cellular -> cellular : handleCellularCallRequestMessage
    cellular -> notification : CellularRingingMessage
    deactivate call


== Do not Disturb mode ==

    activate urc

    urc -> cellular : Ring urc / Clip urc
    cellular -> cellular : identifyNotification
    cellular -> cellular : CellularRingNotification | CellularCallerIdNotification
    cellular -> cellular : hangUpCall

    urc -> cellular : Cmti urc
    cellular -> cellular : identifyNotification
    cellular -> cellular : receiveSms
    cellular -> message : add record
    deactivate urc

    activate message
    message -> cellular : new queeued
    cellular -> cellular : CellularSendSMSMessage
    cellular -> message : update record
    deactivate message

    activate call
    call -> cellular : CellularCallRequestMessage
    cellular -> cellular : handleCellularCallRequestMessage
    cellular -> notification : CellularRingingMessage
    deactivate call
    deactivate cellular

@enduml