@startuml
!include skin.inc

autonumber "#'.'"

participant "Server" as srv 
participant "Application" as app 
participant "<i>Browser</i>" as bro #ffffff

note over bro, srv
 Application has received a VvoipSessionInvitationNotification but has not yet accepted it.
end note

note left of srv: Receive \ncancelation request
srv -> app: POST or NOTIFY VvoipEventNotification(Canceled)
app -->> bro: <i>peerConnection.Close()</i>

@enduml