Set call status as "Disconnected" if the call fails to establish or the remote party has terminated

Following results are show in testing: Idle: no ongoing calls Dialing: the process of collecting digits for the calling number in an outgoing call. Connected: a call is established Alerting: ringing when an incoming call is received Disconnected: the remote party has ended a call or the the call failed to establish. But the local party has not gone on-hook